ChangeSet 1.1737, 2004/05/17 15:58:40-07:00, [EMAIL PROTECTED]

USB: fix up formatting issues with aiptek driver


 drivers/usb/input/aiptek.c |  757 +++++++++++++++++----------------------------
 1 files changed, 292 insertions(+), 465 deletions(-)


diff -Nru a/drivers/usb/input/aiptek.c b/drivers/usb/input/aiptek.c
--- a/drivers/usb/input/aiptek.c        Mon May 17 16:36:57 2004
+++ b/drivers/usb/input/aiptek.c        Mon May 17 16:36:57 2004
@@ -185,39 +185,39 @@
  * (Step 9 can be omitted, but you'll then have no function keys.)
  */
 
-#define USB_VENDOR_ID_AIPTEK                            0x08ca
-#define USB_REQ_GET_REPORT                              0x01
-#define USB_REQ_SET_REPORT                              0x09
+#define USB_VENDOR_ID_AIPTEK                           0x08ca
+#define USB_REQ_GET_REPORT                             0x01
+#define USB_REQ_SET_REPORT                             0x09
 
        /* PointerMode codes
         */
-#define AIPTEK_POINTER_ONLY_MOUSE_MODE                  0
-#define AIPTEK_POINTER_ONLY_STYLUS_MODE                 1
-#define AIPTEK_POINTER_EITHER_MODE                      2
-
-#define AIPTEK_POINTER_ALLOW_MOUSE_MODE(a) \
-        (a == AIPTEK_POINTER_ONLY_MOUSE_MODE || \
-         a == AIPTEK_POINTER_EITHER_MODE)
-#define AIPTEK_POINTER_ALLOW_STYLUS_MODE(a) \
-        (a == AIPTEK_POINTER_ONLY_STYLUS_MODE || \
-         a == AIPTEK_POINTER_EITHER_MODE)
+#define AIPTEK_POINTER_ONLY_MOUSE_MODE                 0
+#define AIPTEK_POINTER_ONLY_STYLUS_MODE                        1
+#define AIPTEK_POINTER_EITHER_MODE                     2
+
+#define AIPTEK_POINTER_ALLOW_MOUSE_MODE(a)             \
+       (a == AIPTEK_POINTER_ONLY_MOUSE_MODE ||         \
+        a == AIPTEK_POINTER_EITHER_MODE)
+#define AIPTEK_POINTER_ALLOW_STYLUS_MODE(a)            \
+       (a == AIPTEK_POINTER_ONLY_STYLUS_MODE ||        \
+        a == AIPTEK_POINTER_EITHER_MODE)
 
        /* CoordinateMode code
         */
-#define AIPTEK_COORDINATE_RELATIVE_MODE                 0
-#define AIPTEK_COORDINATE_ABSOLUTE_MODE                 1
+#define AIPTEK_COORDINATE_RELATIVE_MODE                        0
+#define AIPTEK_COORDINATE_ABSOLUTE_MODE                        1
 
        /* XTilt and YTilt values
         */
-#define AIPTEK_TILT_MIN                                 (-128)
-#define AIPTEK_TILT_MAX                                 127
-#define AIPTEK_TILT_DISABLE                             (-10101)
+#define AIPTEK_TILT_MIN                                        (-128)
+#define AIPTEK_TILT_MAX                                        127
+#define AIPTEK_TILT_DISABLE                            (-10101)
 
        /* Wheel values
         */
-#define AIPTEK_WHEEL_MIN                                0
-#define AIPTEK_WHEEL_MAX                                1024
-#define AIPTEK_WHEEL_DISABLE                            (-10101)
+#define AIPTEK_WHEEL_MIN                               0
+#define AIPTEK_WHEEL_MAX                               1024
+#define AIPTEK_WHEEL_DISABLE                           (-10101)
 
        /* ToolCode values, which BTW are 0x140 .. 0x14f
         * We have things set up such that if TOOL_BUTTON_FIRED_BIT is
@@ -226,113 +226,113 @@
         * Whenever the user resets the value, TOOL_BUTTON_FIRED_BIT will
         * get reset.
         */
-#define TOOL_BUTTON(x)                                  ((x) & 0x14f)
-#define TOOL_BUTTON_FIRED(x)                            ((x) & 0x200)
-#define TOOL_BUTTON_FIRED_BIT                           0x200
+#define TOOL_BUTTON(x)                                 ((x) & 0x14f)
+#define TOOL_BUTTON_FIRED(x)                           ((x) & 0x200)
+#define TOOL_BUTTON_FIRED_BIT                          0x200
        /* toolMode codes
         */
-#define AIPTEK_TOOL_BUTTON_PEN_MODE                     BTN_TOOL_PEN
-#define AIPTEK_TOOL_BUTTON_PEN_MODE                     BTN_TOOL_PEN
-#define AIPTEK_TOOL_BUTTON_PENCIL_MODE                  BTN_TOOL_PENCIL
-#define AIPTEK_TOOL_BUTTON_BRUSH_MODE                   BTN_TOOL_BRUSH
-#define AIPTEK_TOOL_BUTTON_AIRBRUSH_MODE                BTN_TOOL_AIRBRUSH
-#define AIPTEK_TOOL_BUTTON_ERASER_MODE                  BTN_TOOL_RUBBER
-#define AIPTEK_TOOL_BUTTON_MOUSE_MODE                   BTN_TOOL_MOUSE
-#define AIPTEK_TOOL_BUTTON_LENS_MODE                    BTN_TOOL_LENS
+#define AIPTEK_TOOL_BUTTON_PEN_MODE                    BTN_TOOL_PEN
+#define AIPTEK_TOOL_BUTTON_PEN_MODE                    BTN_TOOL_PEN
+#define AIPTEK_TOOL_BUTTON_PENCIL_MODE                 BTN_TOOL_PENCIL
+#define AIPTEK_TOOL_BUTTON_BRUSH_MODE                  BTN_TOOL_BRUSH
+#define AIPTEK_TOOL_BUTTON_AIRBRUSH_MODE               BTN_TOOL_AIRBRUSH
+#define AIPTEK_TOOL_BUTTON_ERASER_MODE                 BTN_TOOL_RUBBER
+#define AIPTEK_TOOL_BUTTON_MOUSE_MODE                  BTN_TOOL_MOUSE
+#define AIPTEK_TOOL_BUTTON_LENS_MODE                   BTN_TOOL_LENS
 
        /* Diagnostic message codes
         */
-#define AIPTEK_DIAGNOSTIC_NA                            0
-#define AIPTEK_DIAGNOSTIC_SENDING_RELATIVE_IN_ABSOLUTE  1
-#define AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE  2
-#define AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED               3
+#define AIPTEK_DIAGNOSTIC_NA                           0
+#define AIPTEK_DIAGNOSTIC_SENDING_RELATIVE_IN_ABSOLUTE 1
+#define AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE 2
+#define AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED              3
 
        /* Time to wait (in ms) to help mask hand jittering 
         * when pressing the stylus buttons.
         */
-#define AIPTEK_JITTER_DELAY_DEFAULT                     50
+#define AIPTEK_JITTER_DELAY_DEFAULT                    50
 
        /* Time to wait (in ms) in-between sending the tablet
         * a command and beginning the process of reading the return
         * sequence from the tablet.
         */
-#define AIPTEK_PROGRAMMABLE_DELAY_25        25
-#define AIPTEK_PROGRAMMABLE_DELAY_50        50
-#define AIPTEK_PROGRAMMABLE_DELAY_100      100
-#define AIPTEK_PROGRAMMABLE_DELAY_200      200
-#define AIPTEK_PROGRAMMABLE_DELAY_300      300
-#define AIPTEK_PROGRAMMABLE_DELAY_400      400
-#define AIPTEK_PROGRAMMABLE_DELAY_DEFAULT  AIPTEK_PROGRAMMABLE_DELAY_400
+#define AIPTEK_PROGRAMMABLE_DELAY_25           25
+#define AIPTEK_PROGRAMMABLE_DELAY_50           50
+#define AIPTEK_PROGRAMMABLE_DELAY_100          100
+#define AIPTEK_PROGRAMMABLE_DELAY_200          200
+#define AIPTEK_PROGRAMMABLE_DELAY_300          300
+#define AIPTEK_PROGRAMMABLE_DELAY_400          400
+#define AIPTEK_PROGRAMMABLE_DELAY_DEFAULT      AIPTEK_PROGRAMMABLE_DELAY_400
 
        /* Mouse button programming
         */
-#define AIPTEK_MOUSE_LEFT_BUTTON                        0x01
-#define AIPTEK_MOUSE_RIGHT_BUTTON                       0x02
-#define AIPTEK_MOUSE_MIDDLE_BUTTON                      0x04
+#define AIPTEK_MOUSE_LEFT_BUTTON               0x01
+#define AIPTEK_MOUSE_RIGHT_BUTTON              0x02
+#define AIPTEK_MOUSE_MIDDLE_BUTTON             0x04
 
        /* Stylus button programming
         */
-#define AIPTEK_STYLUS_LOWER_BUTTON                      0x08
-#define AIPTEK_STYLUS_UPPER_BUTTON                      0x10
+#define AIPTEK_STYLUS_LOWER_BUTTON             0x08
+#define AIPTEK_STYLUS_UPPER_BUTTON             0x10
 
        /* Length of incoming packet from the tablet
         */
-#define AIPTEK_PACKET_LENGTH                            8
+#define AIPTEK_PACKET_LENGTH                   8
 
        /* We report in EV_MISC both the proximity and
         * whether the report came from the stylus, tablet mouse
         * or "unknown" -- Unknown when the tablet is in relative
         * mode, because we only get report 1's.
         */
-#define AIPTEK_REPORT_TOOL_UNKNOWN                      0x10
-#define AIPTEK_REPORT_TOOL_STYLUS                       0x20
-#define AIPTEK_REPORT_TOOL_MOUSE                        0x40
+#define AIPTEK_REPORT_TOOL_UNKNOWN             0x10
+#define AIPTEK_REPORT_TOOL_STYLUS              0x20
+#define AIPTEK_REPORT_TOOL_MOUSE               0x40
 
 static int programmableDelay = AIPTEK_PROGRAMMABLE_DELAY_DEFAULT;
 static int jitterDelay = AIPTEK_JITTER_DELAY_DEFAULT;
 
 struct aiptek_features {
-       int odmCode;                                            /* Tablet manufacturer 
code       */
-       int modelCode;                                          /* Tablet model code 
(not unique) */
-       int firmwareCode;                                       /* prom/eeprom version 
           */
-       char usbPath[64 + 1];                           /* device's physical usb path  
   */
-       char inputPath[64 + 1];                         /* input device path           
   */
-       char manuName[64 + 1];                          /* manufacturer name           
   */
-       char prodName[64 + 1];                          /* product name                
   */
+       int odmCode;            /* Tablet manufacturer code       */
+       int modelCode;          /* Tablet model code (not unique) */
+       int firmwareCode;       /* prom/eeprom version            */
+       char usbPath[64 + 1];   /* device's physical usb path     */
+       char inputPath[64 + 1]; /* input device path              */
+       char manuName[64 + 1];  /* manufacturer name              */
+       char prodName[64 + 1];  /* product name                   */
 };
 
 struct aiptek_settings {
-       int pointerMode;                                        /* stylus-, mouse-only 
or either */
-       int coordinateMode;                                     /* absolute/relative 
coords      */
-       int toolMode;                                           /* pen, pencil, brush, 
etc. tool */
-       int xTilt;                                                      /* synthetic 
xTilt amount        */
-       int yTilt;                                                      /* synthetic 
yTilt amount        */
-       int wheel;                                                      /* synthetic 
wheel amount        */
-       int stylusButtonUpper;                          /* stylus upper btn 
delivers...  */
-       int stylusButtonLower;                          /* stylus lower btn 
delivers...  */
-       int mouseButtonLeft;                            /* mouse left btn delivers...  
  */
-       int mouseButtonMiddle;                          /* mouse middle btn 
delivers...  */
-       int mouseButtonRight;                           /* mouse right btn delivers... 
  */
-       int programmableDelay;                          /* delay for tablet 
programming  */
-       int jitterDelay;                                        /* delay for hand 
jittering      */
+       int pointerMode;        /* stylus-, mouse-only or either */
+       int coordinateMode;     /* absolute/relative coords      */
+       int toolMode;           /* pen, pencil, brush, etc. tool */
+       int xTilt;              /* synthetic xTilt amount        */
+       int yTilt;              /* synthetic yTilt amount        */
+       int wheel;              /* synthetic wheel amount        */
+       int stylusButtonUpper;  /* stylus upper btn delivers...  */
+       int stylusButtonLower;  /* stylus lower btn delivers...  */
+       int mouseButtonLeft;    /* mouse left btn delivers...    */
+       int mouseButtonMiddle;  /* mouse middle btn delivers...  */
+       int mouseButtonRight;   /* mouse right btn delivers...   */
+       int programmableDelay;  /* delay for tablet programming  */
+       int jitterDelay;        /* delay for hand jittering      */
 };
 
 struct aiptek {
-       struct input_dev inputdev;                      /* input device struct         
  */
-       struct usb_device *usbdev;                      /* usb device struct           
  */
-       struct urb *urb;                                        /* urb for incoming 
reports      */
-       dma_addr_t data_dma;                            /* our dma stuffage            
  */
+       struct input_dev inputdev;              /* input device struct           */
+       struct usb_device *usbdev;              /* usb device struct             */
+       struct urb *urb;                        /* urb for incoming reports      */
+       dma_addr_t data_dma;                    /* our dma stuffage              */
        struct aiptek_features features;        /* tablet's array of features    */
        struct aiptek_settings curSetting;      /* tablet's current programmable */
        struct aiptek_settings newSetting;      /* ... and new param settings    */
-       unsigned int ifnum;                                     /* interface number 
for IO       */
-       int openCount;                                          /* module use counter  
          */
-       int diagnostic;                                         /* tablet diagnostic 
codes       */
-       unsigned long eventCount;                       /* event count                 
  */
-       int inDelay;                                            /* jitter: in jitter 
delay?      */
-       unsigned long endDelay;                         /* jitter: time when delay 
ends  */
-       int previousJitterable;                         /* jitterable prev value     */
-       unsigned char *data;                            /* incoming packet data        
  */
+       unsigned int ifnum;                     /* interface number for IO       */
+       int openCount;                          /* module use counter            */
+       int diagnostic;                         /* tablet diagnostic codes       */
+       unsigned long eventCount;               /* event count                   */
+       int inDelay;                            /* jitter: in jitter delay?      */
+       unsigned long endDelay;                 /* jitter: time when delay ends  */
+       int previousJitterable;                 /* jitterable prev value     */
+       unsigned char *data;                    /* incoming packet data          */
 };
 
 /*
@@ -410,27 +410,21 @@
 
        switch (urb->status) {
        case 0:
-               {
-                       /* Success */
-               }
+               /* Success */
                break;
 
        case -ECONNRESET:
        case -ENOENT:
        case -ESHUTDOWN:
-               {
-                       /* This urb is terminated, clean up */
-                       dbg("%s - urb shutting down with status: %d",
-                           __FUNCTION__, urb->status);
-                       return;
-               }
+               /* This urb is terminated, clean up */
+               dbg("%s - urb shutting down with status: %d",
+                   __FUNCTION__, urb->status);
+               return;
 
        default:
-               {
-                       dbg("%s - nonzero urb status received: %d",
-                           __FUNCTION__, urb->status);
-                       goto exit;
-               }
+               dbg("%s - nonzero urb status received: %d",
+                   __FUNCTION__, urb->status);
+               goto exit;
        }
 
        /* See if we are in a delay loop -- throw out report if true.
@@ -466,20 +460,16 @@
                         */
                        jitterable = data[5] & 0x07;
 
-                       left = (data[5] & aiptek->curSetting.
-                 mouseButtonLeft) != 0 ? 1 : 0;
-                       right = (data[5] & aiptek->curSetting.
-                            mouseButtonRight) != 0 ? 1 : 0;
-                       middle = (data[5] & aiptek->curSetting.
-                            mouseButtonMiddle) != 0 ? 1 : 0;
+                       left = (data[5] & aiptek->curSetting.mouseButtonLeft) != 0 ? 1 
: 0;
+                       right = (data[5] & aiptek->curSetting.mouseButtonRight) != 0 ? 
1 : 0;
+                       middle = (data[5] & aiptek->curSetting.mouseButtonMiddle) != 0 
? 1 : 0;
 
                        input_report_key(inputdev, BTN_LEFT, left);
                        input_report_key(inputdev, BTN_MIDDLE, middle);
                        input_report_key(inputdev, BTN_RIGHT, right);
                        input_report_rel(inputdev, REL_X, x);
                        input_report_rel(inputdev, REL_Y, y);
-                       input_report_rel(inputdev, REL_MISC,
-                                        1 | AIPTEK_REPORT_TOOL_UNKNOWN);
+                       input_report_rel(inputdev, REL_MISC, 1 | 
AIPTEK_REPORT_TOOL_UNKNOWN);
 
                        /* Wheel support is in the form of a single-event
                         * firing.
@@ -496,14 +486,11 @@
         * absolute coordinates.
         */
        else if (data[0] == 2) {
-               if (aiptek->curSetting.coordinateMode ==
-                   AIPTEK_COORDINATE_RELATIVE_MODE) {
-                       aiptek->diagnostic =
-                           AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE;
-               } else
-                   if (!AIPTEK_POINTER_ALLOW_STYLUS_MODE
-                       (aiptek->curSetting.pointerMode)) {
-                       aiptek->diagnostic = AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED;
+               if (aiptek->curSetting.coordinateMode == 
AIPTEK_COORDINATE_RELATIVE_MODE) {
+                       aiptek->diagnostic = 
AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE;
+               } else if (!AIPTEK_POINTER_ALLOW_STYLUS_MODE
+                           (aiptek->curSetting.pointerMode)) {
+                               aiptek->diagnostic = AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED;
                } else {
                        input_regs(inputdev, regs);
 
@@ -519,10 +506,8 @@
                         */
                        jitterable = data[5] & 0x18;
 
-                       bs = (data[5] & aiptek->curSetting.
-                             stylusButtonLower) != 0 ? 1 : 0;
-                       pck = (data[5] & aiptek->curSetting.
-                            stylusButtonUpper) != 0 ? 1 : 0;
+                       bs = (data[5] & aiptek->curSetting.stylusButtonLower) != 0 ? 1 
: 0;
+                       pck = (data[5] & aiptek->curSetting.stylusButtonUpper) != 0 ? 
1 : 0;
 
                        /* dv indicates 'data valid' (e.g., the tablet is in sync
                         * and has delivered a "correct" report) We will ignore
@@ -536,42 +521,30 @@
                                if (TOOL_BUTTON_FIRED
                                    (aiptek->curSetting.toolMode) == 0) {
                                        input_report_key(inputdev,
-                                                        TOOL_BUTTON(aiptek->
-                                                                    curSetting.
-                                                                    toolMode),
+                                                        
TOOL_BUTTON(aiptek->curSetting.toolMode),
                                                         1);
-                                       aiptek->curSetting.toolMode |=
-                                           TOOL_BUTTON_FIRED_BIT;
+                                       aiptek->curSetting.toolMode |= 
TOOL_BUTTON_FIRED_BIT;
                                }
 
                                if (p != 0) {
                                        input_report_abs(inputdev, ABS_X, x);
                                        input_report_abs(inputdev, ABS_Y, y);
-                                       input_report_abs(inputdev, ABS_PRESSURE,
-                                                        z);
+                                       input_report_abs(inputdev, ABS_PRESSURE, z);
 
-                                       input_report_key(inputdev, BTN_TOUCH,
-                                                        tip);
-                                       input_report_key(inputdev, BTN_STYLUS,
-                                                        bs);
-                                       input_report_key(inputdev, BTN_STYLUS2,
-                                                        pck);
+                                       input_report_key(inputdev, BTN_TOUCH, tip);
+                                       input_report_key(inputdev, BTN_STYLUS, bs);
+                                       input_report_key(inputdev, BTN_STYLUS2, pck);
 
                                        if (aiptek->curSetting.xTilt !=
                                            AIPTEK_TILT_DISABLE) {
                                                input_report_abs(inputdev,
                                                                 ABS_TILT_X,
-                                                                aiptek->
-                                                                curSetting.
-                                                                xTilt);
+                                                                
aiptek->curSetting.xTilt);
                                        }
-                                       if (aiptek->curSetting.yTilt !=
-                                           AIPTEK_TILT_DISABLE) {
+                                       if (aiptek->curSetting.yTilt != 
AIPTEK_TILT_DISABLE) {
                                                input_report_abs(inputdev,
                                                                 ABS_TILT_Y,
-                                                                aiptek->
-                                                                curSetting.
-                                                                yTilt);
+                                                                
aiptek->curSetting.yTilt);
                                        }
 
                                        /* Wheel support is in the form of a 
single-event
@@ -581,15 +554,11 @@
                                            AIPTEK_WHEEL_DISABLE) {
                                                input_report_abs(inputdev,
                                                                 ABS_WHEEL,
-                                                                aiptek->
-                                                                curSetting.
-                                                                wheel);
-                                               aiptek->curSetting.wheel =
-                                                   AIPTEK_WHEEL_DISABLE;
+                                                                
aiptek->curSetting.wheel);
+                                               aiptek->curSetting.wheel = 
AIPTEK_WHEEL_DISABLE;
                                        }
                                }
-                               input_report_abs(inputdev, ABS_MISC,
-                                                p | AIPTEK_REPORT_TOOL_STYLUS);
+                               input_report_abs(inputdev, ABS_MISC, p | 
AIPTEK_REPORT_TOOL_STYLUS);
                                input_sync(inputdev);
                        }
                }
@@ -597,12 +566,9 @@
        /* Report 3's come from the mouse in absolute mode.
         */
        else if (data[0] == 3) {
-               if (aiptek->curSetting.coordinateMode ==
-                   AIPTEK_COORDINATE_RELATIVE_MODE) {
-                       aiptek->diagnostic =
-                           AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE;
-               } else
-                   if (!AIPTEK_POINTER_ALLOW_MOUSE_MODE
+               if (aiptek->curSetting.coordinateMode == 
AIPTEK_COORDINATE_RELATIVE_MODE) {
+                       aiptek->diagnostic = 
AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE;
+               } else if (!AIPTEK_POINTER_ALLOW_MOUSE_MODE
                        (aiptek->curSetting.pointerMode)) {
                        aiptek->diagnostic = AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED;
                } else {
@@ -614,12 +580,9 @@
 
                        p = (data[5] & 0x01) != 0 ? 1 : 0;
                        dv = (data[5] & 0x02) != 0 ? 1 : 0;
-                       left = (data[5] & aiptek->curSetting.
-                    mouseButtonLeft) != 0 ? 1 : 0;
-                       right = (data[5] & aiptek->curSetting.
-                            mouseButtonRight) != 0 ? 1 : 0;
-                       middle = (data[5] & aiptek->curSetting.
-                            mouseButtonMiddle) != 0 ? 1 : 0;
+                       left = (data[5] & aiptek->curSetting.mouseButtonLeft) != 0 ? 1 
: 0;
+                       right = (data[5] & aiptek->curSetting.mouseButtonRight) != 0 ? 
1 : 0;
+                       middle = (data[5] & aiptek->curSetting.mouseButtonMiddle) != 0 
? 1 : 0;
 
                        if (dv != 0) {
                                /* If we've not already sent a tool_button_?? code, do
@@ -629,41 +592,30 @@
                                if (TOOL_BUTTON_FIRED
                                    (aiptek->curSetting.toolMode) == 0) {
                                        input_report_key(inputdev,
-                                                        TOOL_BUTTON(aiptek->
-                                                                    curSetting.
-                                                                    toolMode),
+                                                        
TOOL_BUTTON(aiptek->curSetting.toolMode),
                                                         1);
-                                       aiptek->curSetting.toolMode |=
-                                           TOOL_BUTTON_FIRED_BIT;
+                                       aiptek->curSetting.toolMode |= 
TOOL_BUTTON_FIRED_BIT;
                                }
 
                                if (p != 0) {
                                        input_report_abs(inputdev, ABS_X, x);
                                        input_report_abs(inputdev, ABS_Y, y);
 
-                                       input_report_key(inputdev, BTN_LEFT,
-                                                        left);
-                                       input_report_key(inputdev, BTN_MIDDLE,
-                                                        middle);
-                                       input_report_key(inputdev, BTN_RIGHT,
-                                                        right);
+                                       input_report_key(inputdev, BTN_LEFT, left);
+                                       input_report_key(inputdev, BTN_MIDDLE, middle);
+                                       input_report_key(inputdev, BTN_RIGHT, right);
 
                                        /* Wheel support is in the form of a 
single-event
                                         * firing.
                                         */
-                                       if (aiptek->curSetting.wheel !=
-                                           AIPTEK_WHEEL_DISABLE) {
+                                       if (aiptek->curSetting.wheel != 
AIPTEK_WHEEL_DISABLE) {
                                                input_report_abs(inputdev,
                                                                 ABS_WHEEL,
-                                                                aiptek->
-                                                                curSetting.
-                                                                wheel);
-                                               aiptek->curSetting.wheel =
-                                                   AIPTEK_WHEEL_DISABLE;
+                                                                
aiptek->curSetting.wheel);
+                                               aiptek->curSetting.wheel = 
AIPTEK_WHEEL_DISABLE;
                                        }
                                }
-                               input_report_rel(inputdev, REL_MISC,
-                                                p | AIPTEK_REPORT_TOOL_MOUSE);
+                               input_report_rel(inputdev, REL_MISC, p | 
AIPTEK_REPORT_TOOL_MOUSE);
                                input_sync(inputdev);
                        }
                }
@@ -676,10 +628,8 @@
                p = (data[1] & 0x01) != 0 ? 1 : 0;
                dv = (data[1] & 0x02) != 0 ? 1 : 0;
                tip = (data[1] & 0x04) != 0 ? 1 : 0;
-               bs = (data[1] & aiptek->curSetting.stylusButtonLower) !=
-                   0 ? 1 : 0;
-               pck = (data[1] & aiptek->curSetting.stylusButtonUpper) !=
-                   0 ? 1 : 0;
+               bs = (data[1] & aiptek->curSetting.stylusButtonLower) != 0 ? 1 : 0;
+               pck = (data[1] & aiptek->curSetting.stylusButtonUpper) != 0 ? 1 : 0;
 
                macro = data[3];
                z = le16_to_cpu(get_unaligned((__u16 *) (data + 4)));
@@ -693,10 +643,9 @@
                         */
                        if (TOOL_BUTTON_FIRED(aiptek->curSetting.toolMode) == 0) {
                                input_report_key(inputdev,
-                                                TOOL_BUTTON(aiptek->curSetting.
-                                                            toolMode), 1);
-                               aiptek->curSetting.toolMode |=
-                                   TOOL_BUTTON_FIRED_BIT;
+                                                
TOOL_BUTTON(aiptek->curSetting.toolMode),
+                                                1);
+                               aiptek->curSetting.toolMode |= TOOL_BUTTON_FIRED_BIT;
                        }
 
                        if (p != 0) {
@@ -730,12 +679,9 @@
 
                p = (data[1] & 0x01) != 0 ? 1 : 0;
                dv = (data[1] & 0x02) != 0 ? 1 : 0;
-               left = (data[1]& aiptek->curSetting.mouseButtonLeft)
-                   != 0 ? 1 : 0;
-               right = (data[1] & aiptek->curSetting.mouseButtonRight)
-                   != 0 ? 1 : 0;
-               middle = (data[1] & aiptek->curSetting.mouseButtonMiddle)
-                   != 0 ? 1 : 0;
+               left = (data[1]& aiptek->curSetting.mouseButtonLeft) != 0 ? 1 : 0;
+               right = (data[1] & aiptek->curSetting.mouseButtonRight) != 0 ? 1 : 0;
+               middle = (data[1] & aiptek->curSetting.mouseButtonMiddle) != 0 ? 1 : 0;
                macro = data[3];
 
                if (dv != 0) {
@@ -747,10 +693,9 @@
                         */
                        if (TOOL_BUTTON_FIRED(aiptek->curSetting.toolMode) == 0) {
                                input_report_key(inputdev,
-                                                TOOL_BUTTON(aiptek->curSetting.
-                                                            toolMode), 1);
-                               aiptek->curSetting.toolMode |=
-                                   TOOL_BUTTON_FIRED_BIT;
+                                                
TOOL_BUTTON(aiptek->curSetting.toolMode),
+                                                1);
+                               aiptek->curSetting.toolMode |= TOOL_BUTTON_FIRED_BIT;
                        }
 
                        if (p != 0) {
@@ -835,7 +780,7 @@
        }
        aiptek->previousJitterable = jitterable;
 
-      exit:
+exit:
        retval = usb_submit_urb(urb, GFP_ATOMIC);
        if (retval != 0) {
                err("%s - usb_submit_urb failed with result %d",
@@ -937,9 +882,8 @@
        u8 *buf;
 
        buf = kmalloc(sizeof_buf, GFP_KERNEL);
-       if (!buf) {
+       if (!buf)
                return -ENOMEM;
-       }
 
        buf[0] = 2;
        buf[1] = command;
@@ -967,9 +911,8 @@
        u8 *buf;
 
        buf = kmalloc(sizeof_buf, GFP_KERNEL);
-       if (!buf) {
+       if (!buf)
                return -ENOMEM;
-       }
 
        buf[0] = 2;
        buf[1] = command;
@@ -1001,46 +944,39 @@
 {
        int ret;
        /* Execute Resolution500LPI */
-       if ((ret = aiptek_command(aiptek, 0x18, 0x04)) < 0) {
+       if ((ret = aiptek_command(aiptek, 0x18, 0x04)) < 0)
                return ret;
-       }
 
        /* Query getModelCode */
-       if ((ret = aiptek_query(aiptek, 0x02, 0x00)) < 0) {
+       if ((ret = aiptek_query(aiptek, 0x02, 0x00)) < 0)
                return ret;
-       }
        aiptek->features.modelCode = ret & 0xff;
 
        /* Query getODMCode */
-       if ((ret = aiptek_query(aiptek, 0x03, 0x00)) < 0) {
+       if ((ret = aiptek_query(aiptek, 0x03, 0x00)) < 0)
                return ret;
-       }
        aiptek->features.odmCode = ret;
 
        /* Query getFirmwareCode */
-       if ((ret = aiptek_query(aiptek, 0x04, 0x00)) < 0) {
+       if ((ret = aiptek_query(aiptek, 0x04, 0x00)) < 0)
                return ret;
-       }
        aiptek->features.firmwareCode = ret;
 
        /* Query getXextension */
-       if ((ret = aiptek_query(aiptek, 0x01, 0x00)) < 0) {
+       if ((ret = aiptek_query(aiptek, 0x01, 0x00)) < 0)
                return ret;
-       }
        aiptek->inputdev.absmin[ABS_X] = 0;
        aiptek->inputdev.absmax[ABS_X] = ret - 1;
 
        /* Query getYextension */
-       if ((ret = aiptek_query(aiptek, 0x01, 0x01)) < 0) {
+       if ((ret = aiptek_query(aiptek, 0x01, 0x01)) < 0)
                return ret;
-       }
        aiptek->inputdev.absmin[ABS_Y] = 0;
        aiptek->inputdev.absmax[ABS_Y] = ret - 1;
 
        /* Query getPressureLevels */
-       if ((ret = aiptek_query(aiptek, 0x08, 0x00)) < 0) {
+       if ((ret = aiptek_query(aiptek, 0x08, 0x00)) < 0)
                return ret;
-       }
        aiptek->inputdev.absmin[ABS_PRESSURE] = 0;
        aiptek->inputdev.absmax[ABS_PRESSURE] = ret - 1;
 
@@ -1061,20 +997,17 @@
        }
 
        /* Enable the macro keys */
-       if ((ret = aiptek_command(aiptek, 0x11, 0x02)) < 0) {
+       if ((ret = aiptek_command(aiptek, 0x11, 0x02)) < 0)
                return ret;
-       }
 #if 0
        /* Execute FilterOn */
-       if ((ret = aiptek_command(aiptek, 0x17, 0x00)) < 0) {
+       if ((ret = aiptek_command(aiptek, 0x17, 0x00)) < 0)
                return ret;
-       }
 #endif
 
        /* Execute AutoGainOn */
-       if ((ret = aiptek_command(aiptek, 0x12, 0xff)) < 0) {
+       if ((ret = aiptek_command(aiptek, 0x12, 0xff)) < 0)
                return ret;
-       }
 
        /* Reset the eventCount, so we track events from last (re)programming
         */
@@ -1098,9 +1031,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "%dx%d\n",
                        aiptek->inputdev.absmax[ABS_X] + 1,
@@ -1122,9 +1054,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "0x%04x\n",
                        aiptek->inputdev.id.product);
@@ -1139,9 +1070,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->inputdev.id.vendor);
 }
@@ -1156,9 +1086,8 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        int retval;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        retval = snprintf(buf, PAGE_SIZE, "%s\n", aiptek->features.manuName);
        return retval;
@@ -1174,9 +1103,8 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        int retval;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        retval = snprintf(buf, PAGE_SIZE, "%s\n", aiptek->features.prodName);
        return retval;
@@ -1193,34 +1121,25 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->curSetting.pointerMode) {
        case AIPTEK_POINTER_ONLY_STYLUS_MODE:
-               {
-                       s = "stylus";
-                       break;
-               }
+               s = "stylus";
+               break;
 
        case AIPTEK_POINTER_ONLY_MOUSE_MODE:
-               {
-                       s = "mouse";
-                       break;
-               }
+               s = "mouse";
+               break;
 
        case AIPTEK_POINTER_EITHER_MODE:
-               {
-                       s = "either";
-                       break;
-               }
+               s = "either";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1229,9 +1148,8 @@
 store_tabletPointerMode(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "stylus") == 0) {
                aiptek->newSetting.pointerMode =
@@ -1257,28 +1175,21 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->curSetting.coordinateMode) {
        case AIPTEK_COORDINATE_ABSOLUTE_MODE:
-               {
-                       s = "absolute";
-                       break;
-               }
+               s = "absolute";
+               break;
 
        case AIPTEK_COORDINATE_RELATIVE_MODE:
-               {
-                       s = "relative";
-                       break;
-               }
+               s = "relative";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1287,9 +1198,8 @@
 store_tabletCoordinateMode(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "absolute") == 0) {
                aiptek->newSetting.pointerMode =
@@ -1314,58 +1224,41 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (TOOL_BUTTON(aiptek->curSetting.toolMode)) {
        case AIPTEK_TOOL_BUTTON_MOUSE_MODE:
-               {
-                       s = "mouse";
-                       break;
-               }
+               s = "mouse";
+               break;
 
        case AIPTEK_TOOL_BUTTON_ERASER_MODE:
-               {
-                       s = "eraser";
-                       break;
-               }
+               s = "eraser";
+               break;
 
        case AIPTEK_TOOL_BUTTON_PENCIL_MODE:
-               {
-                       s = "pencil";
-                       break;
-               }
+               s = "pencil";
+               break;
 
        case AIPTEK_TOOL_BUTTON_PEN_MODE:
-               {
-                       s = "pen";
-                       break;
-               }
+               s = "pen";
+               break;
 
        case AIPTEK_TOOL_BUTTON_BRUSH_MODE:
-               {
-                       s = "brush";
-                       break;
-               }
+               s = "brush";
+               break;
 
        case AIPTEK_TOOL_BUTTON_AIRBRUSH_MODE:
-               {
-                       s = "airbrush";
-                       break;
-               }
+               s = "airbrush";
+               break;
 
        case AIPTEK_TOOL_BUTTON_LENS_MODE:
-               {
-                       s = "lens";
-                       break;
-               }
+               s = "lens";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1374,9 +1267,8 @@
 store_tabletToolMode(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "mouse") == 0) {
                aiptek->newSetting.toolMode = AIPTEK_TOOL_BUTTON_MOUSE_MODE;
@@ -1409,9 +1301,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (aiptek->curSetting.xTilt == AIPTEK_TILT_DISABLE) {
                return snprintf(buf, PAGE_SIZE, "disable\n");
@@ -1426,9 +1317,9 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
        int x;
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "disable") == 0) {
                aiptek->newSetting.xTilt = AIPTEK_TILT_DISABLE;
@@ -1452,9 +1343,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (aiptek->curSetting.yTilt == AIPTEK_TILT_DISABLE) {
                return snprintf(buf, PAGE_SIZE, "disable\n");
@@ -1469,9 +1359,9 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
        int y;
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "disable") == 0) {
                aiptek->newSetting.yTilt = AIPTEK_TILT_DISABLE;
@@ -1495,9 +1385,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "%d\n", aiptek->curSetting.jitterDelay);
 }
@@ -1506,9 +1395,9 @@
 store_tabletJitterDelay(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        aiptek->newSetting.jitterDelay = (int)simple_strtol(buf, 0, 10);
        return count;
@@ -1526,9 +1415,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "%d\n",
                        aiptek->curSetting.programmableDelay);
@@ -1538,9 +1426,9 @@
 store_tabletProgrammableDelay(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        aiptek->newSetting.programmableDelay = (int)simple_strtol(buf, 0, 10);
        return count;
@@ -1558,9 +1446,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "/dev/input/%s\n",
                        aiptek->features.inputPath);
@@ -1576,9 +1463,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "%ld\n", aiptek->eventCount);
 }
@@ -1593,44 +1479,34 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *retMsg;
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->diagnostic) {
        case AIPTEK_DIAGNOSTIC_NA:
-               {
-                       retMsg = "no errors\n";
-                       break;
-               }
+               retMsg = "no errors\n";
+               break;
 
        case AIPTEK_DIAGNOSTIC_SENDING_RELATIVE_IN_ABSOLUTE:
-               {
-                       retMsg = "Error: receiving relative reports\n";
-                       break;
-               }
+               retMsg = "Error: receiving relative reports\n";
+               break;
 
        case AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE:
-               {
-                       retMsg = "Error: receiving absolute reports\n";
-                       break;
-               }
+               retMsg = "Error: receiving absolute reports\n";
+               break;
 
        case AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED:
-               {
-                       if (aiptek->curSetting.pointerMode ==
-                           AIPTEK_POINTER_ONLY_MOUSE_MODE) {
-                               retMsg = "Error: receiving stylus reports\n";
-                       } else {
-                               retMsg = "Error: receiving mouse reports\n";
-                       }
-                       break;
+               if (aiptek->curSetting.pointerMode ==
+                   AIPTEK_POINTER_ONLY_MOUSE_MODE) {
+                       retMsg = "Error: receiving stylus reports\n";
+               } else {
+                       retMsg = "Error: receiving mouse reports\n";
                }
+               break;
 
        default:
-               {
-                       return 0;
-               }
+               return 0;
        }
        return snprintf(buf, PAGE_SIZE, retMsg);
 }
@@ -1646,28 +1522,21 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->curSetting.stylusButtonUpper) {
        case AIPTEK_STYLUS_UPPER_BUTTON:
-               {
-                       s = "upper";
-                       break;
-               }
+               s = "upper";
+               break;
 
        case AIPTEK_STYLUS_LOWER_BUTTON:
-               {
-                       s = "lower";
-                       break;
-               }
+               s = "lower";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1676,9 +1545,9 @@
 store_tabletStylusUpper(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "upper") == 0) {
                aiptek->newSetting.stylusButtonUpper =
@@ -1703,28 +1572,21 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->curSetting.stylusButtonLower) {
        case AIPTEK_STYLUS_UPPER_BUTTON:
-               {
-                       s = "upper";
-                       break;
-               }
+               s = "upper";
+               break;
 
        case AIPTEK_STYLUS_LOWER_BUTTON:
-               {
-                       s = "lower";
-                       break;
-               }
+               s = "lower";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1733,9 +1595,9 @@
 store_tabletStylusLower(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "upper") == 0) {
                aiptek->newSetting.stylusButtonLower =
@@ -1760,34 +1622,25 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->curSetting.mouseButtonLeft) {
        case AIPTEK_MOUSE_LEFT_BUTTON:
-               {
-                       s = "left";
-                       break;
-               }
+               s = "left";
+               break;
 
        case AIPTEK_MOUSE_MIDDLE_BUTTON:
-               {
-                       s = "middle";
-                       break;
-               }
+               s = "middle";
+               break;
 
        case AIPTEK_MOUSE_RIGHT_BUTTON:
-               {
-                       s = "right";
-                       break;
-               }
+               s = "right";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1796,9 +1649,9 @@
 store_tabletMouseLeft(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "left") == 0) {
                aiptek->newSetting.mouseButtonLeft = AIPTEK_MOUSE_LEFT_BUTTON;
@@ -1823,34 +1676,25 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->curSetting.mouseButtonMiddle) {
        case AIPTEK_MOUSE_LEFT_BUTTON:
-               {
-                       s = "left";
-                       break;
-               }
+               s = "left";
+               break;
 
        case AIPTEK_MOUSE_MIDDLE_BUTTON:
-               {
-                       s = "middle";
-                       break;
-               }
+               s = "middle";
+               break;
 
        case AIPTEK_MOUSE_RIGHT_BUTTON:
-               {
-                       s = "right";
-                       break;
-               }
+               s = "right";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1859,9 +1703,9 @@
 store_tabletMouseMiddle(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "left") == 0) {
                aiptek->newSetting.mouseButtonMiddle = AIPTEK_MOUSE_LEFT_BUTTON;
@@ -1888,34 +1732,25 @@
        struct aiptek *aiptek = dev_get_drvdata(dev);
        char *s;
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        switch (aiptek->curSetting.mouseButtonRight) {
        case AIPTEK_MOUSE_LEFT_BUTTON:
-               {
-                       s = "left";
-                       break;
-               }
+               s = "left";
+               break;
 
        case AIPTEK_MOUSE_MIDDLE_BUTTON:
-               {
-                       s = "middle";
-                       break;
-               }
+               s = "middle";
+               break;
 
        case AIPTEK_MOUSE_RIGHT_BUTTON:
-               {
-                       s = "right";
-                       break;
-               }
+               s = "right";
+               break;
 
        default:
-               {
-                       s = "unknown";
-                       break;
-               }
+               s = "unknown";
+               break;
        }
        return snprintf(buf, PAGE_SIZE, "%s\n", s);
 }
@@ -1924,9 +1759,9 @@
 store_tabletMouseRight(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (strcmp(buf, "left") == 0) {
                aiptek->newSetting.mouseButtonRight = AIPTEK_MOUSE_LEFT_BUTTON;
@@ -1950,9 +1785,9 @@
 static ssize_t show_tabletWheel(struct device *dev, char *buf)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        if (aiptek->curSetting.wheel == AIPTEK_WHEEL_DISABLE) {
                return snprintf(buf, PAGE_SIZE, "disable\n");
@@ -1966,9 +1801,9 @@
 store_tabletWheel(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
 
        aiptek->newSetting.wheel = (int)simple_strtol(buf, 0, 10);
        return count;
@@ -1985,9 +1820,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        /* There is nothing useful to display, so a one-line manual
         * is in order...
@@ -2000,18 +1834,18 @@
 store_tabletExecute(struct device *dev, const char *buf, size_t count)
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
-       if (aiptek == NULL) {
+
+       if (aiptek == NULL)
                return 0;
-       }
+
        /* We do not care what you write to this file. Merely the action
         * of writing to this file triggers a tablet reprogramming.
         */
        memcpy(&aiptek->curSetting, &aiptek->newSetting,
               sizeof(struct aiptek_settings));
 
-       if (aiptek_program_tablet(aiptek) < 0) {
+       if (aiptek_program_tablet(aiptek) < 0)
                return -EIO;
-       }
 
        return count;
 }
@@ -2027,9 +1861,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->features.odmCode);
 }
@@ -2044,9 +1877,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->features.modelCode);
 }
@@ -2061,9 +1893,8 @@
 {
        struct aiptek *aiptek = dev_get_drvdata(dev);
 
-       if (aiptek == NULL) {
+       if (aiptek == NULL)
                return 0;
-       }
 
        return snprintf(buf, PAGE_SIZE, "%04x\n",
                        aiptek->features.firmwareCode);
@@ -2175,9 +2006,8 @@
         */
        speeds[0] = programmableDelay;
 
-       if ((aiptek = kmalloc(sizeof(struct aiptek), GFP_KERNEL)) == NULL) {
+       if ((aiptek = kmalloc(sizeof(struct aiptek), GFP_KERNEL)) == NULL)
                return -ENOMEM;
-       }
        memset(aiptek, 0, sizeof(struct aiptek));
 
        aiptek->data = usb_buffer_alloc(usbdev, AIPTEK_PACKET_LENGTH,
@@ -2255,9 +2085,8 @@
        /* Programming the tablet macro keys needs to be done with a for loop
         * as the keycodes are discontiguous.
         */
-       for (i = 0; i < sizeof(macroKeyEvents) / sizeof(macroKeyEvents[0]); ++i) {
+       for (i = 0; i < sizeof(macroKeyEvents) / sizeof(macroKeyEvents[0]); ++i)
                set_bit(macroKeyEvents[i], aiptek->inputdev.keybit);
-       }
 
        /* Set up client data, pointers to open and close routines
         * for the input device.
@@ -2273,9 +2102,8 @@
         * & a tablet, and the inputX number actually will tell
         * us something...
         */
-       if (usb_make_path(usbdev, path, 64) > 0) {
+       if (usb_make_path(usbdev, path, 64) > 0)
                sprintf(aiptek->features.usbPath, "%s/input0", path);
-       }
 
        /* Program the input device coordinate capacities. We do not yet
         * know what maximum X, Y, and Z values are, so we're putting fake
@@ -2400,9 +2228,8 @@
 
        /* Make sure the evdev module is loaded. Assuming evdev IS a module :-)
         */
-       if (request_module("evdev") != 0) {
+       if (request_module("evdev") != 0)
                info("aiptek: error loading 'evdev' module");
-       }
 
        return 0;
 }



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