gspca - gl860: improvement of the main driver part
From: Olivier Lorin <o.lo...@laposte.net>
- fix for warning compilation about sd_ctrls
- trace improvement while probing the sensor
Priority: normal
Signed-off-by: Olivier Lorin <o.lo...@laposte.net>
diff -rupN ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.c
./linux/drivers/media/video/gspca/gl860/gl860.c
--- ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.c
2009-09-18 10:36:24.000000000 +0200
+++ ./linux/drivers/media/video/gspca/gl860/gl860.c 2009-09-24
13:55:34.000000000 +0200
@@ -23,8 +23,8 @@
#include "gspca.h"
#include "gl860.h"
-MODULE_AUTHOR("Olivier Lorin <lo...@laposte.net>");
-MODULE_DESCRIPTION("GSPCA/Genesys Logic GL860 USB Camera Driver");
+MODULE_AUTHOR("Olivier Lorin <o.lo...@laposte.net>");
+MODULE_DESCRIPTION("Genesys Logic USB PC Camera Driver");
MODULE_LICENSE("GPL");
/*======================== static function declarations
====================*/
@@ -53,7 +53,7 @@ MODULE_PARM_DESC(AC50Hz, " Does AC power
static char sensor[7];
module_param_string(sensor, sensor, sizeof(sensor), 0644);
MODULE_PARM_DESC(sensor,
- " Driver sensor ('MI1320'/'MI2020'/'OV9655'/'OV2640'/'')");
+ " Driver sensor ('MI1320'/'MI2020'/'OV9655'/'OV2640')");
/*============================ webcam controls
=============================*/
@@ -119,16 +119,23 @@ static int gl860_build_control_table(str
struct ctrl *sd_ctrls;
int nCtrls = 0;
- if (_MI1320_)
+ switch (sd->sensor) {
+ case ID_MI1320:
sd_ctrls = sd_ctrls_mi1320;
- else if (_MI2020_)
+ break;
+ case ID_MI2020:
sd_ctrls = sd_ctrls_mi2020;
- else if (_MI2020b_)
+ break;
+ case ID_MI2020b:
sd_ctrls = sd_ctrls_mi2020b;
- else if (_OV2640_)
+ break;
+ case ID_OV2640:
sd_ctrls = sd_ctrls_ov2640;
- else if (_OV9655_)
+ break;
+ default:
sd_ctrls = sd_ctrls_ov9655;
+ break;
+ }
memset(sd_ctrls, 0, GL860_NCTRLS * sizeof(struct ctrl));
@@ -154,7 +161,7 @@ static int gl860_build_control_table(str
SET_MY_CTRL(V4L2_CID_VFLIP,
V4L2_CTRL_TYPE_BOOLEAN, "Flip", flip)
SET_MY_CTRL(V4L2_CID_POWER_LINE_FREQUENCY,
- V4L2_CTRL_TYPE_BOOLEAN, "50Hz", AC50Hz)
+ V4L2_CTRL_TYPE_BOOLEAN, "AC power 50Hz", AC50Hz)
return nCtrls;
}
@@ -700,6 +707,7 @@ static int gl860_guess_sensor(struct gsp
ctrl_out(gspca_dev, 0x40, 1, 0x006a, 0x000d, 0, NULL);
msleep(56);
+ PDEBUG(D_PROBE, "probing for sensor MI2020 or OVXXXX");
nOV = 0;
for (ntry = 0; ntry < 4; ntry++) {
ctrl_out(gspca_dev, 0x40, 1, 0x0040, 0x0000, 0, NULL);
@@ -709,14 +717,14 @@ static int gl860_guess_sensor(struct gsp
ctrl_out(gspca_dev, 0x40, 1, 0x7a00, 0x8030, 0, NULL);
msleep(10);
ctrl_in(gspca_dev, 0xc0, 2, 0x7a00, 0x8030, 1, &probe);
- PDEBUG(D_PROBE, "1st probe=%02x", probe);
+ PDEBUG(D_PROBE, "probe=0x%02x", probe);
if (probe == 0xff)
nOV++;
}
if (nOV) {
- PDEBUG(D_PROBE, "0xff -> sensor OVXXXX");
- PDEBUG(D_PROBE, "Probing for sensor OV2640 or OV9655");
+ PDEBUG(D_PROBE, "0xff -> OVXXXX");
+ PDEBUG(D_PROBE, "probing for sensor OV2640 or OV9655");
nb26 = nb96 = 0;
for (ntry = 0; ntry < 4; ntry++) {
@@ -726,40 +734,38 @@ static int gl860_guess_sensor(struct gsp
ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x800a,
0, NULL);
msleep(10);
+
/* Wait for 26(OV2640) or 96(OV9655) */
ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x800a,
1, &probe);
- PDEBUG(D_PROBE, "2nd probe=%02x", probe);
- if (probe == 0x00)
- nb26++;
if (probe == 0x26 || probe == 0x40) {
+ PDEBUG(D_PROBE,
+ "probe=0x%02x -> OV2640",
+ probe);
sd->sensor = ID_OV2640;
nb26 += 4;
break;
}
if (probe == 0x96 || probe == 0x55) {
+ PDEBUG(D_PROBE,
+ "probe=0x%02x -> OV9655",
+ probe);
sd->sensor = ID_OV9655;
nb96 += 4;
break;
}
+ PDEBUG(D_PROBE, "probe=0x%02x", probe);
+ if (probe == 0x00)
+ nb26++;
if (probe == 0xff)
nb96++;
msleep(3);
}
- if (nb26 < 4 && nb96 < 4) {
- PDEBUG(D_PROBE, "No relevant answer ");
- PDEBUG(D_PROBE, "* 1.3Mpixels -> use OV9655");
- PDEBUG(D_PROBE, "* 2.0Mpixels -> use OV2640");
- PDEBUG(D_PROBE,
- "To force a sensor, add that line to "
- "/etc/modprobe.d/options.conf:");
- PDEBUG(D_PROBE, "options gspca_gl860 "
- "sensor=\"OV2640\" or \"OV9655\"");
+ if (nb26 < 4 && nb96 < 4)
return -1;
- }
- } else { /* probe = 0 */
- PDEBUG(D_PROBE, "No 0xff -> sensor MI2020");
+ } else {
+ PDEBUG(D_PROBE, "Not any 0xff -> MI2020");
sd->sensor = ID_MI2020;
}
}
diff -rupN ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.h
./linux/drivers/media/video/gspca/gl860/gl860.h
--- ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.h
2009-09-18 10:36:24.000000000 +0200
+++ ./linux/drivers/media/video/gspca/gl860/gl860.h 2009-09-24
14:01:41.000000000 +0200
@@ -22,7 +22,7 @@
#include "gspca.h"
#define MODULE_NAME "gspca_gl860"
-#define DRIVER_VERSION "0.9d10"
+#define DRIVER_VERSION "0.9d11"
#define ctrl_in gl860_RTx
#define ctrl_out gl860_RTx
--
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