From: Tomas Winkler <[email protected]> Use regget to reading back what was written to a register. This required changning size argument to regget signature
On the way remove usless variable casting Cc: Mike Thomas <[email protected]> Signed-off-by: Tomas Winkler <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/staging/easycap/easycap_low.c | 37 ++++++++++---------------------- 1 files changed, 12 insertions(+), 25 deletions(-) diff --git a/drivers/staging/easycap/easycap_low.c b/drivers/staging/easycap/easycap_low.c index 39e22d5..b44c384 100644 --- a/drivers/staging/easycap/easycap_low.c +++ b/drivers/staging/easycap/easycap_low.c @@ -43,7 +43,7 @@ #define GET(X, Y, Z) do { \ int __rc; \ *(Z) = (u16)0; \ - __rc = regget(X, Y, Z); \ + __rc = regget(X, Y, Z, sizeof(u8)); \ if (0 > __rc) { \ JOT(8, ":-(%i\n", __LINE__); return __rc; \ } \ @@ -256,7 +256,8 @@ static const struct saa7113config saa7113configNTSC[256] = { {0xFF, 0xFF} }; -static int regget(struct usb_device *pusb_device, u16 index, void *pvoid) +static int regget(struct usb_device *pusb_device, + u16 index, void *reg, int reg_size) { int rc; @@ -264,46 +265,32 @@ static int regget(struct usb_device *pusb_device, u16 index, void *pvoid) return -ENODEV; rc = usb_control_msg(pusb_device, usb_rcvctrlpipe(pusb_device, 0), - (u8)0x00, - (u8)(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE), - (u16)0x00, - (u16)index, - (void *)pvoid, - sizeof(u8), - (int)50000); + 0x00, + (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE), + 0x00, + index, reg, reg_size, 50000); return 0xFF & rc; } static int regset(struct usb_device *pusb_device, u16 index, u16 value) { - u16 igot; int rc0, rc1; + u16 igot; if (!pusb_device) return -ENODEV; rc1 = 0; igot = 0; rc0 = usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0), - (u8)0x01, - (u8)(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE), - (u16)value, - (u16)index, - NULL, - (u16)0, - (int)500); + 0x01, + (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE), + value, index, NULL, 0, 500); #ifdef NOREADBACK # #else - rc1 = usb_control_msg(pusb_device, usb_rcvctrlpipe(pusb_device, 0), - (u8)0x00, - (u8)(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE), - (u16)0x00, - (u16)index, - (void *)&igot, - (u16)sizeof(u16), - (int)50000); + rc1 = regget(pusb_device, index, &igot, sizeof(igot)); igot = 0xFF & igot; switch (index) { case 0x000: -- 1.7.4.1 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
