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V4L/DVB (6995): ubvision: add adjust_X_Offset/adjust_Y_Offset parms 

Add adjust_X_Offset/adjust_Y_Offset module parameters to allow users
to tune X and Y picture offsets for their almost-working tuners without
repetitive recompilation.

Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Thierry MERLE 2008-01-09 17:34:53 -03:00 committed by Mauro Carvalho Chehab
parent eeec4b3853
commit c6243d9c3d
1 changed files with 19 additions and 0 deletions
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19
drivers/media/video/usbvision/usbvision-core.c
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@ -69,6 +69,15 @@ static int SwitchSVideoInput = 0; // To help people with Black and White outpu
module_param(SwitchSVideoInput, int, 0444);
MODULE_PARM_DESC(SwitchSVideoInput, " Set the S-Video input. Some cables and input device are wired differently. Default: 0 (Off)");
static unsigned int adjust_X_Offset = -1;
module_param(adjust_X_Offset, int, 0644);
MODULE_PARM_DESC(adjust_X_Offset, "adjust X offset display [core]");
static unsigned int adjust_Y_Offset = -1;
module_param(adjust_Y_Offset, int, 0644);
MODULE_PARM_DESC(adjust_Y_Offset, "adjust Y offset display [core]");
#define ENABLE_HEXDUMP 0 /* Enable if you need it */
@ -2097,11 +2106,21 @@ int usbvision_set_input(struct usb_usbvision *usbvision)
value[5]=(usbvision_device_data[usbvision->DevModel].X_Offset & 0x0300) >> 8;
}
if (adjust_X_Offset != -1) {
value[4] = adjust_X_Offset & 0xff;
value[5] = (adjust_X_Offset & 0x0300) >> 8;
}
if (usbvision_device_data[usbvision->DevModel].Y_Offset >= 0) {
value[6]=usbvision_device_data[usbvision->DevModel].Y_Offset & 0xff;
value[7]=(usbvision_device_data[usbvision->DevModel].Y_Offset & 0x0300) >> 8;
}
if (adjust_Y_Offset != -1) {
value[6] = adjust_Y_Offset & 0xff;
value[7] = (adjust_Y_Offset & 0x0300) >> 8;
}
rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
USBVISION_OP_CODE, /* USBVISION specific code */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0,