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Commit c6243d9c authored by Thierry MERLE's avatar Thierry MERLE Committed by Mauro Carvalho Chehab
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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: default avatarThierry MERLE <thierry.merle@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent eeec4b38

drivers/media/video/usbvision/usbvision-core.c

+19 −0
Original line number Diff line number Diff line
@@ -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,