From 8e53f8116552eb5c0d207265d210c76040e2dbea Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Wed, 9 Jan 2008 21:34:53 +0100 Subject: ubvision: add adjust_X_Offset/adjust_Y_Offset parms From: Thierry MERLE 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 --- linux/drivers/media/video/usbvision/usbvision-core.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'linux/drivers/media/video/usbvision') diff --git a/linux/drivers/media/video/usbvision/usbvision-core.c b/linux/drivers/media/video/usbvision/usbvision-core.c index 96fcd5987..945616613 100644 --- a/linux/drivers/media/video/usbvision/usbvision-core.c +++ b/linux/drivers/media/video/usbvision/usbvision-core.c @@ -75,6 +75,15 @@ 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 */ @@ -2159,11 +2168,21 @@ 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, -- cgit v1.2.3