From c6243d9c3de82e46467c88898db45ca14b6843a0 Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Wed, 9 Jan 2008 17:34:53 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- .../media/video/usbvision/usbvision-core.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index 9e404b87d0..1e52a0387a 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -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, -- 2.39.5