[media] uvcvideo: Add M420 format support

The M420 format is used by the Microsoft LifeCam Studio HD.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
[laurent.pinchart@ideasonboard.com: split into v4l/uvcvideo patches]
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 496a9de..823f4b3 100644 (file)
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -84,6 +84,11 @@ static struct uvc_format_desc uvc_fmts[] = {
                .fcc            = V4L2_PIX_FMT_YUV420,
        },
        {
+               .name           = "YUV 4:2:0 (M420)",
+               .guid           = UVC_GUID_FORMAT_M420,
+               .fcc            = V4L2_PIX_FMT_M420,
+       },
+       {
                .name           = "YUV 4:2:2 (UYVY)",
                .guid           = UVC_GUID_FORMAT_UYVY,
                .fcc            = V4L2_PIX_FMT_UYVY,

diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index 0275613..7cf224b 100644 (file)
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -172,6 +172,9 @@ struct uvc_xu_control {
 #define UVC_GUID_FORMAT_RGBP \
        { 'R',  'G',  'B',  'P', 0x00, 0x00, 0x10, 0x00, \
         0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_M420 \
+       { 'M',  '4',  '2',  '0', 0x00, 0x00, 0x10, 0x00, \
+        0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
 
 /* ------------------------------------------------------------------------
  * Driver specific constants.