[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>

2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 496a9de6abd6..823f4b389745 100644
--- 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 0275613c5f33..7cf224bae2e5 100644
--- 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.