V4L/DVB: uvcvideo: Add support for V4L2_PIX_FMT_Y16

The Miricle 307K (17dc:0202) camera reports a 16-bit greyscale format,
support it in the driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 9 insertions, 2 deletions

diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 72a705802f18..838b56f097cf 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -91,11 +91,16 @@ static struct uvc_format_desc uvc_fmts[] = {
                 .fcc            = V4L2_PIX_FMT_UYVY,
         },
         {
-                .name           = "Greyscale",
+                .name           = "Greyscale (8-bit)",
                 .guid           = UVC_GUID_FORMAT_Y800,
                 .fcc            = V4L2_PIX_FMT_GREY,
         },
         {
+                .name           = "Greyscale (16-bit)",
+                .guid           = UVC_GUID_FORMAT_Y16,
+                .fcc            = V4L2_PIX_FMT_Y16,
+        },
+        {
                 .name           = "RGB Bayer",
                 .guid           = UVC_GUID_FORMAT_BY8,
                 .fcc            = V4L2_PIX_FMT_SBGGR8,
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index 2bba059259e6..d1f88406a5e7 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -131,11 +131,13 @@ struct uvc_xu_control {
 #define UVC_GUID_FORMAT_Y800 \
         { 'Y',  '8',  '0',  '0', 0x00, 0x00, 0x10, 0x00, \
          0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y16 \
+        { 'Y',  '1',  '6',  ' ', 0x00, 0x00, 0x10, 0x00, \
+         0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
 #define UVC_GUID_FORMAT_BY8 \
         { 'B',  'Y',  '8',  ' ', 0x00, 0x00, 0x10, 0x00, \
          0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
 
-
 /* ------------------------------------------------------------------------
  * Driver specific constants.
  */