[media] v4l: Image source control class

Add image source control class. This control class is intended to contain
low level controls which deal with control of the image capture process ---
the A/D converter in image sensors, for example.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index ace8ac000b9b..3cd13b2faab5 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1139,6 +1139,7 @@ struct v4l2_ext_controls {
 #define V4L2_CTRL_CLASS_FM_TX 0x009b0000        /* FM Modulator control class */
 #define V4L2_CTRL_CLASS_FLASH 0x009c0000        /* Camera flash controls */
 #define V4L2_CTRL_CLASS_JPEG 0x009d0000         /* JPEG-compression controls */
+#define V4L2_CTRL_CLASS_IMAGE_SOURCE 0x009e0000 /* Image source controls */
 
 #define V4L2_CTRL_ID_MASK         (0x0fffffff)
 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
@@ -1788,6 +1789,14 @@ enum v4l2_jpeg_chroma_subsampling {
 #define V4L2_JPEG_ACTIVE_MARKER_DQT             (1 << 17)
 #define V4L2_JPEG_ACTIVE_MARKER_DHT             (1 << 18)
 
+/* Image source controls */
+#define V4L2_CID_IMAGE_SOURCE_CLASS_BASE        (V4L2_CTRL_CLASS_IMAGE_SOURCE | 0x900)
+#define V4L2_CID_IMAGE_SOURCE_CLASS             (V4L2_CTRL_CLASS_IMAGE_SOURCE | 1)
+
+#define V4L2_CID_VBLANK                         (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 1)
+#define V4L2_CID_HBLANK                         (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 2)
+#define V4L2_CID_ANALOGUE_GAIN                  (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 3)
+
 /*
  *      T U N I N G
  */