[media] V4L: Add camera auto focus controls

Add following auto focus controls:

 - V4L2_CID_AUTO_FOCUS_START - single-shot auto focus start
 - V4L2_CID_AUTO_FOCUS_STOP -  single-shot auto focus stop
 - V4L2_CID_AUTO_FOCUS_STATUS - automatic focus status
 - V4L2_CID_AUTO_FOCUS_RANGE - automatic focus scan range selection

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index a9b03ae44037..dc3e3ea28f99 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1763,6 +1763,22 @@ enum v4l2_scene_mode {
 #define V4L2_LOCK_WHITE_BALANCE                 (1 << 1)
 #define V4L2_LOCK_FOCUS                         (1 << 2)
 
+#define V4L2_CID_AUTO_FOCUS_START               (V4L2_CID_CAMERA_CLASS_BASE+28)
+#define V4L2_CID_AUTO_FOCUS_STOP                (V4L2_CID_CAMERA_CLASS_BASE+29)
+#define V4L2_CID_AUTO_FOCUS_STATUS              (V4L2_CID_CAMERA_CLASS_BASE+30)
+#define V4L2_AUTO_FOCUS_STATUS_IDLE             (0 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_BUSY             (1 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_REACHED          (1 << 1)
+#define V4L2_AUTO_FOCUS_STATUS_FAILED           (1 << 2)
+
+#define V4L2_CID_AUTO_FOCUS_RANGE               (V4L2_CID_CAMERA_CLASS_BASE+31)
+enum v4l2_auto_focus_range {
+        V4L2_AUTO_FOCUS_RANGE_AUTO              = 0,
+        V4L2_AUTO_FOCUS_RANGE_NORMAL            = 1,
+        V4L2_AUTO_FOCUS_RANGE_MACRO             = 2,
+        V4L2_AUTO_FOCUS_RANGE_INFINITY          = 3,
+};
+
 /* FM Modulator class control IDs */
 #define V4L2_CID_FM_TX_CLASS_BASE               (V4L2_CTRL_CLASS_FM_TX | 0x900)
 #define V4L2_CID_FM_TX_CLASS                    (V4L2_CTRL_CLASS_FM_TX | 1)