[media] mt9p031: Implement V4L2_CID_PIXEL_RATE control

The pixel rate control is required by the OMAP3 ISP driver and should be
implemented by all media controller-compatible sensor drivers.

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

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/media/video/mt9p031.c b/drivers/media/video/mt9p031.c
index 8f061d9ac443..3be537ef22d2 100644
--- a/drivers/media/video/mt9p031.c
+++ b/drivers/media/video/mt9p031.c
@@ -950,7 +950,7 @@ static int mt9p031_probe(struct i2c_client *client,
         mt9p031->model = did->driver_data;
         mt9p031->reset = -1;
 
-        v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 4);
+        v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 5);
 
         v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
                           V4L2_CID_EXPOSURE, MT9P031_SHUTTER_WIDTH_MIN,
@@ -963,6 +963,9 @@ static int mt9p031_probe(struct i2c_client *client,
                           V4L2_CID_HFLIP, 0, 1, 1, 0);
         v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
                           V4L2_CID_VFLIP, 0, 1, 1, 0);
+        v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
+                          V4L2_CID_PIXEL_RATE, pdata->target_freq,
+                          pdata->target_freq, 1, pdata->target_freq);
 
         for (i = 0; i < ARRAY_SIZE(mt9p031_ctrls); ++i)
                 v4l2_ctrl_new_custom(&mt9p031->ctrls, &mt9p031_ctrls[i], NULL);