media: i2c: hi556: Drop check for reentrant .s_stream()

The subdev .s_stream() operation shall not be called to start streaming
on an already started subdev, or stop streaming on a stopped subdev.
Remove the check that guards against that condition.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/i2c/hi556.c b/drivers/media/i2c/hi556.c
index fd56ba13873915b5f28f3242b8fa640e7c4e521d..2b00426c5826c9b50396cbef1dc6419a447c9b26 100644 (file)
--- a/drivers/media/i2c/hi556.c
+++ b/drivers/media/i2c/hi556.c
@@ -976,9 +976,6 @@ static int hi556_set_stream(struct v4l2_subdev *sd, int enable)
        struct i2c_client *client = v4l2_get_subdevdata(sd);
        int ret = 0;
 
-       if (hi556->streaming == enable)
-               return 0;
-
        mutex_lock(&hi556->mutex);
        if (enable) {
                ret = pm_runtime_resume_and_get(&client->dev);