Make VIDIOC_[GS]_CTRL work

v4l2_control.value was left uninitialised for the VIDIOC_S_CTRL IOCTL. Fix
that.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/yavta.c b/yavta.c
index 480ce74..cbcf310 100644
--- a/yavta.c
+++ b/yavta.c
@@ -326,6 +326,7 @@ static void set_control(struct device *dev, unsigned int id, int type,
 		struct v4l2_control old;
 
 		old.id = id;
+		old.value = val;
 		ret = ioctl(dev->fd, VIDIOC_S_CTRL, &old);
 		if (ret != -1)
 			val = old.value;