V4L/DVB (10291): em28xx: fix VIDIOC_G_CTRL when there is no msp34xx device.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 8e61b2c..d8b45b5 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -1008,8 +1008,13 @@
if (dev->board.has_msp34xx)
em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
- else
+ else {
rc = em28xx_get_ctrl(dev, ctrl);
+ if (rc < 0) {
+ em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
+ rc = 0;
+ }
+ }
mutex_unlock(&dev->lock);
return rc;