[media] omap3isp: Don't fail streamon when the sensor doesn't implement s_stream
The code handles subdevs with no s_stream operation correctly, but
returns -ENOIOCTLCMD by mistake if the first subdev in the chain has no
s_stream operation. Return 0 in that case.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/omap3isp/isp.c b/drivers/media/video/omap3isp/isp.c
index 5cea2bb..fda4be0 100644
--- a/drivers/media/video/omap3isp/isp.c
+++ b/drivers/media/video/omap3isp/isp.c
@@ -732,7 +732,7 @@
struct media_pad *pad;
struct v4l2_subdev *subdev;
unsigned long flags;
- int ret = 0;
+ int ret;
spin_lock_irqsave(&pipe->lock, flags);
pipe->state &= ~(ISP_PIPELINE_IDLE_INPUT | ISP_PIPELINE_IDLE_OUTPUT);
@@ -756,7 +756,7 @@
ret = v4l2_subdev_call(subdev, video, s_stream, mode);
if (ret < 0 && ret != -ENOIOCTLCMD)
- break;
+ return ret;
if (subdev == &isp->isp_ccdc.subdev) {
v4l2_subdev_call(&isp->isp_aewb.subdev, video,
@@ -777,7 +777,7 @@
if (pipe->do_propagation && mode == ISP_PIPELINE_STREAM_SINGLESHOT)
atomic_inc(&pipe->frame_number);
- return ret;
+ return 0;
}
static int isp_pipeline_wait_resizer(struct isp_device *isp)