media: v4l2-dev.c: show which events are requested by poll()

This helps debugging poll problems.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Hans Verkuil 2021-03-11 14:05:38 +01:00 committed by Mauro Carvalho Chehab
parent c10a3718d9
commit bea7515df5
1 changed files with 3 additions and 2 deletions

View File

@ -350,8 +350,9 @@ static __poll_t v4l2_poll(struct file *filp, struct poll_table_struct *poll)
res = vdev->fops->poll(filp, poll);
}
if (vdev->dev_debug & V4L2_DEV_DEBUG_POLL)
dprintk("%s: poll: %08x\n",
video_device_node_name(vdev), res);
dprintk("%s: poll: %08x %08x\n",
video_device_node_name(vdev), res,
poll_requested_events(poll));
return res;
}