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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2021-03-11 16:05:38 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-03-22 13:54:31 +0300
commitbea7515df5a21a749d86cbf84f6d3a0ddb9f3a1c (patch)
treef5f3cd0275a5d9cb19dba72ae6c5f5c022e67ce5
parentc10a3718d9555fafe9325d63b11ff76daed69c03 (diff)
downloadlinux-bea7515df5a21a749d86cbf84f6d3a0ddb9f3a1c.tar.xz
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>
-rw-r--r--drivers/media/v4l2-core/v4l2-dev.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index b6a72d297775..7d0edf3530be 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -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;
}