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