From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Date: Thu, 11 Mar 2021 13:05:38 +0000 (+0100)
Subject: media: v4l2-dev.c: show which events are requested by poll()
X-Git-Tag: v5.13-rc1~124^2~294
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bea7515df5a21a749d86cbf84f6d3a0ddb9f3a1c;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index b6a72d2977756..7d0edf3530be3 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;
 }