LinuxTV Patchwork [PATCHv4,03/10] v4l2-ioctl.c: log v4l2_buffer tag

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Submitter Hans Verkuil
Date Dec. 5, 2018, 10:20 a.m.
Message ID <20181205102040.11741-4-hverkuil-cisco@xs4all.nl>
Download mbox | patch
Permalink /patch/53308/
State Superseded
Delegated to: Hans Verkuil
Headers show

Comments

Hans Verkuil - Dec. 5, 2018, 10:20 a.m.
From: Hans Verkuil <hverkuil-cisco@xs4all.nl>

When debugging is on, log the new tag field of struct v4l2_buffer
as well.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
---
 drivers/media/v4l2-core/v4l2-ioctl.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index b9616b1f227b..07c6c939a23c 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -498,9 +498,12 @@  static void v4l_print_buffer(const void *arg, bool write_only)
 			p->bytesused, p->m.userptr, p->length);
 	}
 
-	printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, flags=0x%08x, frames=%d, userbits=0x%08x\n",
-			tc->hours, tc->minutes, tc->seconds,
-			tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits);
+	if (p->flags & V4L2_BUF_FLAG_TAG)
+		printk(KERN_DEBUG "tag=%x\n", p->tag);
+	if (p->flags & V4L2_BUF_FLAG_TIMECODE)
+		printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, flags=0x%08x, frames=%d, userbits=0x%08x\n",
+		       tc->hours, tc->minutes, tc->seconds,
+		       tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits);
 }
 
 static void v4l_print_exportbuffer(const void *arg, bool write_only)

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