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media: v4l2-subdev: Add debug prints to v4l2_subdev_collect_streams()

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Print streams found by v4l2_subdev_collect_streams() at debug level. This
could be useful in debugging drivers, userspace programs or the framework
itself.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Sakari Ailus
2025-06-04 00:57:57 +03:00
committed by Hans Verkuil
parent f98691668e
commit 0bb005ac72
1 changed files with 7 additions and 0 deletions
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7
drivers/media/v4l2-core/v4l2-subdev.c
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@@ -2233,6 +2233,9 @@ static void v4l2_subdev_collect_streams(struct v4l2_subdev *sd,
*found_streams = BIT_ULL(0);
*enabled_streams =
(sd->enabled_pads & BIT_ULL(pad)) ? BIT_ULL(0) : 0;
dev_dbg(sd->dev,
"collect_streams: sub-device \"%s\" does not support streams\n",
sd->entity.name);
return;
}
@@ -2250,6 +2253,10 @@ static void v4l2_subdev_collect_streams(struct v4l2_subdev *sd,
if (cfg->enabled)
*enabled_streams |= BIT_ULL(cfg->stream);
}
dev_dbg(sd->dev,
"collect_streams: \"%s\":%u: found %#llx enabled %#llx\n",
sd->entity.name, pad, *found_streams, *enabled_streams);
}
static void v4l2_subdev_set_streams_enabled(struct v4l2_subdev *sd,