summaryrefslogtreecommitdiff
path: root/drivers/media/v4l2-core/v4l2-subdev.c
diff options
context:
space:
mode:
authorTomi Valkeinen <tomi.valkeinen@ideasonboard.com>2023-06-19 13:27:07 +0200
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-08-10 07:58:38 +0200
commit35a2991856ec3035ea3bd5dac3b199bb5a0ec9cb (patch)
tree96a0c0c69e48440d0a4307a8f8a66dbbf0337d5a /drivers/media/v4l2-core/v4l2-subdev.c
parentbb05820e87dc81469efc7262149d2b945a28527a (diff)
media: subdev: Add debug prints to enable/disable_streams
It is often useful to see when streaming for a device is being enabled or disabled. Add debug prints for this to v4l2_subdev_enable_streams() and v4l2_subdev_disable_streams(). Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-subdev.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-subdev.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index ec35e5a90cdf..b92348ad61f6 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -1989,11 +1989,16 @@ int v4l2_subdev_enable_streams(struct v4l2_subdev *sd, u32 pad,
goto done;
}
+ dev_dbg(dev, "enable streams %u:%#llx\n", pad, streams_mask);
+
/* Call the .enable_streams() operation. */
ret = v4l2_subdev_call(sd, pad, enable_streams, state, pad,
streams_mask);
- if (ret)
+ if (ret) {
+ dev_dbg(dev, "enable streams %u:%#llx failed: %d\n", pad,
+ streams_mask, ret);
goto done;
+ }
/* Mark the streams as enabled. */
for (i = 0; i < state->stream_configs.num_configs; ++i) {
@@ -2101,11 +2106,16 @@ int v4l2_subdev_disable_streams(struct v4l2_subdev *sd, u32 pad,
goto done;
}
+ dev_dbg(dev, "disable streams %u:%#llx\n", pad, streams_mask);
+
/* Call the .disable_streams() operation. */
ret = v4l2_subdev_call(sd, pad, disable_streams, state, pad,
streams_mask);
- if (ret)
+ if (ret) {
+ dev_dbg(dev, "disable streams %u:%#llx failed: %d\n", pad,
+ streams_mask, ret);
goto done;
+ }
/* Mark the streams as disabled. */
for (i = 0; i < state->stream_configs.num_configs; ++i) {