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media: subdev: Add debug prints to enable/disable_streams

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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>
This commit is contained in:
Tomi Valkeinen
2023-06-19 13:27:07 +02:00
committed by Mauro Carvalho Chehab
parent bb05820e87
commit 35a2991856
1 changed files with 12 additions and 2 deletions
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14
drivers/media/v4l2-core/v4l2-subdev.c
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@@ -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) {