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| author | Tomi Valkeinen <[email protected]> | 2023-06-19 11:27:07 +0000 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2023-08-10 05:58:38 +0000 |
| commit | 35a2991856ec3035ea3bd5dac3b199bb5a0ec9cb (patch) | |
| tree | 96a0c0c69e48440d0a4307a8f8a66dbbf0337d5a /drivers/media/v4l2-core/v4l2-subdev.c | |
| parent | media: subdev: Constify v4l2_subdev_set_routing_with_fmt() param (diff) | |
| download | kernel-35a2991856ec3035ea3bd5dac3b199bb5a0ec9cb.tar.gz kernel-35a2991856ec3035ea3bd5dac3b199bb5a0ec9cb.zip | |
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 <[email protected]>
Reviewed-by: Jacopo Mondi <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-subdev.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 14 |
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) { |