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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2023-06-19 13:27:07 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-08-10 07:58:38 +0200 |
| commit | 35a2991856ec3035ea3bd5dac3b199bb5a0ec9cb (patch) | |
| tree | 96a0c0c69e48440d0a4307a8f8a66dbbf0337d5a | |
| parent | bb05820e87dc81469efc7262149d2b945a28527a (diff) | |
| download | linux-stable-35a2991856ec3035ea3bd5dac3b199bb5a0ec9cb.tar.gz linux-stable-35a2991856ec3035ea3bd5dac3b199bb5a0ec9cb.tar.bz2 linux-stable-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 <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>
| -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) { |