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Subject: media: subdev: Add debug prints to enable/disable_streams Author: Tomi Valkeinen <[email protected]> Date: Mon Jun 19 13:27:07 2023 +0200 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]> drivers/media/v4l2-core/v4l2-subdev.c | 14 ++++++++++++-- 1 file 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) { _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
