Commit 35a29918 authored by Tomi Valkeinen's avatar Tomi Valkeinen Committed by Mauro Carvalho Chehab
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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: default avatarTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: default avatarJacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent bb05820e

drivers/media/v4l2-core/v4l2-subdev.c

+12 −2
Original line number Diff line number Diff line
@@ -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) {