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path: root/drivers/media/v4l2-core/v4l2-subdev.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-subdev.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-subdev.c14
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) {