samsung_sm8750/android_kernel_samsung_sm8750
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Revert "media: subdev: Add v4l2_subdev_is_streaming()"

Browse Source 
This reverts commit a64a102e01 which is
commit 5f3ce14fae742d1d23061c3122d93edb879ebf53 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I1a6143299ed8fea16154f6ca0c7e223b96846e2e
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2025-05-06 06:43:26 +00:00
parent 81a2d01c7e
commit 7c63c3455a
2 changed files with 0 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/media/v4l2-core/v4l2-subdev.c
View File

@@ -2240,31 +2240,6 @@ void v4l2_subdev_notify_event(struct v4l2_subdev *sd,
}
EXPORT_SYMBOL_GPL(v4l2_subdev_notify_event);
bool v4l2_subdev_is_streaming(struct v4l2_subdev *sd)
{
struct v4l2_subdev_state *state;
if (!v4l2_subdev_has_op(sd, pad, enable_streams))
return sd->s_stream_enabled;
if (!(sd->flags & V4L2_SUBDEV_FL_STREAMS))
return !!sd->enabled_pads;
state = v4l2_subdev_get_locked_active_state(sd);
for (unsigned int i = 0; i < state->stream_configs.num_configs; ++i) {
const struct v4l2_subdev_stream_config *cfg;
cfg = &state->stream_configs.configs[i];
if (cfg->enabled)
return true;
}
return false;
}
EXPORT_SYMBOL_GPL(v4l2_subdev_is_streaming);
int v4l2_subdev_get_privacy_led(struct v4l2_subdev *sd)
{
#if IS_REACHABLE(CONFIG_LEDS_CLASS)

13
include/media/v4l2-subdev.h
View File

@@ -1918,17 +1918,4 @@ extern const struct v4l2_subdev_ops v4l2_subdev_call_wrappers;
void v4l2_subdev_notify_event(struct v4l2_subdev *sd,
const struct v4l2_event *ev);
/**
* v4l2_subdev_is_streaming() - Returns if the subdevice is streaming
* @sd: The subdevice
*
* v4l2_subdev_is_streaming() tells if the subdevice is currently streaming.
* "Streaming" here means whether .s_stream() or .enable_streams() has been
* successfully called, and the streaming has not yet been disabled.
*
* If the subdevice implements .enable_streams() this function must be called
* while holding the active state lock.
*/
bool v4l2_subdev_is_streaming(struct v4l2_subdev *sd);
#endif /* _V4L2_SUBDEV_H */