summaryrefslogtreecommitdiffstats
path: root/include/media/v4l2-subdev.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2024-11-20 14:01:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2024-11-20 14:01:15 -0800
commit9f5a6a1fe690a43896e0235377c7eb0b657c05a9 (patch)
tree72a90002f59b59e2287851407ed5fb97dbcba5b4 /include/media/v4l2-subdev.h
parentb57807cbbf36f17448cdb42e69a949aa76605440 (diff)
parent72ad4ff638047bbbdf3232178fea4bec1f429319 (diff)
downloadlinux-9f5a6a1fe690a43896e0235377c7eb0b657c05a9.tar.gz
linux-9f5a6a1fe690a43896e0235377c7eb0b657c05a9.tar.bz2
linux-9f5a6a1fe690a43896e0235377c7eb0b657c05a9.zip
Merge tag 'media/v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - removal of the old omap4iss media driver - mantis: remove orphan mantis_core.h - add support for Raspberypi CFE - uvc driver got a co-maintainer - main media tree moved to git://linuxtv.org/media.git - lots of driver cleanups, updates and fixes * tag 'media/v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (233 commits) docs: media: update location of the media patches MAINTAINERS: update location of media main tree media: MAINTAINERS: Add Hans de Goede as USB VIDEO CLASS co-maintainer media: platform: samsung: s5p-jpeg: Remove deadcode media: qcom: camss: Add MSM8953 resources media: dt-bindings: Add qcom,msm8953-camss media: qcom: camss: implement pm domain ops for VFE v4.1 media: platform: exynos4-is: Fix an OF node reference leak in fimc_md_is_isp_available media: adv7180: Also check for "adi,force-bt656-4" media: dt-bindings: adv7180: Document 'adi,force-bt656-4' media: mgb4: Fix inconsistent input/output alignment in loopback mode media: replace obsolete hans.verkuil@cisco.com alias Documentation: media: improve V4L2_CID_MIN_BUFFERS_FOR_*, doc media: vicodec: add V4L2_CID_MIN_BUFFERS_FOR_* controls media: atomisp: Add check for rgby_data memory allocation failure media: atomisp: remove redundant re-checking of err media: atomisp: Fix spelling errors reported by codespell media: atomisp: Remove License information boilerplate media: atomisp: Fix typos in comment media: atomisp: hmm_bo: Fix spelling errors in hmm_bo.h ...
Diffstat (limited to 'include/media/v4l2-subdev.h')
-rw-r--r--include/media/v4l2-subdev.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 8daa0929865c..2f2200875b03 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -450,8 +450,9 @@ enum v4l2_subdev_pre_streamon_flags {
* already started or stopped subdev. Also see call_s_stream wrapper in
* v4l2-subdev.c.
*
- * New drivers should instead implement &v4l2_subdev_pad_ops.enable_streams
- * and &v4l2_subdev_pad_ops.disable_streams operations, and use
+ * This callback is DEPRECATED. New drivers should instead implement
+ * &v4l2_subdev_pad_ops.enable_streams and
+ * &v4l2_subdev_pad_ops.disable_streams operations, and use
* v4l2_subdev_s_stream_helper for the &v4l2_subdev_video_ops.s_stream
* operation to support legacy users.
*
@@ -833,11 +834,19 @@ struct v4l2_subdev_state {
* v4l2_subdev_init_finalize() at initialization time). Do not call
* directly, use v4l2_subdev_enable_streams() instead.
*
+ * Drivers that support only a single stream without setting the
+ * V4L2_SUBDEV_CAP_STREAMS sub-device capability flag can ignore the mask
+ * argument.
+ *
* @disable_streams: Disable the streams defined in streams_mask on the given
* source pad. Subdevs that implement this operation must use the active
* state management provided by the subdev core (enabled through a call to
* v4l2_subdev_init_finalize() at initialization time). Do not call
* directly, use v4l2_subdev_disable_streams() instead.
+ *
+ * Drivers that support only a single stream without setting the
+ * V4L2_SUBDEV_CAP_STREAMS sub-device capability flag can ignore the mask
+ * argument.
*/
struct v4l2_subdev_pad_ops {
int (*enum_mbus_code)(struct v4l2_subdev *sd,
@@ -1676,6 +1685,8 @@ int v4l2_subdev_routing_validate(struct v4l2_subdev *sd,
* function implements a best-effort compatibility by calling the .s_stream()
* operation, limited to subdevs that have a single source pad.
*
+ * Drivers that are not stream-aware shall set @streams_mask to BIT_ULL(0).
+ *
* Return:
* * 0: Success
* * -EALREADY: One of the streams in streams_mask is already enabled
@@ -1706,6 +1717,8 @@ int v4l2_subdev_enable_streams(struct v4l2_subdev *sd, u32 pad,
* function implements a best-effort compatibility by calling the .s_stream()
* operation, limited to subdevs that have a single source pad.
*
+ * Drivers that are not stream-aware shall set @streams_mask to BIT_ULL(0).
+ *
* Return:
* * 0: Success
* * -EALREADY: One of the streams in streams_mask is not enabled