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Subject[RFCv4 11/21] media: v4l2_fh: add request entity field
Date
Allow drivers to assign a request entity to v4l2_fh. This will be useful
for request-aware ioctls to find out which request entity to use.

Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
---
include/media/v4l2-fh.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h
index ea73fef8bdc0..f54cb319dd64 100644
--- a/include/media/v4l2-fh.h
+++ b/include/media/v4l2-fh.h
@@ -28,6 +28,7 @@

struct video_device;
struct v4l2_ctrl_handler;
+struct media_request_entity;

/**
* struct v4l2_fh - Describes a V4L2 file handler
@@ -43,6 +44,7 @@ struct v4l2_ctrl_handler;
* @navailable: number of available events at @available list
* @sequence: event sequence number
* @m2m_ctx: pointer to &struct v4l2_m2m_ctx
+ * @entity: the request entity this fh operates on behalf of
*/
struct v4l2_fh {
struct list_head list;
@@ -60,6 +62,7 @@ struct v4l2_fh {
#if IS_ENABLED(CONFIG_V4L2_MEM2MEM_DEV)
struct v4l2_m2m_ctx *m2m_ctx;
#endif
+ struct media_request_entity *entity;
};

/**
--
2.16.1.291.g4437f3f132-goog
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