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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-04-18 23:35:27 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-10-31 07:30:12 +0100 |
| commit | b1cbab05d9adbd8d6d7afc822b809c5d47c46f94 (patch) | |
| tree | 9e8bb902c061e66cc47a659a51ddca4cd2cce727 /include | |
| parent | [media] imx074: fix error handling for failed async subdevice registration (diff) | |
| download | linux-b1cbab05d9adbd8d6d7afc822b809c5d47c46f94.tar.xz linux-b1cbab05d9adbd8d6d7afc822b809c5d47c46f94.zip | |
[media] V4L2: add a common V4L2 subdevice platform data type
This struct shall be used by subdevice drivers to pass per-subdevice data,
e.g. power supplies, to generic V4L2 methods, at the same time allowing
optional host-specific extensions via the host_priv pointer. To avoid
having to pass two pointers to those methods, add a pointer to this new
struct to struct v4l2_subdev.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/v4l2-subdev.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 46768eed7464..27b28506f749 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -559,6 +559,17 @@ struct v4l2_subdev_internal_ops { /* Set this flag if this subdev generates events. */ #define V4L2_SUBDEV_FL_HAS_EVENTS (1U << 3) +struct regulator_bulk_data; + +struct v4l2_subdev_platform_data { + /* Optional regulators uset to power on/off the subdevice */ + struct regulator_bulk_data *regulators; + int num_regulators; + + /* Per-subdevice data, specific for a certain video host device */ + void *host_priv; +}; + /* Each instance of a subdev driver should create this struct, either stand-alone or embedded in a larger struct. */ @@ -592,6 +603,8 @@ struct v4l2_subdev { struct v4l2_async_subdev *asd; /* Pointer to the managing notifier. */ struct v4l2_async_notifier *notifier; + /* common part of subdevice platform data */ + struct v4l2_subdev_platform_data *pdata; }; #define media_entity_to_v4l2_subdev(ent) \ |