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

[media] v4l: subdev: Add pad config allocator and init

Browse Source 
Add a new subdev operation to initialize a subdev pad config array, and
a helper function to allocate and initialize the array. This can be used
by bridge drivers to implement try format based on subdev pad
operations.

Signed-off-by: Laurent Pinchart <laurent.pinchart@linaro.org>
Acked-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart
2015-04-24 20:06:31 -03:00
committed by Mauro Carvalho Chehab
parent 45b46879a7
commit 9b02cbb3ed
2 changed files with 43 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/media/v4l2-subdev.h
View File

@@ -572,6 +572,7 @@ struct v4l2_subdev_pad_config {
/**
* struct v4l2_subdev_pad_ops - v4l2-subdev pad level operations
*
* @init_cfg: initialize the pad config to default values
* @enum_mbus_code: callback for VIDIOC_SUBDEV_ENUM_MBUS_CODE ioctl handler
* code.
* @enum_frame_size: callback for VIDIOC_SUBDEV_ENUM_FRAME_SIZE ioctl handler
@@ -607,6 +608,8 @@ struct v4l2_subdev_pad_config {
* may be adjusted by the subdev driver to device capabilities.
*/
struct v4l2_subdev_pad_ops {
int (*init_cfg)(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg);
int (*enum_mbus_code)(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code);
@@ -801,7 +804,12 @@ int v4l2_subdev_link_validate_default(struct v4l2_subdev *sd,
struct v4l2_subdev_format *source_fmt,
struct v4l2_subdev_format *sink_fmt);
int v4l2_subdev_link_validate(struct media_link *link);
struct v4l2_subdev_pad_config *
v4l2_subdev_alloc_pad_config(struct v4l2_subdev *sd);
void v4l2_subdev_free_pad_config(struct v4l2_subdev_pad_config *cfg);
#endif /* CONFIG_MEDIA_CONTROLLER */
void v4l2_subdev_init(struct v4l2_subdev *sd,
const struct v4l2_subdev_ops *ops);