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[media] v4l2-subdev: add remaining argument descriptions

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Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'ioctl'
Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'compat_ioctl32'
Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'subscribe_event'
Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'unsubscribe_event'
Warning(.//include/media/v4l2-subdev.h:273): No description found for parameter 's_stream'
Warning(.//include/media/v4l2-subdev.h:407): No description found for parameter 's_stream'
Warning(.//include/media/v4l2-subdev.h:623): No description found for parameter 'link_validate'
Warning(.//include/media/v4l2-subdev.h:623): No description found for parameter 'set_frame_desc'

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2015-08-22 06:59:26 -03:00
parent e44cc20a1d
commit 1d8955b2c3
1 changed files with 21 additions and 1 deletions
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22
include/media/v4l2-subdev.h
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@ -157,6 +157,12 @@ struct v4l2_subdev_io_pin_config {
*
* @querymenu: callback for VIDIOC_QUERYMENU ioctl handler code.
*
* @ioctl: called at the end of ioctl() syscall handler at the V4L2 core.
* used to provide support for private ioctls used on the driver.
*
* @compat_ioctl32: called when a 32 bits application uses a 64 bits Kernel,
* in order to fix data passed from/to userspace.
*
* @g_register: callback for VIDIOC_G_REGISTER ioctl handler code.
*
* @s_register: callback for VIDIOC_G_REGISTER ioctl handler code.
@ -168,6 +174,11 @@ struct v4l2_subdev_io_pin_config {
* handler, when an interrupt status has be raised due to this subdev,
* so that this subdev can handle the details. It may schedule work to be
* performed later. It must not sleep. *Called from an IRQ context*.
*
* @subscribe_event: used by the drivers to request the control framework that
* for it to be warned when the value of a control changes.
*
* @unsubscribe_event: remove event subscription from the control framework.
*/
struct v4l2_subdev_core_ops {
int (*log_status)(struct v4l2_subdev *sd);
@ -264,6 +275,9 @@ struct v4l2_subdev_tuner_ops {
* board or platform it might be connected to something else entirely.
* The calling driver is responsible for mapping a user-level input to
* the right pins on the i2c device.
*
* @s_stream: used to notify the audio code that stream will start or has
* stopped.
*/
struct v4l2_subdev_audio_ops {
int (*s_clock_freq)(struct v4l2_subdev *sd, u32 freq);
@ -339,6 +353,9 @@ struct v4l2_mbus_frame_desc {
* @g_input_status: get input status. Same as the status field in the v4l2_input
* struct.
*
* @s_stream: used to notify the driver that a video stream will start or has
* stopped.
*
* @cropcap: callback for VIDIOC_CROPCAP ioctl handler code.
*
* @g_crop: callback for VIDIOC_G_CROP ioctl handler code.
@ -578,9 +595,12 @@ struct v4l2_subdev_pad_config {
* @enum_dv_timings: callback for VIDIOC_SUBDEV_ENUM_DV_TIMINGS ioctl handler
* code.
*
* @link_validate: used by the media controller code to check if the links
* that belongs to a pipeline can be used for stream.
*
* @get_frame_desc: get the current low level media bus frame parameters.
*
* @get_frame_desc: set the low level media bus frame parameters, @fd array
* @set_frame_desc: set the low level media bus frame parameters, @fd array
* may be adjusted by the subdev driver to device capabilities.
*/
struct v4l2_subdev_pad_ops {