diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-subdev.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index c6205c038b06..b273cf9ac047 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -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 { |