From 95a188168b7af7b05e2fd5105c5c09da9a3e92ac Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Fri, 5 May 2023 13:57:29 +0200 Subject: media: Documentation: v4l: Document missing async subdev function MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Also v4l2_async_nf_add_fwnode() may be used to add an async sub-device descriptor to a notifier. Document this. Also remove a redundant sentence. Signed-off-by: Sakari Ailus Tested-by: Philipp Zabel # imx6qp Tested-by: Niklas Söderlund # rcar + adv746x Reviewed-by: Laurent Pinchart Tested-by: Aishwarya Kothari # Apalis i.MX6Q with TC358743 Tested-by: Lad Prabhakar # Renesas RZ/G2L SMARC Signed-off-by: Mauro Carvalho Chehab --- Documentation/driver-api/media/v4l2-subdev.rst | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'Documentation/driver-api/media/v4l2-subdev.rst') diff --git a/Documentation/driver-api/media/v4l2-subdev.rst b/Documentation/driver-api/media/v4l2-subdev.rst index 646bd00068be..e463ab4a3413 100644 --- a/Documentation/driver-api/media/v4l2-subdev.rst +++ b/Documentation/driver-api/media/v4l2-subdev.rst @@ -206,15 +206,11 @@ takes two arguments: a pointer to struct :c:type:`v4l2_device` and a pointer to struct :c:type:`v4l2_async_notifier`. Before registering the notifier, bridge drivers must do two things: first, the -notifier must be initialized using the :c:func:`v4l2_async_nf_init`. -Second, bridge drivers can then begin to form a list of subdevice descriptors -that the bridge device needs for its operation. Several functions are available -to add subdevice descriptors to a notifier, depending on the type of device and -the needs of the driver. - -:c:func:`v4l2_async_nf_add_fwnode_remote` and -:c:func:`v4l2_async_nf_add_i2c` are for bridge and ISP drivers for -registering their async sub-devices with the notifier. +notifier must be initialized using the :c:func:`v4l2_async_nf_init`. Second, +bridge drivers can then begin to form a list of subdevice descriptors that the +bridge device needs for its operation. :c:func:`v4l2_async_nf_add_fwnode`, +:c:func:`v4l2_async_nf_add_fwnode_remote` and :c:func:`v4l2_async_nf_add_i2c` +are available for that purpose. Asynchronous sub-device registration helper for camera sensor drivers ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -- cgit v1.2.3