Re: [PATCHv5 02/12] media-ioc-g-topology.rst: document new 'index' field

2018-07-09 Thread Laurent Pinchart
Hi Hans,

Thank you for the patch.

On Friday, 29 June 2018 14:43:21 EEST Hans Verkuil wrote:
> From: Hans Verkuil 
> 
> Document the new struct media_v2_pad 'index' field.
> 
> Signed-off-by: Hans Verkuil 
> Acked-by: Sakari Ailus 
> ---
>  .../media/uapi/mediactl/media-ioc-g-topology.rst | 12 ++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
> b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst index
> a3f259f83b25..bae2b4db89cc 100644
> --- a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
> +++ b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
> @@ -176,7 +176,7 @@ desired arrays with the media graph elements.
>  *  -  struct media_v2_intf_devnode
> -  ``devnode``
> -  Used only for device node interfaces. See
> -   :c:type:`media_v2_intf_devnode` for details..
> +   :c:type:`media_v2_intf_devnode` for details.
> 
> 
>  .. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}|
> @@ -218,7 +218,15 @@ desired arrays with the media graph elements.
> -  Pad flags, see :ref:`media-pad-flag` for more details.
> 
>  *  -  __u32
> -   -  ``reserved``\ [5]
> +   -  ``index``
> +   -  Pad index, starts at 0. Only valid if
> ``MEDIA_V2_PAD_HAS_INDEX(media_version)`` + returns true. The
> ``media_version`` is defined in struct
> +   :c:type:`media_device_info` and can be retrieved using
> +   :ref:`MEDIA_IOC_DEVICE_INFO`. Pad indices are stable. If new pads are
> added
> +   for an entity in the future, then those will be added at the end.

Same comment as for 01/12, I don't think we need to care about backward 
compatibility as this API clearly could not have been used by application. 
Apart from that the documentation update looks good to me.

> +*  -  __u32
> +   -  ``reserved``\ [4]
> -  Reserved for future extensions. Drivers and applications must set
> this array to zero.

-- 
Regards,

Laurent Pinchart





[PATCHv5 02/12] media-ioc-g-topology.rst: document new 'index' field

2018-06-29 Thread Hans Verkuil
From: Hans Verkuil 

Document the new struct media_v2_pad 'index' field.

Signed-off-by: Hans Verkuil 
Acked-by: Sakari Ailus 
---
 .../media/uapi/mediactl/media-ioc-g-topology.rst | 12 ++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst 
b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
index a3f259f83b25..bae2b4db89cc 100644
--- a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
+++ b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
@@ -176,7 +176,7 @@ desired arrays with the media graph elements.
 *  -  struct media_v2_intf_devnode
-  ``devnode``
-  Used only for device node interfaces. See
- :c:type:`media_v2_intf_devnode` for details..
+ :c:type:`media_v2_intf_devnode` for details.
 
 
 .. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}|
@@ -218,7 +218,15 @@ desired arrays with the media graph elements.
-  Pad flags, see :ref:`media-pad-flag` for more details.
 
 *  -  __u32
-   -  ``reserved``\ [5]
+   -  ``index``
+   -  Pad index, starts at 0. Only valid if 
``MEDIA_V2_PAD_HAS_INDEX(media_version)``
+ returns true. The ``media_version`` is defined in struct
+ :c:type:`media_device_info` and can be retrieved using
+ :ref:`MEDIA_IOC_DEVICE_INFO`. Pad indices are stable. If new pads are 
added
+ for an entity in the future, then those will be added at the end.
+
+*  -  __u32
+   -  ``reserved``\ [4]
-  Reserved for future extensions. Drivers and applications must set
  this array to zero.
 
-- 
2.17.0