linux-kernel - Re: [PATCH v2] Documentation: media: *

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Date:   Thu, 24 Oct 2019 16:33:33 +0300
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     Ricardo Ribalda Delgado <ribalda@...nel.org>
Cc:     hverkuil-cisco@...all.nl, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Documentation: media: *_DEFAULT targets for subdevs

Hi Ricardo,

On Thu, Oct 24, 2019 at 02:35:25PM +0200, Ricardo Ribalda Delgado wrote:
> Some sensors have optical blanking areas, this is, pixels that are
> painted and do not account for light, only noise.
> 
> These special pixels are very useful for calibrating the sensor, but
> should not be displayed on a DEFAULT target.
> 
> Signed-off-by: Ricardo Ribalda Delgado <ribalda@...nel.org>
> ---
> 
> v2: Changes by Sakari Ailus <sakari.ailus@...ux.intel.com>
> 
> Only change CROP_DEFAULT
> 
>  Documentation/media/uapi/v4l/v4l2-selection-targets.rst | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/media/uapi/v4l/v4l2-selection-targets.rst b/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
> index f74f239b0510..41c6674ec283 100644
> --- a/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
> +++ b/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
> @@ -38,8 +38,10 @@ of the two interfaces they are used.
>      * - ``V4L2_SEL_TGT_CROP_DEFAULT``
>        - 0x0001
>        - Suggested cropping rectangle that covers the "whole picture".
> +        This includes only active pixels and excludes other non-active
> +        pixels such as black pixels.
> +      - Yes
>        - Yes
> -      - No
>      * - ``V4L2_SEL_TGT_CROP_BOUNDS``
>        - 0x0002
>        - Bounds of the crop rectangle. All valid crop rectangles fit inside
> @@ -61,7 +63,7 @@ of the two interfaces they are used.
>        - 0x0101
>        - Suggested composition rectangle that covers the "whole picture".
>        - Yes
> -      - No
> +      - Yes

This is COMPOSE_DEFAULT that wasn't meant to be changed. So with this chunk
dropped,

Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>

>      * - ``V4L2_SEL_TGT_COMPOSE_BOUNDS``
>        - 0x0102
>        - Bounds of the compose rectangle. All valid compose rectangles fit

-- 
Sakari Ailus
sakari.ailus@...ux.intel.com