linux-kernel - Re: [PATCH v2 2/9] [media] : v4l: add Mediatek compressed video block format

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Date:	Fri, 8 Jul 2016 12:18:38 +0200
From:	Hans Verkuil <hverkuil@...all.nl>
To:	Tiffany Lin <tiffany.lin@...iatek.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	daniel.thompson@...aro.org, Rob Herring <robh+dt@...nel.org>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Pawel Osciak <posciak@...omium.org>
Cc:	Eddie Huang <eddie.huang@...iatek.com>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
	linux-mediatek@...ts.infradead.org, PoChun.Lin@...iatek.com
Subject: Re: [PATCH v2 2/9] [media] : v4l: add Mediatek compressed video block
 format

On 05/12/2016 01:24 PM, Tiffany Lin wrote:
> Add V4L2_PIX_FMT_MT21 format used on MT8173 driver.
> It is compressed format and need MT8173 MDP driver to transfer to other 
> standard format.
> 
> Signed-off-by: Tiffany Lin <tiffany.lin@...iatek.com>
> ---
>  include/uapi/linux/videodev2.h |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 8f95191..52feea6 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -625,6 +625,7 @@ struct v4l2_pix_format {
>  #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
>  #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
>  #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
> +#define V4L2_PIX_FMT_MT21     v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */

v4l2-ioctl.c should be modified as well so the correct description string is filled in.

Regards,

	Hans

>  
>  /* SDR formats - used only for Software Defined Radio devices */
>  #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
>