Re: [PATCH 1/3] media: atmel-isc: Not support RBG format from sensor.

From: Hans Verkuil
Date: Mon Aug 21 2017 - 10:12:50 EST


On 08/17/2017 09:16 AM, Wenyou Yang wrote:
> The 12-bit parallel interface supports the Raw Bayer, YCbCr,
> Monochrome and JPEG Compressed pixel formats from the external
> sensor, not support RBG pixel format.
>
> Signed-off-by: Wenyou Yang <wenyou.yang@xxxxxxxxxxxxx>
> ---
>
> drivers/media/platform/atmel/atmel-isc.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c
> index d4df3d4ccd85..535bb03783fe 100644
> --- a/drivers/media/platform/atmel/atmel-isc.c
> +++ b/drivers/media/platform/atmel/atmel-isc.c
> @@ -1478,6 +1478,11 @@ static int isc_formats_init(struct isc_device *isc)
> while (!v4l2_subdev_call(subdev, pad, enum_mbus_code,
> NULL, &mbus_code)) {
> mbus_code.index++;
> +
> + /* Not support the RGB pixel formats from sensor */
> + if ((mbus_code.code & 0xf000) == 0x1000)
> + continue;

Am I missing something? Here you skip any RGB mediabus formats, but in patch 3/3
you add RGB mediabus formats. But this patch prevents those new formats from being
selected, right?

Regards,

Hans

> +
> fmt = find_format_by_code(mbus_code.code, &i);
> if (!fmt)
> continue;
>