[PATCH 1/2] meida: uapi: add MEDIA_BUS_FMT_METADATA_FIXED media bus format.

[Hans Verkuil]

On 14/10/2020 22:40, Helen Koike wrote:
> 
> 
> On 9/22/20 1:58 PM, Dafna Hirschfeld wrote:
>> MEDIA_BUS_FMT_METADATA_FIXED should be used when
>> the same driver handles both sides of the link and
>> the bus format is a fixed metadata format that is
>> not configurable from userspace.
>>
>> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld at collabora.com>
> 
> Acked-by: Helen Koike <helen.koike at collabora.com>
> 
> Thanks
> Helen
> 
>> ---
>>  include/uapi/linux/media-bus-format.h | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>> diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h
>> index 84fa53ffb13f..847b45fb546b 100644
>> --- a/include/uapi/linux/media-bus-format.h
>> +++ b/include/uapi/linux/media-bus-format.h
>> @@ -156,4 +156,12 @@
>>  /* HSV - next is	0x6002 */
>>  #define MEDIA_BUS_FMT_AHSV8888_1X32		0x6001
>>  
>> +/*
>> + * This format should be used when the same driver handles
>> + * both sides of the link and the bus format is a fixed
>> + * metadata format that is not configurable from userspace.
>> + * This format may have 0 height and width.

I would make this stronger:

"Width and height will be set to 0 for this format."

Regards,

	Hans

>> + */
>> +#define MEDIA_BUS_FMT_METADATA_FIXED		0x7001
>> +
>>  #endif /* __LINUX_MEDIA_BUS_FORMAT_H */
>>