Re: [PATCH 1/2] media: v4l UAPI: add V4L2_BUF_CAP_SUPPORTS_RO_REQUESTS

From: Tomasz Figa
Date: Thu Jun 18 2020 - 13:52:25 EST


Hi Yunfei,

On Wed, Jun 17, 2020 at 09:49:27AM +0800, Yunfei Dong wrote:
> This patch adds support for the V4L2_BUF_CAP_SUPPORTS_RO_REQUESTS
> flag. This flag is used for RO Request.

I think this patch series lacks two major things:
- a cover letter explaining the feature and what it is needed/useful
for,
- a user - is there an upstream driver which would implement this
feature and benefit from it?

Best regards,
Tomasz