Re: [PATCH] usb: gadget: uvc: Add H264 frame format support

[Greg Kroah-Hartman]

On Mon, Jul 08, 2024 at 09:43:28AM +0530, Akash Kumar wrote:
> Add support for framebased frame format which can be used to support
> multiple formats like H264 or H265 other than mjpeg and YUV frames.
> 
> Framebased format is set to H264 by default, which can be updated to
> other formats by updating the GUID through guid configfs attribute.
> 
> Signed-off-by: Akash Kumar <quic_akakum@xxxxxxxxxxx>
> ---
>  drivers/usb/gadget/function/uvc_configfs.c | 570 ++++++++++++++++++---
>  drivers/usb/gadget/function/uvc_configfs.h |  34 +-
>  drivers/usb/gadget/function/uvc_v4l2.c     |  80 ++-
>  include/uapi/linux/usb/video.h             |  62 +++
>  4 files changed, 638 insertions(+), 108 deletions(-)

DOn't you need to add the new configfs entries to Documentation/ABI/?

And how is anyone going to know about this new api or format if there
are not new files?  WHere is it now documented?

thanks,

greg k-h