Re: [RESEND v7 0/4] usb: gadget: uvc: use configfs entries for negotiation and v4l2 VIDIOCS

Michael Grzeschik
2022-09-07T14:30:47Z

[-- Attachment #1: Type: text/plain, Size: 2181 bytes --]

On Wed, Sep 07, 2022 at 04:09:52PM +0200, Greg KH wrote:
>On Wed, Sep 07, 2022 at 04:03:41PM +0200, Michael Grzeschik wrote:
>> On Wed, Sep 07, 2022 at 03:28:54PM +0200, Greg KH wrote:
>> > On Wed, Jun 08, 2022 at 12:57:44PM +0200, Michael Grzeschik wrote:
>> > > This series improves the uvc video gadget by parsing the configfs
>> > > entries. With the configfs data, the driver now is able to negotiate the
>> > > format with the usb host in the kernel and also exports the supported
>> > > frames/formats/intervals via the v4l2 VIDIOC interface.
>> > >
>> > > The uvc userspace stack is also under development. One example is an generic
>> > > v4l2uvcsink gstreamer elemnt, which is currently under discussion. [1]
>> > >
>> > > [1] https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1304
>> > >
>> > > With the libusbgx library [1] used by the gadget-tool [2] it is now also
>> > > possible to fully describe the configfs layout of the uvc gadget with scheme
>> > > files.
>> > >
>> > > [2] https://github.com/linux-usb-gadgets/libusbgx/pull/61/commits/53231c76f9d512f59fdc23b65cd5c46b7fb09eb4
>> > >
>> > > [3] https://github.com/linux-usb-gadgets/gt/tree/master/examples/systemd
>> > >
>> > > The bigger picture of these patches is to provide a more versatile interface to
>> > > the uvc gadget. The goal is to simply start a uvc-gadget with the following
>> > > commands:
>> > >
>> > > $ gt load uvc.scheme
>> > > $ gst-launch v4l2src ! v4l2uvcsink
>> >
>> > v4l developers, given a lack of review response to this series, I'm
>> > assuming that you all have no objection to this series and I can take it
>> > through my usb-next tree.
>>
>> Since this will not apply anymore, I just send v8 with some minor
>> changes.
>
>Thanks, I'll take that series now.

Skip this v8 please. I will have to fix first.

--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]