From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08D03C54EE9 for ; Wed, 7 Sep 2022 14:03:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229884AbiIGODr (ORCPT ); Wed, 7 Sep 2022 10:03:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229948AbiIGODo (ORCPT ); Wed, 7 Sep 2022 10:03:44 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 010097AC2B for ; Wed, 7 Sep 2022 07:03:43 -0700 (PDT) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oVveX-0004hj-Q0; Wed, 07 Sep 2022 16:03:41 +0200 Received: from mgr by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1oVveX-0003al-GV; Wed, 07 Sep 2022 16:03:41 +0200 Date: Wed, 7 Sep 2022 16:03:41 +0200 From: Michael Grzeschik To: Greg KH Cc: linux-usb@vger.kernel.org, linux-media@vger.kernel.org, balbi@kernel.org, laurent.pinchart@ideasonboard.com, paul.elder@ideasonboard.com, kernel@pengutronix.de, nicolas@ndufresne.ca, kieran.bingham@ideasonboard.com Subject: Re: [RESEND v7 0/4] usb: gadget: uvc: use configfs entries for negotiation and v4l2 VIDIOCS Message-ID: <20220907140341.GC18739@pengutronix.de> References: <20220608105748.139922-1-m.grzeschik@pengutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="uXxzq0nDebZQVNAZ" Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: mgr@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org --uXxzq0nDebZQVNAZ Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 gen= eric >> 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 sc= heme >> files. >> >> [2] https://github.com/linux-usb-gadgets/libusbgx/pull/61/commits/53231c= 76f9d512f59fdc23b65cd5c46b7fb09eb4 >> >> [3] https://github.com/linux-usb-gadgets/gt/tree/master/examples/systemd >> >> The bigger picture of these patches is to provide a more versatile inter= face to >> the uvc gadget. The goal is to simply start a uvc-gadget with the follow= ing >> 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. Regards, Michael --=20 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 | --uXxzq0nDebZQVNAZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEElXvEUs6VPX6mDPT8C+njFXoeLGQFAmMYpLoACgkQC+njFXoe LGS1aA/6AqiMK4xjbdP6FpioTR2k9e44hI5dpUlr1QYZk+RwYSCpvvESNB2vIaM5 kauDtintQsHVLnZcob0z0sdDYhqu7HryhekSVdfDW+CtfMog+RgQJsKTuhCpiQ/4 2szX2s6rNuF0eRMHCOMiYFOret5ypaTSw5Oiq3GkAn8w1vluruZj8cP1NcRFr//w u15jrZVPar/pZTVZdFuw1ei+OPheb+2rPJpaW5FhlaHJV21BGBwTmJRecjX9RrhU dJLiaWix46kH450GntLehALeiSTHl0fZkwlRz7NjZuxl8RV50hQkWXntCu0O/E2s 9HqiyTzVZdtnIuaaayKomt7RKm7UQk71h+X4mcm7iGrwgHyGXqijr3Sgc3TSuPcp 8zxo0K7mLsAd1IVAxOv8u+RjmNp4EKk8ILoKn+Zy1XOucDHAd+QaihRmx68EKmFv +MnGZP/ASv0iFVQmJdGZqhbXM+9aeecTB6nmtVQoC9etZjt9VP2M+hZSKJ2lv9IO zsiIaxfCDUkF0KUn/xej32rYdaUlMlDQswxiF+du2k9OWBKX4RX+Xkl5Q9vCi9ph 8XmF6O83Z5T/FI05w9c84H6YBYWZMK1JiotBPHH0cSq8VZnBWoMBLri13Hwl0gF6 OF9LYCtI8LGmZjbdxiECo8TsE8gdTBFv1U2C3sogVvFVQruAC8A= =4VDN -----END PGP SIGNATURE----- --uXxzq0nDebZQVNAZ--