From patchwork Fri Sep 9 19:16:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Grzeschik X-Patchwork-Id: 12972057 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 C6F23ECAAA1 for ; Fri, 9 Sep 2022 19:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229651AbiIITQg (ORCPT ); Fri, 9 Sep 2022 15:16:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229478AbiIITQf (ORCPT ); Fri, 9 Sep 2022 15:16:35 -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 23B6413B134 for ; Fri, 9 Sep 2022 12:16:33 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oWjUM-0005ix-SJ; Fri, 09 Sep 2022 21:16:30 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1oWjUK-004sQJ-1A; Fri, 09 Sep 2022 21:16:29 +0200 Received: from mgr by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1oWjUK-00HZkD-TC; Fri, 09 Sep 2022 21:16:28 +0200 From: Michael Grzeschik To: linux-usb@vger.kernel.org Cc: 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: [PATCH v1 0/4] usb: gadget: uvc: parse configfs entries and implement v4l2 enum api calls Date: Fri, 9 Sep 2022 21:16:23 +0200 Message-Id: <20220909191627.4188908-1-m.grzeschik@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 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 This series improves the uvc video gadget by parsing the configfs entries. With the configfs data, the userspace now is able to use simple v4l2 api calls like enum and try_format to check for valid configurations initially set by configfs. Michael Grzeschik (4): media: v4l: move helper functions for fractions from uvc to v4l2-common media: uvcvideo: move uvc_format_desc to common header usb: gadget: uvc: add v4l2 enumeration api calls usb: gadget: uvc: add v4l2 try_format api call drivers/media/usb/uvc/uvc_ctrl.c | 1 + drivers/media/usb/uvc/uvc_driver.c | 290 +------------------- drivers/media/usb/uvc/uvc_v4l2.c | 14 +- drivers/media/usb/uvc/uvcvideo.h | 147 ---------- drivers/media/v4l2-core/v4l2-common.c | 86 ++++++ drivers/usb/gadget/function/f_uvc.c | 30 +++ drivers/usb/gadget/function/uvc.h | 2 + drivers/usb/gadget/function/uvc_v4l2.c | 286 ++++++++++++++++++++ include/media/v4l2-common.h | 4 + include/media/v4l2-uvc.h | 359 +++++++++++++++++++++++++ 10 files changed, 776 insertions(+), 443 deletions(-) create mode 100644 include/media/v4l2-uvc.h