From patchwork Fri Sep 9 22:13:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Grzeschik X-Patchwork-Id: 12972314 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 255F0C6FA86 for ; Fri, 9 Sep 2022 22:13:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229767AbiIIWNr (ORCPT ); Fri, 9 Sep 2022 18:13:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230174AbiIIWNo (ORCPT ); Fri, 9 Sep 2022 18:13:44 -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 9868590C58 for ; Fri, 9 Sep 2022 15:13:41 -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 1oWmFn-000175-8v; Sat, 10 Sep 2022 00:13:39 +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 1oWmFk-004tqr-94; Sat, 10 Sep 2022 00:13:38 +0200 Received: from mgr by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1oWmFl-0005tO-2m; Sat, 10 Sep 2022 00:13:37 +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 v2 0/4] usb: gadget: uvc: parse configfs entries and implement v4l2 enum api calls Date: Sat, 10 Sep 2022 00:13:31 +0200 Message-Id: <20220909221335.15033-1-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-usb@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@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