From patchwork Thu Mar 23 11:41:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tretter X-Patchwork-Id: 666890 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 A031BC761AF for ; Thu, 23 Mar 2023 11:41:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231428AbjCWLlf (ORCPT ); Thu, 23 Mar 2023 07:41:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229615AbjCWLle (ORCPT ); Thu, 23 Mar 2023 07:41:34 -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 DDB6A19F20 for ; Thu, 23 Mar 2023 04:41:32 -0700 (PDT) Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1pfJJy-0007OB-9Q; Thu, 23 Mar 2023 12:41:30 +0100 From: Michael Tretter Subject: [PATCH 0/8] usb: gadget: uvc: fix errors reported by v4l2-compliance Date: Thu, 23 Mar 2023 12:41:09 +0100 Message-Id: <20230323-uvc-gadget-cleanup-v1-0-e41f0c5d9d8e@pengutronix.de> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIANU6HGQC/02OywqDMBBFf0Vm3UFNLMX+SukiE8c4UGLIQwTx3 xu76vLAPYd7QOIonODZHBB5kySrr9DfGrCL8Y5RpsqgOqU7rTSWzaIzk+OM9sPGl4DDg/phvBPP NEIVySRGisbb5VI977nNaxDblkR/gWsbIs+y/w683uf5BY+15COQAAAA To: Laurent Pinchart , Daniel Scally , Greg Kroah-Hartman Cc: Michael Grzeschik , linux-usb@vger.kernel.org, linux-media@vger.kernel.org, kernel@pengutronix.de, Michael Tretter X-Mailer: b4 0.11.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::54 X-SA-Exim-Mail-From: m.tretter@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 fixes various errors and warnings that are reported by v4l2-compliance for the v4l2 output device created by the UVC gadget. Most notably, it changes the driver to take the initial format from the configfs instead of using a hard coded value that might be rejected later in the SET_FORMAT call. Note that user space is still responsible for negotiating the format with the UVC host. Michael To: Laurent Pinchart To: Daniel Scally To: Greg Kroah-Hartman Cc: Michael Grzeschik Cc: linux-usb@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: kernel@pengutronix.de Signed-off-by: Michael Tretter --- Michael Tretter (8): usb: gadget: uvc: use fourcc printk helper usb: gadget: uvc: fix return code of REQBUFS usb: gadget: uvc: implement s/g_output ioctl usb: gadget: uvc: move video format initialization to uvc_v4l2 usb: gadget: uvc: initialize video format using configfs usb: gadget: uvc: try harder to find a valid format usb: gadget: uvc: add colorspace handling usb: gadget: uvc: implement s/g_parm drivers/usb/gadget/function/f_uvc.c | 2 + drivers/usb/gadget/function/uvc.h | 5 + drivers/usb/gadget/function/uvc_queue.c | 6 +- drivers/usb/gadget/function/uvc_v4l2.c | 235 ++++++++++++++++++++++++++++++-- drivers/usb/gadget/function/uvc_v4l2.h | 3 + drivers/usb/gadget/function/uvc_video.c | 5 - 6 files changed, 238 insertions(+), 18 deletions(-) --- base-commit: 8be174835f07b2c106b9961c0775486d06112a3c change-id: 20230323-uvc-gadget-cleanup-47b1495befb9 Best regards,