From patchwork Thu Mar 23 11:41:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tretter X-Patchwork-Id: 666888 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 AB739C76195 for ; Thu, 23 Mar 2023 11:41:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231532AbjCWLlj (ORCPT ); Thu, 23 Mar 2023 07:41:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231340AbjCWLlf (ORCPT ); Thu, 23 Mar 2023 07:41:35 -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 5F77519F20 for ; Thu, 23 Mar 2023 04:41:34 -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 1pfJJz-0007OB-Oi; Thu, 23 Mar 2023 12:41:31 +0100 From: Michael Tretter Date: Thu, 23 Mar 2023 12:41:12 +0100 Subject: [PATCH 4/8] usb: gadget: uvc: move video format initialization to uvc_v4l2 MIME-Version: 1.0 Message-Id: <20230323-uvc-gadget-cleanup-v1-4-e41f0c5d9d8e@pengutronix.de> References: <20230323-uvc-gadget-cleanup-v1-0-e41f0c5d9d8e@pengutronix.de> In-Reply-To: <20230323-uvc-gadget-cleanup-v1-0-e41f0c5d9d8e@pengutronix.de> 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 Move the setup of the initial video format to uvc_v4l2.c that handles all the format negotiation. This keeps all format setup and configuration code in uvc_v4l2.c and avoids scattering the format setup across multiple files. Furthermore, it allows to setup the default format using the format configured in the configfs. Signed-off-by: Michael Tretter --- drivers/usb/gadget/function/f_uvc.c | 2 ++ drivers/usb/gadget/function/uvc_v4l2.c | 11 +++++++++++ drivers/usb/gadget/function/uvc_v4l2.h | 3 +++ drivers/usb/gadget/function/uvc_video.c | 5 ----- 4 files changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index 5e919fb65833..a16c8f80a50a 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -434,6 +434,8 @@ uvc_register_video(struct uvc_device *uvc) struct usb_composite_dev *cdev = uvc->func.config->cdev; int ret; + uvc_init_default_format(uvc); + /* TODO reference counting. */ memset(&uvc->vdev, 0, sizeof(uvc->vdev)); uvc->vdev.v4l2_dev = &uvc->v4l2_dev; diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c index 4b8bf94e06fc..5620546eb43b 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.c +++ b/drivers/usb/gadget/function/uvc_v4l2.c @@ -130,6 +130,17 @@ static struct uvcg_format *find_format_by_pix(struct uvc_device *uvc, return uformat; } +void uvc_init_default_format(struct uvc_device *uvc) +{ + struct uvc_video *video = &uvc->video; + + video->fcc = V4L2_PIX_FMT_YUYV; + video->bpp = 16; + video->width = 320; + video->height = 240; + video->imagesize = 320 * 240 * 2; +} + static struct uvcg_frame *find_closest_frame_by_size(struct uvc_device *uvc, struct uvcg_format *uformat, u16 rw, u16 rh) diff --git a/drivers/usb/gadget/function/uvc_v4l2.h b/drivers/usb/gadget/function/uvc_v4l2.h index 1576005b61fd..5c3a97de0776 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.h +++ b/drivers/usb/gadget/function/uvc_v4l2.h @@ -16,4 +16,7 @@ extern const struct v4l2_ioctl_ops uvc_v4l2_ioctl_ops; extern const struct v4l2_file_operations uvc_v4l2_fops; +struct uvc_device; +void uvc_init_default_format(struct uvc_device *uvc); + #endif /* __UVC_V4L2_H__ */ diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index dd1c6b2ca7c6..27ff9ef49e16 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -516,11 +516,6 @@ int uvcg_video_init(struct uvc_video *video, struct uvc_device *uvc) return -EINVAL; video->uvc = uvc; - video->fcc = V4L2_PIX_FMT_YUYV; - video->bpp = 16; - video->width = 320; - video->height = 240; - video->imagesize = 320 * 240 * 2; /* Initialize the video buffers queue. */ uvcg_queue_init(&video->queue, uvc->v4l2_dev.dev->parent,