From patchwork Wed Nov 25 12:37:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Konovalov X-Patchwork-Id: 11931293 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DAB9C64E75 for ; Wed, 25 Nov 2020 12:38:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA9A620715 for ; Wed, 25 Nov 2020 12:38:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="ZZIbH44H" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729380AbgKYMh4 (ORCPT ); Wed, 25 Nov 2020 07:37:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726654AbgKYMh4 (ORCPT ); Wed, 25 Nov 2020 07:37:56 -0500 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0D58C0613D4 for ; Wed, 25 Nov 2020 04:37:40 -0800 (PST) Received: by mail-lj1-x241.google.com with SMTP id b17so2083986ljf.12 for ; Wed, 25 Nov 2020 04:37:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=52E/kGckX47/YFVLHUCD+7iLeZo5CiFQYz7tFvrv0pM=; b=ZZIbH44H1Bk5JfpCWGFPENkd779/Q0CUuAmhZGycRsJVw0N+Kk6HOsq3EnffMgwBJk 9WBvN0E8LMcpSxfmzJHURfuGjK9nsF2iZ2IsiTCNEWc9X/cIw6Tzbsl0Pnqj6tcp+MAA MShDBOPG7gjdIpvBD0NkcazqCSsIsgNaKIUUBUajLohuIYcJCy/3leIJjGa+wEeX4ZyE vwjs+NTxG7KQjZSmE4t1LicMVfbQq7xgJ4IvW0c8ZU7gBboHg9Ng8/iCiDsBH3VrlTXH 2NB4+7vc9xa8sKZT8szL/Z4EMKGVjPNsdjx2UFSQmKu8mlUJYvdk7TqIkI8U0yao1hAp J34Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=52E/kGckX47/YFVLHUCD+7iLeZo5CiFQYz7tFvrv0pM=; b=JfGzLfopXbMq2m1aB76A6IfbAr34irxBGfYJ/RiuxyznHtVX1sMxOOmywvJN251nUj UjobtUxO0/nLsVi6ul57zXppwUNaDO6AFSzXs1AVaGt21v1U+nLBE1fv4CaqQrfjlmHr cDMZ/v634a81Oph/wBlwmDPlmXtl0+Lr5MXYKuH88LVOV1xkU0Y6RYFrfMJdMcC3OwnY tWDkuS9mjilHA3+aZOjAbGwz7G9B2bDsTAmkS2Q+vYCcx7c3/O1gZNnhpraQaDTBhnfp 5QoncEnz8KNBhaeeSGQVpI5DTOiE3I8Wx6zOt0tMxyTIpc1uYfKmcpfYNdUqtWMRYJfc KKgw== X-Gm-Message-State: AOAM5330Yl5H4vuvYSsghrHnaMjr38DvI6BWX5Qjqi/ep0HnKL2CtX0F YBTWMQC3k92sDDzSMhoONhFy6A== X-Google-Smtp-Source: ABdhPJwxt3kMo26KgOWuDlpVa0JPk367ybLv9TNo6pT3rAqQEvZFy/fcEeojmZLMIpRdz48kLb3vYA== X-Received: by 2002:a2e:9550:: with SMTP id t16mr1224617ljh.117.1606307859184; Wed, 25 Nov 2020 04:37:39 -0800 (PST) Received: from localhost.localdomain ([85.249.45.205]) by smtp.googlemail.com with ESMTPSA id z8sm230261ljh.74.2020.11.25.04.37.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Nov 2020 04:37:38 -0800 (PST) From: Andrey Konovalov To: mchehab@kernel.org, robert.foss@linaro.org Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, peter.griffin@linaro.org, Andrey Konovalov Subject: [PATCH 2/2] media: camss: Make use of V4L2_CAP_IO_MC Date: Wed, 25 Nov 2020 15:37:10 +0300 Message-Id: <20201125123710.28491-2-andrey.konovalov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201125123710.28491-1-andrey.konovalov@linaro.org> References: <20201125123710.28491-1-andrey.konovalov@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Implement mbus_code filtering for format enumeration. Without this patch libcamera errors out with: "ERROR V4L2 v4l2_videodevice.cpp:982 /dev/video0[cap]: Media bus code filtering not supported by the device" This is the second version of this change which handles the case of several pixel formats corresponding to one media bus format correctly. Signed-off-by: Andrey Konovalov Reviewed-by: Robert Foss --- drivers/media/platform/qcom/camss/camss-video.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-video.c b/drivers/media/platform/qcom/camss/camss-video.c index 20673de9020e..60737b771d52 100644 --- a/drivers/media/platform/qcom/camss/camss-video.c +++ b/drivers/media/platform/qcom/camss/camss-video.c @@ -539,6 +539,7 @@ static int video_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) { struct camss_video *video = video_drvdata(file); int i, j, k; + u32 mcode = f->mbus_code; if (f->type != video->type) return -EINVAL; @@ -549,7 +550,12 @@ static int video_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) /* find index "i" of "k"th unique pixelformat in formats array */ k = -1; for (i = 0; i < video->nformats; i++) { + if (mcode != 0 && video->formats[i].code != mcode) + continue; + for (j = 0; j < i; j++) { + if (mcode != 0 && video->formats[j].code != mcode) + continue; if (video->formats[i].pixelformat == video->formats[j].pixelformat) break; @@ -948,8 +954,8 @@ int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev, } vdev->fops = &msm_vid_fops; - vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_STREAMING | - V4L2_CAP_READWRITE; + vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_STREAMING + | V4L2_CAP_READWRITE | V4L2_CAP_IO_MC; vdev->ioctl_ops = &msm_vid_ioctl_ops; vdev->release = msm_video_release; vdev->v4l2_dev = v4l2_dev;