From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 EBEC0C49ED7 for ; Fri, 20 Sep 2019 17:04:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0EEE208C0 for ; Fri, 20 Sep 2019 17:04:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="toP3JzSo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406140AbfITREd (ORCPT ); Fri, 20 Sep 2019 13:04:33 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:44090 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405861AbfITREB (ORCPT ); Fri, 20 Sep 2019 13:04:01 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id x8KH40HF034523; Fri, 20 Sep 2019 12:04:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1568999040; bh=OLs9Fx+GP/vAxHao2KgOcZ0fVrXqa+C7LZLUsbdEznM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=toP3JzSouwjMzbFzz6mDuAAaQAbM2Dj3rK+9vA2i/spUhwah9TQ3xO/g/egW8lv7d nqzfd27WcQKioh5+BHN8AmyguWNLEBz9pKVsIQAlqbE9wtdqtv7uC7cACPH8Cw+m56 Zj1YL73O+q3a+p0ER45lw9950RAFCViIIWnuADRY= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id x8KH40nD055969; Fri, 20 Sep 2019 12:04:00 -0500 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Fri, 20 Sep 2019 12:03:55 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Fri, 20 Sep 2019 12:03:55 -0500 Received: from uda0869644b.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x8KH3r71054719; Fri, 20 Sep 2019 12:04:00 -0500 From: Benoit Parrot To: Hans Verkuil CC: Prabhakar Lad , , , , Benoit Parrot Subject: [Patch v3 07/13] media: am437x-vpfe: Setting STD to current value is not an error Date: Fri, 20 Sep 2019 12:05:48 -0500 Message-ID: <20190920170554.29666-8-bparrot@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190920170554.29666-1-bparrot@ti.com> References: <20190920170554.29666-1-bparrot@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org VIDIOC_S_STD should not return an error if the value is identical to the current one. This error was highlighted by the v4l2-compliance test. Signed-off-by: Benoit Parrot --- drivers/media/platform/am437x/am437x-vpfe.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c index 03415c179c85..8b218f48428f 100644 --- a/drivers/media/platform/am437x/am437x-vpfe.c +++ b/drivers/media/platform/am437x/am437x-vpfe.c @@ -1822,6 +1822,10 @@ static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id std_id) if (!(sdinfo->inputs[0].capabilities & V4L2_IN_CAP_STD)) return -ENODATA; + /* if trying to set the same std then nothing to do */ + if (vpfe_standards[vpfe->std_index].std_id == std_id) + return 0; + /* If streaming is started, return error */ if (vb2_is_busy(&vpfe->buffer_queue)) { vpfe_err(vpfe, "%s device busy\n", __func__); -- 2.17.1