From patchwork Sat Oct 22 09:20:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 13015879 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 33355C433FE for ; Sat, 22 Oct 2022 10:13:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230163AbiJVKNI (ORCPT ); Sat, 22 Oct 2022 06:13:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230156AbiJVKMn (ORCPT ); Sat, 22 Oct 2022 06:12:43 -0400 Received: from mslow1.mail.gandi.net (mslow1.mail.gandi.net [IPv6:2001:4b98:dc4:8::240]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41E5AAE846 for ; Sat, 22 Oct 2022 02:30:13 -0700 (PDT) Received: from relay10.mail.gandi.net (unknown [217.70.178.230]) by mslow1.mail.gandi.net (Postfix) with ESMTP id 43E1CC1861 for ; Sat, 22 Oct 2022 09:21:18 +0000 (UTC) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id EFF4724000B; Sat, 22 Oct 2022 09:20:36 +0000 (UTC) From: Jacopo Mondi To: =?utf-8?q?Krzysztof_Ha=C5=82asa?= , Mauro Carvalho Chehab , Sakari Ailus , Laurent Pinchart Cc: Jacopo Mondi , linux-media@vger.kernel.org Subject: [PATCH v2 05/10] media: ar0521: Refuse unsupported controls Date: Sat, 22 Oct 2022 11:20:10 +0200 Message-Id: <20221022092015.208592-6-jacopo@jmondi.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221022092015.208592-1-jacopo@jmondi.org> References: <20221022092015.208592-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Refuse unsupported controls by returning -EINVAL in the s_ctrl operation. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/ar0521.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/i2c/ar0521.c b/drivers/media/i2c/ar0521.c index e673424880ac..fcd852760750 100644 --- a/drivers/media/i2c/ar0521.c +++ b/drivers/media/i2c/ar0521.c @@ -547,6 +547,10 @@ static int ar0521_s_ctrl(struct v4l2_ctrl *ctrl) ret = ar0521_write_reg(sensor, AR0521_REG_TEST_PATTERN_MODE, ctrl->val); break; + default: + dev_err(&sensor->i2c_client->dev, + "Unsupported control %x\n", ctrl->id); + return -EINVAL; } pm_runtime_put(&sensor->i2c_client->dev);