From nobody Wed Apr 8 20:03:35 2026 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 ABDF7ECAAA1 for ; Fri, 28 Oct 2022 19:14:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229865AbiJ1TOQ (ORCPT ); Fri, 28 Oct 2022 15:14:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229889AbiJ1TN5 (ORCPT ); Fri, 28 Oct 2022 15:13:57 -0400 Received: from mail-ej1-x62c.google.com (mail-ej1-x62c.google.com [IPv6:2a00:1450:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6F6D242CA0 for ; Fri, 28 Oct 2022 12:13:55 -0700 (PDT) Received: by mail-ej1-x62c.google.com with SMTP id k2so15227425ejr.2 for ; Fri, 28 Oct 2022 12:13:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mind.be; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=pbLU8G2nPUHM4Aab1zDWh7+8gBmTVjh77cKTi8zqoN8=; b=iB/0wWsjCnaggGgC/IT/FEvhnyhXnoD47LxIjJOB1HtLYBtTNgbRYrnvcSTVG659yR 40c7ER61HF7eRuVIKqMstbMzUP1iSh6aCvp8Zx5ZfU0yyyF/98c0SncHaxIicILYnrk7 gvkB4yXgIU9D7CD1UXfOMGShMGPIVvYTqkU+DcBYvHNsmrtoF3ez4Y23JDYiM13TE6t2 +vAqNaUITbL9z+EnwnMt7D0c0Ve5r1rz/s1xwOYgC8zYcWK28vJ1mS/5FA4tZEMMG7O3 6HwR512UXMTC0Af8L1CCXU2KyeAYDXds3FazhwL/Q4ZdSbWCnU7jhm01GuN42O0RYCL1 2GPA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=pbLU8G2nPUHM4Aab1zDWh7+8gBmTVjh77cKTi8zqoN8=; b=q3F3leurbZuq+1efHepe0xIEqlmPmwEZJ4o2KSyod4A60PP3z2UOhks7M1UGPRXmlp S2lkosptvMjuw4HHyF92p9lp/fep8sayc6a5/jktj73fa1c/G7B1NwvEgVf1ZznBKf9R rVwWDVJTx6Nl6jqaelknvbrfVP1/e11g0hmT7t+aKJaGUk4TFxD2opkYLm08HPLYTZK9 ymAO1WCydmmOu6BDxRu6H1S0Ilg9jfeUR9HLRTroUScQGVjtAlDITdZGuDAVLcFdiSMZ FUECpGXFiiog1jsJfPK5lTPDWObxoqbXGJBsLI5bbUdt44DeXbrfW8zFu/NkU5APqdEq M0SA== X-Gm-Message-State: ACrzQf13B5A23yBCQFSmWrpSO1rYco4gINBwvke9no2fDCuht0Yq8jIo IbHiJC0GX9l0r0uglccqqTvKRQ== X-Google-Smtp-Source: AMsMyM5uCxbSrhg0tSnHUKHalAicTtK/sVJNhz5Eofzc65Oicx6YsX2ct3ebblLWKywVW+0w+4Vufg== X-Received: by 2002:a17:906:d550:b0:7ad:a0df:d4c1 with SMTP id cr16-20020a170906d55000b007ada0dfd4c1mr780615ejc.210.1666984434295; Fri, 28 Oct 2022 12:13:54 -0700 (PDT) Received: from dtpc.zanders.be (78-22-137-109.access.telenet.be. [78.22.137.109]) by smtp.gmail.com with ESMTPSA id hr25-20020a1709073f9900b007aacfce2a91sm2568922ejc.27.2022.10.28.12.13.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Oct 2022 12:13:53 -0700 (PDT) From: Maarten Zanders To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: Maarten Zanders , alexandre.belloni@bootlin.com, Kuninori Morimoto , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH] ASoC: simple-mux: add read function Date: Fri, 28 Oct 2022 21:13:01 +0200 Message-Id: <20221028191303.166115-1-maarten.zanders@mind.be> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" During initialisation DAPM tries to read the state of the MUX being connected, resulting in this error log: input-mux: ASoC: error at soc_component_read_no_lock on input-mux: -5 Provide a read function which allows DAPM to read the state of the MUX. Signed-off-by: Maarten Zanders --- sound/soc/codecs/simple-mux.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sound/soc/codecs/simple-mux.c b/sound/soc/codecs/simple-mux.c index d30c0d24d90a..bf67de12d20b 100644 --- a/sound/soc/codecs/simple-mux.c +++ b/sound/soc/codecs/simple-mux.c @@ -55,6 +55,14 @@ static int simple_mux_control_put(struct snd_kcontrol *k= control, e, NULL); } =20 +static unsigned int simple_mux_read(struct snd_soc_component *component, + unsigned int reg) +{ + struct simple_mux *priv =3D snd_soc_component_get_drvdata(component); + + return priv->mux; +} + static const struct snd_kcontrol_new simple_mux_mux =3D SOC_DAPM_ENUM_EXT("Muxer", simple_mux_enum, simple_mux_control_get, simpl= e_mux_control_put); =20 @@ -76,6 +84,7 @@ static const struct snd_soc_component_driver simple_mux_c= omponent_driver =3D { .num_dapm_widgets =3D ARRAY_SIZE(simple_mux_dapm_widgets), .dapm_routes =3D simple_mux_dapm_routes, .num_dapm_routes =3D ARRAY_SIZE(simple_mux_dapm_routes), + .read =3D simple_mux_read, }; =20 static int simple_mux_probe(struct platform_device *pdev) --=20 2.37.3