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=-13.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 93C4DC433E3 for ; Mon, 24 Aug 2020 08:47:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67304207D3 for ; Mon, 24 Aug 2020 08:47:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598258866; bh=3Ej3eCQIkCDj0Or2d/txWft1A60P9a7pdqb2Z6788GU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kfNmE6Y/3RxAF2TKGwaVqZMoNj06hxJTUmD9VIDYxqoHVBR/4McrfcUzeQ3fmqFl8 B0hVBPXIPmmD5b7SphcvxPuzCcZKnEvZh0BEPDOiTjxTO4E7GB0b8JXRbs60ZiydcS cDWxD3QnYzX6dj9fWhvpEYAWbsRD1X1EZNFNaa+4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729492AbgHXIrp (ORCPT ); Mon, 24 Aug 2020 04:47:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:47658 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729358AbgHXIri (ORCPT ); Mon, 24 Aug 2020 04:47:38 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 43EA2206F0; Mon, 24 Aug 2020 08:47:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598258857; bh=3Ej3eCQIkCDj0Or2d/txWft1A60P9a7pdqb2Z6788GU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jbhUijaQbEhA4gG1b1QvJQ48COVzkXkQEBrJSA6dvxbsPUVQ98QEjQ6qF19kfnI7Y Ma1aEHr9wvtgOz/8nGdWbsJ2UnQeU8SNiTv1oJBmBFBfrehNm77bYx5SfYbdKN1Uph CZIcdHgK3KH3zGgsl6F79sXo3jAnPs6VNe5IKgco= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, John Stultz , Srinivas Kandagatla , Mark Brown , Sasha Levin Subject: [PATCH 5.4 068/107] ASoC: q6routing: add dummy register read/write function Date: Mon, 24 Aug 2020 10:30:34 +0200 Message-Id: <20200824082408.492073736@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200824082405.020301642@linuxfoundation.org> References: <20200824082405.020301642@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Srinivas Kandagatla [ Upstream commit 796a58fe2b8c9b6668db00d92512ec84be663027 ] Most of the DAPM widgets for DSP ASoC components reuse reg field of the widgets for its internal calculations, however these are not real registers. So read/writes to these numbers are not really valid. However ASoC core will read these registers to get default state during startup. With recent changes to ASoC core, every register read/write failures are reported very verbosely. Prior to this fails to reads are totally ignored, so we never saw any error messages. To fix this add dummy read/write function to return default value. Fixes: e3a33673e845 ("ASoC: qdsp6: q6routing: Add q6routing driver") Reported-by: John Stultz Signed-off-by: Srinivas Kandagatla Link: https://lore.kernel.org/r/20200811120205.21805-2-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/qcom/qdsp6/q6routing.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c index ddcd9978cf57b..745cc9dd14f38 100644 --- a/sound/soc/qcom/qdsp6/q6routing.c +++ b/sound/soc/qcom/qdsp6/q6routing.c @@ -996,6 +996,20 @@ static int msm_routing_probe(struct snd_soc_component *c) return 0; } +static unsigned int q6routing_reg_read(struct snd_soc_component *component, + unsigned int reg) +{ + /* default value */ + return 0; +} + +static int q6routing_reg_write(struct snd_soc_component *component, + unsigned int reg, unsigned int val) +{ + /* dummy */ + return 0; +} + static const struct snd_soc_component_driver msm_soc_routing_component = { .ops = &q6pcm_routing_ops, .probe = msm_routing_probe, @@ -1004,6 +1018,8 @@ static const struct snd_soc_component_driver msm_soc_routing_component = { .num_dapm_widgets = ARRAY_SIZE(msm_qdsp6_widgets), .dapm_routes = intercon, .num_dapm_routes = ARRAY_SIZE(intercon), + .read = q6routing_reg_read, + .write = q6routing_reg_write, }; static int q6pcm_routing_probe(struct platform_device *pdev) -- 2.25.1