From patchwork Fri Oct 27 10:57:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 13438520 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D4B20C25B67 for ; Fri, 27 Oct 2023 11:00:13 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 002A7A4D; Fri, 27 Oct 2023 12:59:20 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 002A7A4D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1698404411; bh=Lu2PJetzLbuTwsyEbZUs5w16F02PpIxjpeR63OofwJo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=H/dLukYw4kfAPNX5ArSwSkf+ETyxRu5aeX2Ih4SMfoPQzEpjTatVeNXLEaz6Y/EAL /neYiPEY2OyxCH6aIm/uPtXZpjfBXmpkMXGkMaybAWOd6vIxByiOzizCi7VdZ3sVWQ 0arhMQZoKeGB2gru1R81eWd6I77zyQvbrbAPrPc8= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 65ABCF8057A; Fri, 27 Oct 2023 12:58:18 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id C2FB9F80571; Fri, 27 Oct 2023 12:58:17 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 6B864F8019B; Fri, 27 Oct 2023 12:58:12 +0200 (CEST) Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 772FDF8010B for ; Fri, 27 Oct 2023 12:58:06 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 772FDF8010B Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=U9PrFfpb Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-40839652b97so14064935e9.3 for ; Fri, 27 Oct 2023 03:58:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1698404286; x=1699009086; darn=alsa-project.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=9XkBdStWyOQZPgBS6S/Ka3+9ogTtzOlDV9P3Ay7BAQI=; b=U9PrFfpbtvD8DRQ/fuMmcy7xTQlzAtsCFmH7zlALAidEdDzy5i543YYGzm73Vknwv1 9DZuMmC70gZaDesoL1rcAH6tw142J5kmObbimxgCtL24U1W3EFa2S/zdFsMgpWIiTxNw EKQgwx3fBvaE5uf4S9LLtU8SoayaaLeDJkIGSXhNhq1ZzTj46CLYdKKRbOlnxpZC1Qh1 v/nLDkftIlfENJjkQ9VGg6R0ZZbuCX/0+kTx8dwOubqhgPSvXinsVvUY+7/TqpPtmS9L Uff10U0+x1Ep0CD5RFEUWFWp6Avjjm2JjsPvjs1NpsqDD+Xk5f6detL/jaqyqnxHX0zX /1CQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698404286; x=1699009086; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9XkBdStWyOQZPgBS6S/Ka3+9ogTtzOlDV9P3Ay7BAQI=; b=qygm0p8P5Uspauk3B21USgOiNuXKMIKUfqBsUDlnbF1gXnr3otO1/9K4ucLT967cqU w2w9fEDPrK/9duUUYjw7doGGjAq1VBOMF5YeiET1v69tEH1BuLy8sR3K8qGC+sN3Oego uq++ic+pl6LBH3eGO858336lG82SBvo0f+ck5CZzXK/2mO4AufKlQp60Os8pKvOfGN5Y Ne7o2lc9ukvevU+9bQNo0Nlees6eF0Y55H/4Sld3JX5/a5zgVD9DL/SicS4sPBLRaaKo zXD35xw+qfzP0WzlMei9jYEaP7KnXVNIr5NAtWcCSYLyqqZkD4PLNAdWetiT7hhBtK2w xLiw== X-Gm-Message-State: AOJu0YyJVUUOKTzWBRW3ezT9cWb2VLshQC3c6kEcYd4b5tnNxBZEWxPe 0SH4TULNhQk4QWNTHpj+uKqx0Q== X-Google-Smtp-Source: AGHT+IE3n/7ZTwMVhcJx5Pj0MGRIdZXTm5/giEYVamfl4WpRmVJi152Yyfa8zz62tvthZTBvwdHjVA== X-Received: by 2002:a05:600c:3d9a:b0:408:5ba9:d707 with SMTP id bi26-20020a05600c3d9a00b004085ba9d707mr2017805wmb.16.1698404286317; Fri, 27 Oct 2023 03:58:06 -0700 (PDT) Received: from srini-hackbox.lan ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id ay32-20020a05600c1e2000b004065daba6casm4819626wmb.46.2023.10.27.03.58.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Oct 2023 03:58:05 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org Cc: johan@kernel.org, perex@perex.cz, tiwai@suse.com, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Srinivas Kandagatla Subject: [RFC PATCH 1/2] ASoC: soc-dai: add flag to mute and unmute stream during trigger Date: Fri, 27 Oct 2023 11:57:46 +0100 Message-Id: <20231027105747.32450-2-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20231027105747.32450-1-srinivas.kandagatla@linaro.org> References: <20231027105747.32450-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Message-ID-Hash: T4UPHSHY6EMPTPDU2VRIZ4ODNR2IGLQJ X-Message-ID-Hash: T4UPHSHY6EMPTPDU2VRIZ4ODNR2IGLQJ X-MailFrom: srinivas.kandagatla@linaro.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Patchwork-State: RFC In some setups like Speaker amps which are very sensitive, ex: keeping them unmute without actual data stream for very short duration results in a static charge and results in pop and clicks. To minimize this, provide a way to mute and unmute such codecs during trigger callbacks. Signed-off-by: Srinivas Kandagatla --- include/sound/soc-dai.h | 1 + sound/soc/soc-dai.c | 7 +++++++ sound/soc/soc-pcm.c | 12 ++++++++---- 3 files changed, 16 insertions(+), 4 deletions(-) diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index e3906ecda740..5827b4d882fc 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -355,6 +355,7 @@ struct snd_soc_dai_ops { /* bit field */ unsigned int no_capture_mute:1; + unsigned int mute_unmute_on_trigger:1; }; struct snd_soc_cdai_ops { diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 02dd64dea179..28d8c6c3d3b2 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -641,6 +641,10 @@ int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, ret = soc_dai_trigger(dai, substream, cmd); if (ret < 0) break; + + if (dai->driver->ops && dai->driver->ops->mute_unmute_on_trigger) + snd_soc_dai_digital_mute(dai, 0, substream->stream); + soc_dai_mark_push(dai, substream, trigger); } break; @@ -651,6 +655,9 @@ int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, if (rollback && !soc_dai_mark_match(dai, substream, trigger)) continue; + if (dai->driver->ops && dai->driver->ops->mute_unmute_on_trigger) + snd_soc_dai_digital_mute(dai, 1, substream->stream); + r = soc_dai_trigger(dai, substream, cmd); if (r < 0) ret = r; /* use last ret */ diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 3aa6b988cb4b..0f9f4da25158 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -703,8 +703,10 @@ static int soc_pcm_clean(struct snd_soc_pcm_runtime *rtd, if (snd_soc_dai_active(dai) == 0) soc_pcm_set_dai_params(dai, NULL); - if (snd_soc_dai_stream_active(dai, substream->stream) == 0) - snd_soc_dai_digital_mute(dai, 1, substream->stream); + if (snd_soc_dai_stream_active(dai, substream->stream) == 0) { + if (dai->driver->ops && !dai->driver->ops->mute_unmute_on_trigger) + snd_soc_dai_digital_mute(dai, 1, substream->stream); + } } } @@ -898,8 +900,10 @@ static int __soc_pcm_prepare(struct snd_soc_pcm_runtime *rtd, snd_soc_dapm_stream_event(rtd, substream->stream, SND_SOC_DAPM_STREAM_START); - for_each_rtd_dais(rtd, i, dai) - snd_soc_dai_digital_mute(dai, 0, substream->stream); + for_each_rtd_dais(rtd, i, dai) { + if (dai->driver->ops && !dai->driver->ops->mute_unmute_on_trigger) + snd_soc_dai_digital_mute(dai, 0, substream->stream); + } out: return soc_pcm_ret(rtd, ret);