From patchwork Fri Jul 28 08:42:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cheng-yi Chiang X-Patchwork-Id: 9868151 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 025ED6035E for ; Fri, 28 Jul 2017 08:42:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E65F0288AD for ; Fri, 28 Jul 2017 08:42:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB2F3288B0; Fri, 28 Jul 2017 08:42:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6A769288AD for ; Fri, 28 Jul 2017 08:42:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=bV2lJPvlAaVPVYGkXVrpwK/KoY2oJlZk+UvUbjCOFVU=; b=bl1 O1zlEMUKFmLc9oFmwgikmaWmBl+YPKBxrBpOGCy478VAv2MRWlM7GgqMUMPkWFcuHqQ2pVun6HO0T gPseCIUtt4OvB4hCiUm417yi7XJ0edTJMbrSIw6biJlz03d6oPBQ+wJe/XaR8aU0fLc7mKVorGhe7 LUqGVq5PWFa2mkEzvYTCsATd8R6uwWT17see+kQh8JBqUQcUJRg7hX7AYAfrD1911BbUNAnG7nz4E hGFCuB0K5A2Z7GcDntqZKe/e9IQhswEGyFHx5Tg/7qao9p8mH8huV9hJvO5jKkJLYb8n1i/3RCX4f x3xj7hhUIliVlJcwb5qNBGTxCAeP48A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1db0r2-0000DR-P0; Fri, 28 Jul 2017 08:42:40 +0000 Received: from mail-pg0-x22d.google.com ([2607:f8b0:400e:c05::22d]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1db0qy-0000Co-WE for linux-arm-kernel@lists.infradead.org; Fri, 28 Jul 2017 08:42:39 +0000 Received: by mail-pg0-x22d.google.com with SMTP id 125so108646604pgi.3 for ; Fri, 28 Jul 2017 01:42:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id; bh=WhUOwmlTTjFXgXmtnrbJ1pBTExB20t0uYhFeQvk/nw0=; b=kyzgMrSgloQkNc53RUEgAzKRWF/jNo+cN8R0Ykt5k5AXINbSp3OGclnaU5iNItpp2v okzNwVCFXI1d0TVjqmGSZsRe+XUGnbHmILLaFQcOYbXMtOOm8637SIz8gBJnrQ7v95JK oV/d49JGHGpbikwSXRAIqceXsetyGnrq+XvD0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=WhUOwmlTTjFXgXmtnrbJ1pBTExB20t0uYhFeQvk/nw0=; b=VB7paI2e6Pao/CQUhOpL/EP7pysVv7unK4I2gM7WqMweaWHdS0mWEq83tAawrIzC3U lD8VIvzZVW3lNLIMjYuGKcMKyG3VplXqv8thYtTZoI0KnmH7mTnKtZ18t9BOrqzcZ0tp vP4/PsaRmHXwW2m1U2IwZrqKHplDxVOTqOMmyP8w/8YIYENMhWxILt44ctIeqfgfvlTh GdviDEfxjzKK+ilOJyMd0uqUXUd/2/nQexLu2rfoGA+lZN8qqi8q6k6wu7vF/x8isqpL PrVJ1Zkss1VIXAxCazBThAUYFI7rKJ19otnul8KjwvqtHb5R5Ku0aAg/5LO38RgFeGKz hrfA== X-Gm-Message-State: AIVw1118Nf2bG08MRy7dZHV0VRxDfJHMB6KxsCOq5i5gY9sjrNflnlkD gFNBmjbCa52ft8ovK0y+cQ== X-Received: by 10.98.147.74 with SMTP id b71mr5658895pfe.283.1501231335085; Fri, 28 Jul 2017 01:42:15 -0700 (PDT) Received: from cychiang-z840.tpe.corp.google.com ([2401:fa00:1:b:5019:e7f4:4cb2:b140]) by smtp.gmail.com with ESMTPSA id r73sm34438443pgr.32.2017.07.28.01.42.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 28 Jul 2017 01:42:13 -0700 (PDT) From: Cheng-Yi Chiang To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] ASoC: Intel: Reset hw_ptr on resume trigger Date: Fri, 28 Jul 2017 16:42:06 +0800 Message-Id: <20170728084206.4431-1-cychiang@chromium.org> X-Mailer: git-send-email 2.12.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170728_014237_120005_6EA2B08C X-CRM114-Status: UNSURE ( 9.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Takashi Iwai , Liam Girdwood , Mark Brown , "U . Artie Eoff" , Jaroslav Kysela MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: "U. Artie Eoff" Reset the hw_ptr before queuing the restore_stream_context work to eradicate a nasty white audio noise on resume. Signed-off-by: U. Artie Eoff --- sound/soc/intel/baytrail/sst-baytrail-pcm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/intel/baytrail/sst-baytrail-pcm.c b/sound/soc/intel/baytrail/sst-baytrail-pcm.c index 4765ad474544..e0db7070cd42 100644 --- a/sound/soc/intel/baytrail/sst-baytrail-pcm.c +++ b/sound/soc/intel/baytrail/sst-baytrail-pcm.c @@ -187,8 +187,10 @@ static int sst_byt_pcm_trigger(struct snd_pcm_substream *substream, int cmd) sst_byt_stream_start(byt, pcm_data->stream, 0); break; case SNDRV_PCM_TRIGGER_RESUME: - if (pdata->restore_stream == true) + if (pdata->restore_stream == true) { + pcm_data->hw_ptr = 0; schedule_work(&pcm_data->work); + } else sst_byt_stream_resume(byt, pcm_data->stream); break;