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=-10.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 3675FC2D0BF for ; Tue, 10 Dec 2019 22:06:55 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B53BA20836 for ; Tue, 10 Dec 2019 22:06:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="fLEvnljT"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="v2Bx9WLG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B53BA20836 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id DD85E166E; Tue, 10 Dec 2019 23:06:02 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz DD85E166E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1576015613; bh=XHHDowCj3BJ6FP2y5UVjWFWVJCHA2ZVISb23oT/Mh30=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=fLEvnljTnd3UYU/i5Y5vqb96WZBq7XDs/TsQGUK+IcNEsPMpZi6Z9CBLCZpvV4rmN qDYMj3vwRA4lPII5+n80lgVpOaZWkpWnX9z7CH1kXWB2OMlP6E68kwCihEB3q3qTo5 2zg4F3beCty4+vAgRMfsIsExucXxIUTq1fK3KGA8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 24620F80256; Tue, 10 Dec 2019 23:05:10 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 92A00F80257; Tue, 10 Dec 2019 23:05:08 +0100 (CET) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A7636F800B4 for ; Tue, 10 Dec 2019 23:05:05 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A7636F800B4 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="v2Bx9WLG" Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 470E12465B; Tue, 10 Dec 2019 22:05:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576015504; bh=mLrp6O2f7HRcivfe4sxghNZULTcexJ6vEGh6fePtrqA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=v2Bx9WLG3vXWVV3RDHflV+ZMyo6k3rUS+rAWTIgZaWbJqDGv6uh8EBtdg0ttR67Qy 8GIe73wVfL9jK6tsg/6G1AkalJpL4v66bpg2VtkG7Fbiza78qw0qlGVNy1jCLWlbdK AR2C1kQZnF5bgcukPnWRYP5SLXE1Vee0wJ07MhjU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Tue, 10 Dec 2019 17:02:34 -0500 Message-Id: <20191210220301.13262-103-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210220301.13262-1-sashal@kernel.org> References: <20191210220301.13262-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Cc: Sasha Levin , Ben Zhang , Curtis Malainey , Mark Brown , alsa-devel@alsa-project.org Subject: [alsa-devel] [PATCH AUTOSEL 4.14 103/130] ASoC: rt5677: Mark reg RT5677_PWR_ANLG2 as volatile X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Ben Zhang [ Upstream commit eabf424f7b60246c76dcb0ea6f1e83ef9abbeaa6 ] The codec dies when RT5677_PWR_ANLG2(MX-64h) is set to 0xACE1 while it's streaming audio over SPI. The DSP firmware turns on PLL2 (MX-64 bit 8) when SPI streaming starts. However regmap does not believe that register can change by itself. When BST1 (bit 15) is turned on with regmap_update_bits(), it doesn't read the register first before write, so PLL2 power bit is cleared by accident. Marking MX-64h as volatile in regmap solved the issue. Signed-off-by: Ben Zhang Signed-off-by: Curtis Malainey Link: https://lore.kernel.org/r/20191106011335.223061-6-cujomalainey@chromium.org Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/rt5677.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index 1cd20b88a3a9c..82ee8f4b965be 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -297,6 +297,7 @@ static bool rt5677_volatile_register(struct device *dev, unsigned int reg) case RT5677_I2C_MASTER_CTRL7: case RT5677_I2C_MASTER_CTRL8: case RT5677_HAP_GENE_CTRL2: + case RT5677_PWR_ANLG2: /* Modified by DSP firmware */ case RT5677_PWR_DSP_ST: case RT5677_PRIV_DATA: case RT5677_ASRC_22: -- 2.20.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel