From patchwork Mon May 4 13:43:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: chris.d.garren@gmail.com X-Patchwork-Id: 11526005 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DE0C415AB for ; Mon, 4 May 2020 13:45:33 +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 D79092075E for ; Mon, 4 May 2020 13:45:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="P2uGVqg1"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SJ2RAe0h" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D79092075E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 3585B1710; Mon, 4 May 2020 15:44:44 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3585B1710 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1588599930; bh=SE9mgX2cVxfHH9O3cBjLROz83EJFEYiEW37CpvRMQHc=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=P2uGVqg1hUqgqLdZTNaOD2alKlio3sBZlRnywRT0n7h2xVU1g0iJD5pqZZ5C9MH8m g/KWr93KtPkGpCYvBdkrsRbfByK4K1nkjeWbEcLcEdCMk7xrYFhSwLSqzanOyC3MzM frObd+YfTaDln8TM5ON9TZsiCK8WfUnMBr+clUcs= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id AAD31F80234; Mon, 4 May 2020 15:44:43 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 24BAAF80249; Mon, 4 May 2020 15:44:42 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=-0.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mail-oi1-x242.google.com (mail-oi1-x242.google.com [IPv6:2607:f8b0:4864:20::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 4F6A4F800EE for ; Mon, 4 May 2020 15:44:38 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 4F6A4F800EE Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SJ2RAe0h" Received: by mail-oi1-x242.google.com with SMTP id i13so6615820oie.9 for ; Mon, 04 May 2020 06:44:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=fKmW+1ZOOw5yEYVWDgFJz125CSW4gCA3lXH+BFydT68=; b=SJ2RAe0hmehcElOi7VI7CyUX9d4WnhNKKhIjne5pwD4fw4Lu4JOxO6+BDaSAGrtpKA kBmWuwnP+KoGnjQcPuFUtKXUzFz3/LwU2HaQc4coxRIb/Z7HSV5tksbEFN0wv+fNcSnI 2RBJF4EnUh0+HgDk1QcDr0FgDm/cvgpJKkkv5cxfnOyGbz5OKl7cpGPBMx2IzL+3ix6m 6fn8v0aO4g4GiDEKYlBowaxpj1Gq4d/WGZZP5dsDQttRAM/d8GVQLDkXXpDVkVR/hEhp otlZrXzz3FRGcVAPFCU8nWY1WtoHu+mD4ByL8i6zrqFk4N9mK5nwOb1j2Q44NXEVdkXy IwUw== 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=fKmW+1ZOOw5yEYVWDgFJz125CSW4gCA3lXH+BFydT68=; b=WFF0dI4lf/vzd5dpJ4uHtiW7566a6sqcxxoQwUhHnFKg8bIHWs8bfpyFOzlgNYOqpe s9ePbhpUDucKpfhaRAIulglnFOO09jlE7IMyKKrL90qlrVlFD8uSIuh4llXfC3Axe+Zj y12ex6HvKMlE7JfX2K/tl221KWozn2XlFO8djmBfJ+4JVzn+wEgCGW9HEZa5NLuEBicD 7sNHprYlzMnz3emUEMIn/2+26IhBK8Sm7H1inKLcsoS+tZjrQfj1mO4v4bynjfZ8dw4c FtstKE+mJywFx/9RMPlvp8mrm69Do2hBai6Ug690fnoMXfUsyWseRVzn7yNLWHO2r33p nOJA== X-Gm-Message-State: AGi0Pubh5YLmc8ecGhN7bD3BU+1XXXyZjfVgxy0/mxz25uPW2MBxfLUe LIMVk9NZUIndcu7/dQSSrQrPJsa3BeTUBg== X-Google-Smtp-Source: APiQypIbLIzDkhan5aCP77GaAlUOeWaUCWbbr8gyOm+5O/2rWXlap4fC48/dQsS5aloiGS/l0ZFlPQ== X-Received: by 2002:a05:6808:24f:: with SMTP id m15mr9285435oie.152.1588599876677; Mon, 04 May 2020 06:44:36 -0700 (PDT) Received: from cdgarren-ubuntu.attlocal.net (99-145-188-157.lightspeed.iplsin.sbcglobal.net. [99.145.188.157]) by smtp.gmail.com with ESMTPSA id c13sm3314649oos.14.2020.05.04.06.44.35 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 May 2020 06:44:36 -0700 (PDT) From: chris.d.garren@gmail.com X-Google-Original-From: cdgarren@indesign-llc.com To: alsa-devel@alsa-project.org Subject: [PATCH] Mark the ADAU7118 reset register as volatile. Date: Mon, 4 May 2020 09:43:20 -0400 Message-Id: <1588599820-57994-1-git-send-email-cdgarren@indesign-llc.com> X-Mailer: git-send-email 2.7.4 Cc: Lars-Peter Clausen , Liam Girdwood , Takashi Iwai , Mark Brown , Chris Garren 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Chris Garren Without this the previously written value was written to this reg, which caused the different configuration registers to be reset. Signed-off-by: Chris Garren --- sound/soc/codecs/adau7118-i2c.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/soc/codecs/adau7118-i2c.c b/sound/soc/codecs/adau7118-i2c.c index a821136..aa7afb3 100644 --- a/sound/soc/codecs/adau7118-i2c.c +++ b/sound/soc/codecs/adau7118-i2c.c @@ -32,6 +32,12 @@ static const struct reg_default adau7118_reg_defaults[] = { { ADAU7118_REG_RESET, 0x00 }, }; +static bool adau7118_volatile(struct device *dev, unsigned int reg) +{ + return (reg == ADAU7118_REG_RESET); +} + + static const struct regmap_config adau7118_regmap_config = { .reg_bits = 8, .val_bits = 8, @@ -39,6 +45,7 @@ static const struct regmap_config adau7118_regmap_config = { .num_reg_defaults = ARRAY_SIZE(adau7118_reg_defaults), .cache_type = REGCACHE_RBTREE, .max_register = ADAU7118_REG_RESET, + .volatile_reg = adau7118_volatile, }; static int adau7118_probe_i2c(struct i2c_client *i2c,