From patchwork Thu Feb 11 15:02:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 381751 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=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 620ACC433DB for ; Thu, 11 Feb 2021 15:24:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E238A64E08 for ; Thu, 11 Feb 2021 15:24:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229954AbhBKPX4 (ORCPT ); Thu, 11 Feb 2021 10:23:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:52482 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230242AbhBKPT5 (ORCPT ); Thu, 11 Feb 2021 10:19:57 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9E2A064F1D; Thu, 11 Feb 2021 15:06:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1613055981; bh=T1G47C+170L7aGR3/Jpru6PX8ZjymhBt7Devr9ptUGs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rplW2liVEcewMh+oZg432Vy9gCcqSAGO8Cw/d28WspV9yrKXMkAs+gkeOlFFe8EDz ZIY0Ml3IBwiymZ46eGcgnUVwaoivvyNzutBHYLvIjU6M7qmLHGLAKCWkQVpA/MehEu xhGZViKA/7yjy2JZSYdoBC+NSyn4NUhDClZROSLs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eliot Blennerhassett , Linus Walleij , Mark Brown , Sasha Levin Subject: [PATCH 5.4 08/24] ASoC: ak4458: correct reset polarity Date: Thu, 11 Feb 2021 16:02:31 +0100 Message-Id: <20210211150148.878801678@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210211150148.516371325@linuxfoundation.org> References: <20210211150148.516371325@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Eliot Blennerhassett [ Upstream commit e953daeb68b1abd8a7d44902786349fdeef5c297 ] Reset (aka power off) happens when the reset gpio is made active. Change function name to ak4458_reset to match devicetree property "reset-gpios" Signed-off-by: Eliot Blennerhassett Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/ce650f47-4ff6-e486-7846-cc3d033f3601@blennerhassett.gen.nz Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/ak4458.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c index 71562154c0b1e..217e8ce9a4ba4 100644 --- a/sound/soc/codecs/ak4458.c +++ b/sound/soc/codecs/ak4458.c @@ -523,18 +523,10 @@ static struct snd_soc_dai_driver ak4497_dai = { .ops = &ak4458_dai_ops, }; -static void ak4458_power_off(struct ak4458_priv *ak4458) +static void ak4458_reset(struct ak4458_priv *ak4458, bool active) { if (ak4458->reset_gpiod) { - gpiod_set_value_cansleep(ak4458->reset_gpiod, 0); - usleep_range(1000, 2000); - } -} - -static void ak4458_power_on(struct ak4458_priv *ak4458) -{ - if (ak4458->reset_gpiod) { - gpiod_set_value_cansleep(ak4458->reset_gpiod, 1); + gpiod_set_value_cansleep(ak4458->reset_gpiod, active); usleep_range(1000, 2000); } } @@ -548,7 +540,7 @@ static int ak4458_init(struct snd_soc_component *component) if (ak4458->mute_gpiod) gpiod_set_value_cansleep(ak4458->mute_gpiod, 1); - ak4458_power_on(ak4458); + ak4458_reset(ak4458, false); ret = snd_soc_component_update_bits(component, AK4458_00_CONTROL1, 0x80, 0x80); /* ACKS bit = 1; 10000000 */ @@ -571,7 +563,7 @@ static void ak4458_remove(struct snd_soc_component *component) { struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component); - ak4458_power_off(ak4458); + ak4458_reset(ak4458, true); } #ifdef CONFIG_PM @@ -581,7 +573,7 @@ static int __maybe_unused ak4458_runtime_suspend(struct device *dev) regcache_cache_only(ak4458->regmap, true); - ak4458_power_off(ak4458); + ak4458_reset(ak4458, true); if (ak4458->mute_gpiod) gpiod_set_value_cansleep(ak4458->mute_gpiod, 0); @@ -596,8 +588,8 @@ static int __maybe_unused ak4458_runtime_resume(struct device *dev) if (ak4458->mute_gpiod) gpiod_set_value_cansleep(ak4458->mute_gpiod, 1); - ak4458_power_off(ak4458); - ak4458_power_on(ak4458); + ak4458_reset(ak4458, true); + ak4458_reset(ak4458, false); regcache_cache_only(ak4458->regmap, false); regcache_mark_dirty(ak4458->regmap);