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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A25EDC433EF for ; Wed, 20 Jul 2022 01:20:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241641AbiGTBUl (ORCPT ); Tue, 19 Jul 2022 21:20:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241756AbiGTBTc (ORCPT ); Tue, 19 Jul 2022 21:19:32 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9C5165596; Tue, 19 Jul 2022 18:15:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4CAF6B81DE4; Wed, 20 Jul 2022 01:15:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC1E7C385A2; Wed, 20 Jul 2022 01:15:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658279746; bh=kJrQBRgcHwPrceGKRT8UGUQb08ZTG9IZ5DwasvAIodQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iZW/q1oy1EJvnnNoklZpvn6+zAysnU5j1kz3kPGkAyFazbWrgvPn9SswjvX8qjair tGKDR/PHLulGsBXXe2vrPLNmmoZ4btbOJwu2xNpCMMxBJFcRBSe4GhjOtmWFgw7MH+ GJwjW4obYEAv4kpY4P1zuAu/pafwmGrQtyuJSSoYJmu0Gww/uLrvLcGHb8KNLzzFEH jgf3DTKq7MJhG9VuzYJQcx7LtH8MgZ6VcXHHmHBDhlLVvt5NhOSSL0lpamKOA/B1Bv M0BgENes3SBiQCsKDGSpCwPCrZGMBCqV9yesI6rdJAHM78QaWO96a5p7JHXjFE16QG SPHlV6m+oTjhQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Charles Keepax , Mark Brown , Sasha Levin , lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, simont@opensource.cirrus.com, patches@opensource.cirrus.com, alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.15 30/42] ASoC: wm5102: Fix event generation for output compensation Date: Tue, 19 Jul 2022 21:13:38 -0400 Message-Id: <20220720011350.1024134-30-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220720011350.1024134-1-sashal@kernel.org> References: <20220720011350.1024134-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Charles Keepax [ Upstream commit 71b5ab96ffe6589abe7a2e302b83f7a426ebe099 ] The output compensation controls always returns zero regardless of if the control value was updated. This results in missing notifications to user-space of the control change. Update the handling to return 1 when the value is changed. Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20220628153409.3266932-1-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/wm5102.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index 621598608bf0..fc3d4e1a9c55 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -680,12 +680,17 @@ static int wm5102_out_comp_coeff_put(struct snd_kcontrol *kcontrol, { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct arizona *arizona = dev_get_drvdata(component->dev->parent); + uint16_t dac_comp_coeff = get_unaligned_be16(ucontrol->value.bytes.data); + int ret = 0; mutex_lock(&arizona->dac_comp_lock); - arizona->dac_comp_coeff = get_unaligned_be16(ucontrol->value.bytes.data); + if (arizona->dac_comp_coeff != dac_comp_coeff) { + arizona->dac_comp_coeff = dac_comp_coeff; + ret = 1; + } mutex_unlock(&arizona->dac_comp_lock); - return 0; + return ret; } static int wm5102_out_comp_switch_get(struct snd_kcontrol *kcontrol, @@ -706,12 +711,20 @@ static int wm5102_out_comp_switch_put(struct snd_kcontrol *kcontrol, { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct arizona *arizona = dev_get_drvdata(component->dev->parent); + struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; + int ret = 0; + + if (ucontrol->value.integer.value[0] > mc->max) + return -EINVAL; mutex_lock(&arizona->dac_comp_lock); - arizona->dac_comp_enabled = ucontrol->value.integer.value[0]; + if (arizona->dac_comp_enabled != ucontrol->value.integer.value[0]) { + arizona->dac_comp_enabled = ucontrol->value.integer.value[0]; + ret = 1; + } mutex_unlock(&arizona->dac_comp_lock); - return 0; + return ret; } static const char * const wm5102_osr_text[] = { -- 2.35.1