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 33196C433EF for ; Thu, 14 Jul 2022 04:30:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237133AbiGNEaq (ORCPT ); Thu, 14 Jul 2022 00:30:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237108AbiGNE3S (ORCPT ); Thu, 14 Jul 2022 00:29:18 -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 C703729C8C; Wed, 13 Jul 2022 21:24:58 -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 21987B8237A; Thu, 14 Jul 2022 04:24:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F266C34114; Thu, 14 Jul 2022 04:24:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657772695; bh=RUUKpFFgLZU5wPepFLY7h5IaUmNL/AXE1xUV7qaneFM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JIS/bHcUQvMR2p1uaEd0p2fPZ+IzvYmka5KBhD9iaY1+UVVs9ZOVdbnzHHsf7DNtQ J6A+fB5GG9WOg8MMZKu5z8kTu5Ow6GiJ7IJsanEfn6eBxnk4kU2Pki2pknRVQH5+/C tft/Av4VwaafPgg82rOREiwQIlLxR0Q+iGQ5HJ3gp1gxz2zuk/Gsys27Tx7XlV2t2C qKg6ubWcdyOR/n7t0PQymVBDptubxIaZssXljNRlphoENQ9W7GoJobaMS3FrMW8+yA bqfMTGX4sEn9rabPHT3jhg/LIv3si2V92ytRiDIcMoebQp7FMiBpE180M40escinIf WrMfZ15+OyAcA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mark Brown , kernel test robot , Sasha Levin , lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, quic_srivasam@quicinc.com, quic_potturu@quicinc.com, pierre-louis.bossart@linux.intel.com, ckeepax@opensource.cirrus.com, yong.wu@mediatek.com, alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.15 10/28] ASoC: wcd938x: Fix event generation for some controls Date: Thu, 14 Jul 2022 00:24:11 -0400 Message-Id: <20220714042429.281816-10-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220714042429.281816-1-sashal@kernel.org> References: <20220714042429.281816-1-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: Mark Brown [ Upstream commit 10e7ff0047921e32b919ecee7be706dd33c107f8 ] Currently wcd938x_*_put() unconditionally report that the value of the control changed, resulting in spurious events being generated. Return 0 in that case instead as we should. There is still an issue in the compander control which is a bit more complex. Signed-off-by: Mark Brown Reported-by: kernel test robot Link: https://lore.kernel.org/r/20220603122526.3914942-1-broonie@kernel.org Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/wcd938x.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index 4480c118ed5d..8cdc45e669f2 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -2517,6 +2517,9 @@ static int wcd938x_tx_mode_put(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; int path = e->shift_l; + if (wcd938x->tx_mode[path] == ucontrol->value.enumerated.item[0]) + return 0; + wcd938x->tx_mode[path] = ucontrol->value.enumerated.item[0]; return 1; @@ -2539,6 +2542,9 @@ static int wcd938x_rx_hph_mode_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component); + if (wcd938x->hph_mode == ucontrol->value.enumerated.item[0]) + return 0; + wcd938x->hph_mode = ucontrol->value.enumerated.item[0]; return 1; @@ -2630,6 +2636,9 @@ static int wcd938x_ldoh_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component); + if (wcd938x->ldoh == ucontrol->value.integer.value[0]) + return 0; + wcd938x->ldoh = ucontrol->value.integer.value[0]; return 1; @@ -2652,6 +2661,9 @@ static int wcd938x_bcs_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component); + if (wcd938x->bcs_dis == ucontrol->value.integer.value[0]) + return 0; + wcd938x->bcs_dis = ucontrol->value.integer.value[0]; return 1; -- 2.35.1