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 1A346C43334 for ; Tue, 19 Jul 2022 13:08:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243182AbiGSNIX (ORCPT ); Tue, 19 Jul 2022 09:08:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243126AbiGSNH5 (ORCPT ); Tue, 19 Jul 2022 09:07:57 -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 C4F0C863CB; Tue, 19 Jul 2022 05:27:39 -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 CA8D7B81B29; Tue, 19 Jul 2022 12:27:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26398C341C6; Tue, 19 Jul 2022 12:27:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1658233653; bh=OuR2fE51Nw9KFMYwaWsMlNUb5eNbAno7VLPZUKUduTk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FqTfZxofvrzCyy1Mv4xumjyyRTh+4APYr8QxtEiFWTwqJ9MP+Ml3l5LuDa4GTiMJ6 HKaWLT6Pi3VAR5iowlkF1fdq7ZoO/sENwYkzjrL85jF7V5978EYCx8fTUppDSGeUQI ATms5e1kp6dVRS+vixRMDxdC1/o9Ye4mKwMAdCow= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mark Brown , kernel test robot , Sasha Levin Subject: [PATCH 5.18 196/231] ASoC: wcd938x: Fix event generation for some controls Date: Tue, 19 Jul 2022 13:54:41 +0200 Message-Id: <20220719114730.577806095@linuxfoundation.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220719114714.247441733@linuxfoundation.org> References: <20220719114714.247441733@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 898b2887fa63..088cfda767cc 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -2519,6 +2519,9 @@ 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; @@ -2541,6 +2544,9 @@ 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; @@ -2632,6 +2638,9 @@ 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; @@ -2654,6 +2663,9 @@ 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