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 C8D74C433EF for ; Thu, 14 Jul 2022 04:26:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231401AbiGNE0E (ORCPT ); Thu, 14 Jul 2022 00:26:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234214AbiGNEZU (ORCPT ); Thu, 14 Jul 2022 00:25:20 -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 D87BF2A94A; Wed, 13 Jul 2022 21:23:25 -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 B5C53B82374; Thu, 14 Jul 2022 04:23:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B4B0C34115; Thu, 14 Jul 2022 04:23:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657772602; bh=2LOjYje2bLXGWMOvXmaOsvyq6QYDfSUX/nqUmPJDAgQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sCohhPxdUij0FsKMNcljSy69TRrL6GUA7R40z9uuomCiuDlLQ6EN2nVb7FBrOXRQK 6OFdBLKYriB94sv41AIY52e6dQkfxAAcmzYbI1x1QVj604hMnLvo2IWEphMzjfh7Hv 7MGMbhdRC9fDjeHseqqw1V3YjGuasz8tHETnuZUfVPjJ7Ewewg361uvvT7WegHZXi7 bOG5R+eCU7E/w7OvveqMuF89+ljIdrSg8cil2YalCAo2Xh/q/I+V2bCKSVl0mvRXE3 oMc6T9NqEeDAW92C4c7O3GYiM6rGjWd2wMKbHnSwHk+S0R6aSvZ2AX+ye7E9Z/zrWF lmHqhYVfdAPwQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Charles Keepax , Mark Brown , Sasha Levin , rf@opensource.cirrus.com, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, patches@opensource.cirrus.com Subject: [PATCH AUTOSEL 5.18 24/41] ASoC: madera: Fix event generation for OUT1 demux Date: Thu, 14 Jul 2022 00:22:04 -0400 Message-Id: <20220714042221.281187-24-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220714042221.281187-1-sashal@kernel.org> References: <20220714042221.281187-1-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 e3cabbef3db8269207a6b8808f510137669f8deb ] madera_out1_demux_put returns the value of snd_soc_dapm_mux_update_power, which returns a 1 if a path was found for the kcontrol. This is obviously different to the expected return a 1 if the control was updated value. This results in spurious notifications to user-space. Update the handling to only return a 1 when the value is changed. Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20220623105120.1981154-4-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/madera.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/madera.c b/sound/soc/codecs/madera.c index 272041c6236a..8095a87117cf 100644 --- a/sound/soc/codecs/madera.c +++ b/sound/soc/codecs/madera.c @@ -618,7 +618,13 @@ int madera_out1_demux_put(struct snd_kcontrol *kcontrol, end: snd_soc_dapm_mutex_unlock(dapm); - return snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); + ret = snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); + if (ret < 0) { + dev_err(madera->dev, "Failed to update demux power state: %d\n", ret); + return ret; + } + + return change; } EXPORT_SYMBOL_GPL(madera_out1_demux_put); -- 2.35.1