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 C7734C43334 for ; Tue, 19 Jul 2022 12:16:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239070AbiGSMQK (ORCPT ); Tue, 19 Jul 2022 08:16:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239341AbiGSMOe (ORCPT ); Tue, 19 Jul 2022 08:14:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 447414BD2D; Tue, 19 Jul 2022 05:05:31 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 7A7EA61740; Tue, 19 Jul 2022 12:04:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BFC9C341C6; Tue, 19 Jul 2022 12:04:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1658232247; bh=fh11CQGg78fCZlvxIkEKdZTt+V7QMJNel34lx3CZraQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ul6rSRJfgn4NcjvLU675n0er+A2YQg0Ag/UmttEvfagJ9nI8crlaLkwrrg4+Vsgu4 ZOipoTLHeeRcPZ3E3mp+m1VWXJGHgnwEvGvgjqaNnXD3Q7GlIRocT8MokZGUnjLzmG PCaG6iCsm83epviR74cdHAaYtMHDmNqFcOnvFYzw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Charles Keepax , Mark Brown , Sasha Levin Subject: [PATCH 5.4 56/71] ASoC: cs47l15: Fix event generation for low power mux control Date: Tue, 19 Jul 2022 13:54:19 +0200 Message-Id: <20220719114557.779196016@linuxfoundation.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220719114552.477018590@linuxfoundation.org> References: <20220719114552.477018590@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: Charles Keepax [ Upstream commit 7f103af4a10f375b9b346b4d0b730f6a66b8c451 ] cs47l15_in1_adc_put 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/20220623105120.1981154-3-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/cs47l15.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/cs47l15.c b/sound/soc/codecs/cs47l15.c index ece1276f38eb..1f7148794a5a 100644 --- a/sound/soc/codecs/cs47l15.c +++ b/sound/soc/codecs/cs47l15.c @@ -122,6 +122,9 @@ static int cs47l15_in1_adc_put(struct snd_kcontrol *kcontrol, snd_soc_kcontrol_component(kcontrol); struct cs47l15 *cs47l15 = snd_soc_component_get_drvdata(component); + if (!!ucontrol->value.integer.value[0] == cs47l15->in1_lp_mode) + return 0; + switch (ucontrol->value.integer.value[0]) { case 0: /* Set IN1 to normal mode */ @@ -150,7 +153,7 @@ static int cs47l15_in1_adc_put(struct snd_kcontrol *kcontrol, break; } - return 0; + return 1; } static const struct snd_kcontrol_new cs47l15_snd_controls[] = { -- 2.35.1