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 D25DDC433EF for ; Tue, 19 Jul 2022 12:47:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241686AbiGSMrp (ORCPT ); Tue, 19 Jul 2022 08:47:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241652AbiGSMqo (ORCPT ); Tue, 19 Jul 2022 08:46:44 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C32368BA98; Tue, 19 Jul 2022 05:18:29 -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 sin.source.kernel.org (Postfix) with ESMTPS id 48E1CCE1BE4; Tue, 19 Jul 2022 12:18:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54958C341C6; Tue, 19 Jul 2022 12:18:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1658233096; bh=uJxQ5zkiSZVte2k7O6ftC2Aguzs3PGSDlpQSoHM8pms=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z2WgugxxvObZnqWJWp/PM84W6KXTnVYN0UKx/61Vx6q0nf3GKSJGB3bSPWXcVu6lA xFaYHEjjNM7VvQ7Fy+cKiEXKc+9fbUUuJhgNsq/UE2/pnVzt837zJGpwyF9FEhCHK7 Xxl/6HsnrA/Xrqvoe285vukicZjJM5dR6Nws+bT0= 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 5.15 147/167] ASoC: madera: Fix event generation for rate controls Date: Tue, 19 Jul 2022 13:54:39 +0200 Message-Id: <20220719114710.688359822@linuxfoundation.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220719114656.750574879@linuxfoundation.org> References: <20220719114656.750574879@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 980555e95f7cabdc9c80a07107622b097ba23703 ] madera_adsp_rate_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/20220623105120.1981154-5-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/madera.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/madera.c b/sound/soc/codecs/madera.c index d3e7a591b5a8..fd4fa1d5d2d1 100644 --- a/sound/soc/codecs/madera.c +++ b/sound/soc/codecs/madera.c @@ -899,7 +899,7 @@ static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; const int adsp_num = e->shift_l; const unsigned int item = ucontrol->value.enumerated.item[0]; - int ret; + int ret = 0; if (item >= e->items) return -EINVAL; @@ -916,10 +916,10 @@ static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol, "Cannot change '%s' while in use by active audio paths\n", kcontrol->id.name); ret = -EBUSY; - } else { + } else if (priv->adsp_rate_cache[adsp_num] != e->values[item]) { /* Volatile register so defer until the codec is powered up */ priv->adsp_rate_cache[adsp_num] = e->values[item]; - ret = 0; + ret = 1; } mutex_unlock(&priv->rate_lock); -- 2.35.1