linux-kernel - [PATCH 1/2] ASoC: tlv320aic23: Clear TLV320AIC23_MS

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Message-ID: <1319704549.2673.2.camel@phoenix>
Date:	Thu, 27 Oct 2011 16:35:49 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Jarkko Nikula <jarkko.nikula@...mer.com>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	alsa-devel@...a-project.org
Subject: [PATCH 1/2] ASoC: tlv320aic23: Clear TLV320AIC23_MS_MASTER bit for
 slave mode

According to the datasheet:

Digital Audio Interface Format (07h) register:
BIT6:	Master/slave mode
	0: Slave
	1: Master

Current code sets TLV320AIC23_MS_MASTER bit for master mode,
but does not clear it for slave mode.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/codecs/tlv320aic23.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c
index ab27dbc..336de8f 100644
--- a/sound/soc/codecs/tlv320aic23.c
+++ b/sound/soc/codecs/tlv320aic23.c
@@ -430,6 +430,7 @@ static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai,
 		iface_reg |= TLV320AIC23_MS_MASTER;
 		break;
 	case SND_SOC_DAIFMT_CBS_CFS:
+		iface_reg &= ~TLV320AIC23_MS_MASTER;
 		break;
 	default:
 		return -EINVAL;
-- 
1.7.5.4



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