linux-kernel - [PATCH 2/2] ASoC: wm8711: Add proper mask for wm8711_set_dai

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Message-ID: <1319771527.3944.4.camel@phoenix>
Date:	Fri, 28 Oct 2011 11:12:07 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>, alsa-devel@...a-project.org
Subject: [PATCH 2/2] ASoC: wm8711: Add proper mask for wm8711_set_dai_fmt

Add mask for BIT[3:2] (the Input Audio Data Bit Length Select)
of WM8711_IFACE(07h) register.
Otherwise, BIT[3:2] will be always set to 0b00 here.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/codecs/wm8711.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index 8ba49d8..076bdb9 100644
--- a/sound/soc/codecs/wm8711.c
+++ b/sound/soc/codecs/wm8711.c
@@ -232,7 +232,7 @@ static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai,
 		unsigned int fmt)
 {
 	struct snd_soc_codec *codec = codec_dai->codec;
-	u16 iface = 0;
+	u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0x000c;
 
 	/* set master/slave audio interface */
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-- 
1.7.5.4



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