linux-kernel - [PATCH 1/2] ASoC: wm8711: Fix wrong mask for setting input audio data bit length select

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Date:	Fri, 28 Oct 2011 11:08:01 +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 1/2] ASoC: wm8711: Fix wrong mask for setting input audio
 data bit length select

The Input Audio Data Bit Length Select is controlled by BIT[3:2] of
WM8711_IFACE(07h) register.
Current code incorrectly masks BIT[1:0] which is for Audio Data Format Select.

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 8d0347c..8ba49d8 100644
--- a/sound/soc/codecs/wm8711.c
+++ b/sound/soc/codecs/wm8711.c
@@ -151,7 +151,7 @@ static int wm8711_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_codec *codec = dai->codec;
 	struct wm8711_priv *wm8711 =  snd_soc_codec_get_drvdata(codec);
-	u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0xfffc;
+	u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0xfff3;
 	int i = get_coeff(wm8711->sysclk, params_rate(params));
 	u16 srate = (coeff_div[i].sr << 2) |
 		(coeff_div[i].bosr << 1) | coeff_div[i].usb;
-- 
1.7.5.4



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