linux-kernel - [PATCH 3.12 25/62] ASoC: wm8731: fix dsp mode configuration

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Message-Id: <20131210080059.194516524@linuxfoundation.org>
Date:	Tue, 10 Dec 2013 00:00:56 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Bo Shen <voice.shen@...el.com>,
	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
	Mark Brown <broonie@...aro.org>
Subject: [PATCH 3.12 25/62] ASoC: wm8731: fix dsp mode configuration

3.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bo Shen <voice.shen@...el.com>

commit b4af6ef99a60c5b56df137d7accd81ba1ee1254e upstream.

According to WM8731 "PD, Rev 4.9 October 2012" datasheet, when it
works in DSP mode A, LRP = 1, while works in DSP mode B, LRP = 0.
So, fix LRP for DSP mode as the datesheet specification.

Signed-off-by: Bo Shen <voice.shen@...el.com>
Acked-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/codecs/wm8731.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -447,10 +447,10 @@ static int wm8731_set_dai_fmt(struct snd
 		iface |= 0x0001;
 		break;
 	case SND_SOC_DAIFMT_DSP_A:
-		iface |= 0x0003;
+		iface |= 0x0013;
 		break;
 	case SND_SOC_DAIFMT_DSP_B:
-		iface |= 0x0013;
+		iface |= 0x0003;
 		break;
 	default:
 		return -EINVAL;


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