wm8731-add-support-for-32-bit-word-length.patch

From 45d6ba5f2e5e9fa2bb6be13efbe8df5a33a9b67e Mon Sep 17 00:00:00 2001
From: Bjarne Steinsbo <bsteinsbo@gmail.com>
Date: Mon, 6 Apr 2015 15:51:57 +0200
Subject: [PATCH] Add support for 32-bit word length.

Signed-off-by: Bjarne Steinsbo <bsteinsbo@gmail.com>
---
 sound/soc/codecs/wm8731.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index eebb328..688ee2e 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -357,6 +357,9 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream,
 	case 24:
 		iface |= 0x0008;
 		break;
+	case 32:
+		iface |= 0x000c;
+		break;
 	}
 
 	wm8731_set_deemph(codec);
@@ -531,7 +534,7 @@ static int wm8731_startup(struct snd_pcm_substream *substream,
 #define WM8731_RATES SNDRV_PCM_RATE_8000_96000
 
 #define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
-	SNDRV_PCM_FMTBIT_S24_LE)
+	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 
 static const struct snd_soc_dai_ops wm8731_dai_ops = {
 	.startup	= wm8731_startup,
-- 
1.9.1