[alsa-devel] [PATCH] ASoC: wm8731: Add 32 bit functionality

[Matt Flax]

This patch adds 32 bit functionality to the wm8731 codec driver.
Enabling this functionality for the Audio Injector sound card.

Signed-off-by: Matt Flax <flatmax at flatmax.org>
---
  sound/soc/codecs/wm8731.c | 6 +++++-
  1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 4bcf5f8..a9fc3bc 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -5,6 +5,7 @@
   * Copyright 2006-12 Wolfson Microelectronics, plc
   *
   * Author: Richard Purdie <richard at openedhand.com>
+ * Author: Matt Flax <flatmax at flatmax.com> added 32bit functionality.
   *
   * Based on wm8753.c by Liam Girdwood
   *
@@ -358,6 +359,9 @@ static int wm8731_hw_params(struct snd_pcm_substream 
*substream,
  	case 24:
  		iface |= 0x0008;
  		break;
+	case 32:
+		iface |= 0x000c;
+		break;
  	}
   	wm8731_set_deemph(codec);
@@ -541,7 +545,7 @@ 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,
-- 
2.5.0