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@xxxxxxxxxxx>
---
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@xxxxxxxxxxxxxx>
+ * Author: Matt Flax <flatmax@xxxxxxxxxxx> 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
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