openwrtv4/target/linux/brcm2708/patches-4.4/0423-ASoc-wm8731-add-32bit-mode.patch
Álvaro Fernández Rojas 2b1c6b21b5 brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

Also adds support for Raspberry Pi Compute Module 3 (untested).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-09-10 14:54:26 +02:00

39 lines
1.3 KiB
Diff

From 4dd7b6b8c1354ab21b4e3f85dcd513252fe8afea Mon Sep 17 00:00:00 2001
From: Matt Flax <flatmax@flatmax.org>
Date: Fri, 17 Jun 2016 14:48:16 +1000
Subject: [PATCH] ASoc: wm8731: add 32bit mode.
commit cf5ef3a299ba32f6ac24c3c6ba18c1b7f1b5475f upstream.
This patch adds 32 bit word capability to the wm8731 driver. The wm8731
codec is capable of handling 32 bit word sizes, however that has not
previously been activated in the codec driver.
Signed-off-by: Matt Flax <flatmax@flatmax.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/wm8731.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -358,6 +358,9 @@ static int wm8731_hw_params(struct snd_p
case 24:
iface |= 0x0008;
break;
+ case 32:
+ iface |= 0x000c;
+ break;
}
wm8731_set_deemph(codec);
@@ -541,7 +544,7 @@ static int wm8731_startup(struct snd_pcm
#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,