From 960622da0d0583637e5d2de85b4202cbfc0981c6 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Fri, 7 Oct 2011 21:37:54 +0800
Subject: [PATCH] ASoC: wm8711: Convert to snd_soc_cache_sync
Convert to snd_soc_cache_sync for sync reg_cache with the hardware.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
sound/soc/codecs/wm8711.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index 7475428d5588..8d0347cf0e9a 100644
--- a/sound/soc/codecs/wm8711.c
+++ b/sound/soc/codecs/wm8711.c
@@ -287,7 +287,6 @@ static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai,
return 0;
}
-
static int wm8711_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
@@ -300,6 +299,9 @@ static int wm8711_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+ snd_soc_cache_sync(codec);
+
snd_soc_write(codec, WM8711_PWR, reg | 0x0040);
break;
case SND_SOC_BIAS_OFF:
@@ -346,18 +348,7 @@ static int wm8711_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8711_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8711_reg); i++) {
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
wm8711_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}