From: Axel Lin <axel.lin@gmail.com>
Date: Fri, 7 Oct 2011 13:37:54 +0000 (+0800)
Subject: ASoC: wm8711: Convert to snd_soc_cache_sync
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=960622da0d0583637e5d2de85b4202cbfc0981c6;p=~shefty%2Frdma-dev.git

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>
---

diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index 7475428d558..8d0347cf0e9 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;
 }