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authorAxel Lin <axel.lin@gmail.com>2011-10-07 17:37:54 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-10 13:29:57 +0400
commit960622da0d0583637e5d2de85b4202cbfc0981c6 (patch)
treefd984e2e0ad379347c606deb0128a02102f02a75 /sound/soc/codecs/wm8711.c
parent94f17e9cfa73d496c2289f02d2002465b79b0931 (diff)
downloadlinux-960622da0d0583637e5d2de85b4202cbfc0981c6.tar.xz
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>
Diffstat (limited to 'sound/soc/codecs/wm8711.c')
-rw-r--r--sound/soc/codecs/wm8711.c15
1 files 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;
}