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authorAxel Lin <axel.lin@gmail.com>2011-10-07 15:50:23 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-10 11:29:58 +0200
commitbc45df2dd98cfd550f674c494965f0015d5f923e (patch)
treebae126654628523436d634d640fa0b68c3d24bbf /sound/soc/codecs/wm8960.c
parentASoC: wm8940: Convert to snd_soc_cache_sync (diff)
downloadlinux-bc45df2dd98cfd550f674c494965f0015d5f923e.tar.xz
linux-bc45df2dd98cfd550f674c494965f0015d5f923e.zip
ASoC: wm8960: 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/wm8960.c')
-rw-r--r--sound/soc/codecs/wm8960.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 831c20f89778..2df253c18568 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -574,6 +574,8 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ snd_soc_cache_sync(codec);
+
/* Enable anti-pop features */
snd_soc_write(codec, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
@@ -676,6 +678,9 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
WM8960_VREF | WM8960_VMID_MASK, 0);
break;
+ case SND_SOC_BIAS_OFF:
+ snd_soc_cache_sync(codec);
+ break;
default:
break;
}
@@ -901,16 +906,6 @@ static int wm8960_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8960_resume(struct snd_soc_codec *codec)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8960_reg); i++) {
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;