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ASoC: wm8750: Convert to snd_soc_cache_sync

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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>
This commit is contained in:
Axel Lin 2011-10-07 21:40:44 +08:00 committed by Mark Brown
parent 9bf311fe17
commit 4d4adfc979
1 changed files with 2 additions and 14 deletions
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16
sound/soc/codecs/wm8750.c
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@ -616,6 +616,8 @@ static int wm8750_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
snd_soc_cache_sync(codec);
/* Set VMID to 5k */
snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
@ -673,21 +675,7 @@ static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8750_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(wm8750_reg); i++) {
if (i == WM8750_RESET)
continue;
data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
data[1] = cache[i] & 0x00ff;
codec->hw_write(codec->control_data, data, 2);
}
wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}