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ASoC: wm8988: 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>
hifive-unleashed-5.1
Axel Lin 2011-10-07 21:53:39 +08:00 committed by Mark Brown
parent 0bad3d8453
commit fa5fdb473e
1 changed files with 2 additions and 15 deletions
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17
sound/soc/codecs/wm8988.c
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@ -55,7 +55,6 @@ struct wm8988_priv {
struct snd_pcm_hw_constraint_list *sysclk_constraints;
};
#define wm8988_reset(c) snd_soc_write(c, WM8988_RESET, 0)
/*
@ -676,6 +675,8 @@ static int wm8988_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
snd_soc_cache_sync(codec);
/* VREF, VMID=2x5k */
snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x1c1);
@ -736,21 +737,7 @@ static int wm8988_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8988_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 < WM8988_NUM_REG; i++) {
if (i == WM8988_RESET)
continue;
data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
data[1] = cache[i] & 0x00ff;
codec->hw_write(codec->control_data, data, 2);
}
wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}