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Subject[PATCH v3 10/10] ASoC: wm8988: Convert to snd_soc_cache_sync
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Date
Convert to snd_soc_cache_sync for sync reg_cache with the hardware.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
sound/soc/codecs/wm8988.c | 17 ++---------------
1 files changed, 2 insertions(+), 15 deletions(-)
diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c
index 1c6f8bf..2e9eba7 100644
--- a/sound/soc/codecs/wm8988.c
+++ b/sound/soc/codecs/wm8988.c
@@ -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;
}

--
1.7.4.1




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