ASoC: wm8776: 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>

1 files changed, 2 insertions, 14 deletions

diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index 00d8846fae8a..bfdc52370ad0 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -308,6 +308,8 @@ static int wm8776_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);
+
                         /* Disable the global powerdown; DAPM does the rest */
                         snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0);
                 }
@@ -379,21 +381,7 @@ static int wm8776_suspend(struct snd_soc_codec *codec, pm_message_t state)
 
 static int wm8776_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(wm8776_reg); i++) {
-                if (cache[i] == wm8776_reg[i])
-                        continue;
-                data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
-                data[1] = cache[i] & 0x00ff;
-                codec->hw_write(codec->control_data, data, 2);
-        }
-
         wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
         return 0;
 }
 #else