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>

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;