ASoC: wm8750: 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/wm8750.c b/sound/soc/codecs/wm8750.c
index 862c520055fe..ca75a8180708 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -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;
 }