ASoC: wm8974: 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>

diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c
index 8e3bfc16def92f2947b63da2aa6505b145bc0ce0..9352f1e088d27fd4053ce7b6e6796081c1daee92 100644 (file)
--- a/sound/soc/codecs/wm8974.c
+++ b/sound/soc/codecs/wm8974.c
@@ -530,6 +530,8 @@ static int wm8974_set_bias_level(struct snd_soc_codec *codec,
                power1 |= WM8974_POWER1_BIASEN | WM8974_POWER1_BUFIOEN;
 
                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+                       snd_soc_cache_sync(codec);
+
                        /* Initial cap charge at VMID 5k */
                        snd_soc_write(codec, WM8974_POWER1, power1 | 0x3);
                        mdelay(100);
@@ -589,18 +591,7 @@ static int wm8974_suspend(struct snd_soc_codec *codec, pm_message_t state)
 
 static int wm8974_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(wm8974_reg); i++) {
-               data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
-               data[1] = cache[i] & 0x00ff;
-               codec->hw_write(codec->control_data, data, 2);
-       }
        wm8974_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
        return 0;
 }