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Subject[PATCH v3 09/10] ASoC: wm8974: Convert to snd_soc_cache_sync
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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/wm8974.c | 13 ++-----------
1 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c
index 8e3bfc1..9352f1e 100644
--- 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;
}

--
1.7.4.1




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