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Subject[PATCH v3 03/10] ASoC: wm8731: 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/wm8731.c | 15 ++-------------
1 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index f76b6fc..7e5ec03 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -427,9 +427,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
- int i, ret;
- u8 data[2];
- u16 *cache = codec->reg_cache;
+ int ret;
u16 reg;

switch (level) {
@@ -444,16 +442,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
if (ret != 0)
return ret;

- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) {
- if (cache[i] == wm8731_reg[i])
- continue;
-
- data[0] = (i << 1) | ((cache[i] >> 8)
- & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
+ snd_soc_cache_sync(codec);
}

/* Clear PWROFF, gate CLKOUT, everything else as-is */
--
1.7.4.1




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