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authorAxel Lin <axel.lin@gmail.com>2011-10-07 21:39:09 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-10 10:29:57 +0100
commit9bf311fe17f16effaf264af76cb3aaaf384556b3 (patch)
tree02c927aa77f97cf7d68d21cd8fc4a5476aa0975b /sound/soc/codecs/wm8731.c
parent960622da0d0583637e5d2de85b4202cbfc0981c6 (diff)
ASoC: wm8731: 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>
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r--sound/soc/codecs/wm8731.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index f76b6fc6766..7e5ec03f6f8 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 */