korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-04 09:34:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: wm8974: Convert to snd_soc_cache_sync

Browse Source 
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>
This commit is contained in:
Axel Lin 2011-10-07 21:52:42 +08:00 committed by Mark Brown
parent e46199ece4
commit 0bad3d8453
1 changed files with 2 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
sound/soc/codecs/wm8974.c
View File

@ -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;
}