diff options
Diffstat (limited to 'sound/soc/codecs/rt5640.c')
| -rw-r--r-- | sound/soc/codecs/rt5640.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index 8407c638cf8a..49256e2d151d 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -106,6 +106,18 @@ static int rt5640_reg_init(struct snd_soc_codec *codec) } #endif +static int rt5640_index_sync(struct snd_soc_codec *codec) +{ + int i; + + for (i = 0; i < RT5640_INIT_REG_LEN; i++) + if (RT5640_PRIV_INDEX == init_list[i].reg || + RT5640_PRIV_DATA == init_list[i].reg) + snd_soc_write(codec, init_list[i].reg, + init_list[i].val); + return 0; +} + static const u16 rt5640_reg[RT5640_VENDOR_ID2 + 1] = { [RT5640_RESET] = 0x000c, [RT5640_SPK_VOL] = 0xc8c8, @@ -2269,7 +2281,9 @@ static int rt5640_set_bias_level(struct snd_soc_codec *codec, RT5640_PWR_FV1 | RT5640_PWR_FV2, RT5640_PWR_FV1 | RT5640_PWR_FV2); codec->cache_only = false; + codec->cache_sync = 1; snd_soc_cache_sync(codec); + rt5640_index_sync(codec); } break; @@ -2381,6 +2395,7 @@ static int rt5640_remove(struct snd_soc_codec *codec) #ifdef CONFIG_PM static int rt5640_suspend(struct snd_soc_codec *codec, pm_message_t state) { + rt5640_reset(codec); rt5640_set_bias_level(codec, SND_SOC_BIAS_OFF); snd_soc_write(codec, RT5640_PWR_ANLG1, 0); @@ -2389,6 +2404,14 @@ static int rt5640_suspend(struct snd_soc_codec *codec, pm_message_t state) static int rt5640_resume(struct snd_soc_codec *codec) { + int ret = 0 ; + + codec->cache_sync = 1; + ret = snd_soc_cache_sync(codec); + if (ret) { + dev_err(codec->dev,"Failed to sync cache: %d\n", ret); + return ret; + } rt5640_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; |