diff options
Diffstat (limited to 'sound/soc/codecs/rt5639.c')
-rw-r--r-- | sound/soc/codecs/rt5639.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5639.c b/sound/soc/codecs/rt5639.c index 0fd74a45d9ca..d13fb47fb2b5 100644 --- a/sound/soc/codecs/rt5639.c +++ b/sound/soc/codecs/rt5639.c @@ -105,6 +105,18 @@ static int rt5639_reg_init(struct snd_soc_codec *codec) } #endif +static int rt5639_index_sync(struct snd_soc_codec *codec) +{ + int i; + + for (i = 0; i < RT5639_INIT_REG_LEN; i++) + if (RT5639_PRIV_INDEX == init_list[i].reg || + RT5639_PRIV_DATA == init_list[i].reg) + snd_soc_write(codec, init_list[i].reg, + init_list[i].val); + return 0; +} + static const u16 rt5639_reg[RT5639_VENDOR_ID2 + 1] = { [RT5639_RESET] = 0x0008, [RT5639_SPK_VOL] = 0xc8c8, @@ -2213,7 +2225,9 @@ static int rt5639_set_bias_level(struct snd_soc_codec *codec, RT5639_PWR_FV1 | RT5639_PWR_FV2, RT5639_PWR_FV1 | RT5639_PWR_FV2); codec->cache_only = false; + codec->cache_sync = 1; snd_soc_cache_sync(codec); + rt5639_index_sync(codec); } break; @@ -2311,13 +2325,23 @@ static int rt5639_remove(struct snd_soc_codec *codec) #ifdef CONFIG_PM static int rt5639_suspend(struct snd_soc_codec *codec, pm_message_t state) { + rt5639_reset(codec); rt5639_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } static int rt5639_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; + } rt5639_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + return 0; } #else |