diff options
Diffstat (limited to 'sound/soc/codecs/wm8988.c')
-rw-r--r-- | sound/soc/codecs/wm8988.c | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c index d7170f1381aa..2e9eba717d1a 100644 --- a/sound/soc/codecs/wm8988.c +++ b/sound/soc/codecs/wm8988.c @@ -55,7 +55,6 @@ struct wm8988_priv { struct snd_pcm_hw_constraint_list *sysclk_constraints; }; - #define wm8988_reset(c) snd_soc_write(c, WM8988_RESET, 0) /* @@ -676,6 +675,8 @@ static int wm8988_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_STANDBY: if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { + snd_soc_cache_sync(codec); + /* VREF, VMID=2x5k */ snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x1c1); @@ -736,21 +737,7 @@ static int wm8988_suspend(struct snd_soc_codec *codec, pm_message_t state) static int wm8988_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 < WM8988_NUM_REG; i++) { - if (i == WM8988_RESET) - continue; - data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); - data[1] = cache[i] & 0x00ff; - codec->hw_write(codec->control_data, data, 2); - } - wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - return 0; } @@ -759,7 +746,6 @@ static int wm8988_probe(struct snd_soc_codec *codec) struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec); struct snd_soc_dapm_context *dapm = &codec->dapm; int ret = 0; - u16 reg; ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8988->control_type); if (ret < 0) { @@ -774,16 +760,11 @@ static int wm8988_probe(struct snd_soc_codec *codec) } /* set the update bits (we always update left then right) */ - reg = snd_soc_read(codec, WM8988_RADC); - snd_soc_write(codec, WM8988_RADC, reg | 0x100); - reg = snd_soc_read(codec, WM8988_RDAC); - snd_soc_write(codec, WM8988_RDAC, reg | 0x0100); - reg = snd_soc_read(codec, WM8988_ROUT1V); - snd_soc_write(codec, WM8988_ROUT1V, reg | 0x0100); - reg = snd_soc_read(codec, WM8988_ROUT2V); - snd_soc_write(codec, WM8988_ROUT2V, reg | 0x0100); - reg = snd_soc_read(codec, WM8988_RINVOL); - snd_soc_write(codec, WM8988_RINVOL, reg | 0x0100); + snd_soc_update_bits(codec, WM8988_RADC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_RDAC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_ROUT1V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_ROUT2V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_RINVOL, 0x0100, 0x0100); wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |