diff options
| author | Xing Zheng <zhengxing@rock-chips.com> | 2019-01-23 12:44:19 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2019-01-24 09:12:19 +0800 |
| commit | c010707ce1242b3c1cafd9a6a18895f2349c1157 (patch) | |
| tree | f9f31d01ff262a8df07f61f1a442e17de9ac63de | |
| parent | 1b7c3fcb5b1056ef601a8ac4cf2519d9fadbb71d (diff) | |
ASoC: rk3308_codec: handle micbias and optimize codec power
Change-Id: I0e21dac2b89230250b70de217afc28447501a906
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
| -rw-r--r-- | sound/soc/codecs/rk3308_codec.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/sound/soc/codecs/rk3308_codec.c b/sound/soc/codecs/rk3308_codec.c index 6013abb6a154..be801d074cfc 100644 --- a/sound/soc/codecs/rk3308_codec.c +++ b/sound/soc/codecs/rk3308_codec.c @@ -199,7 +199,9 @@ struct rk3308_codec_priv { unsigned int hpout_l_dgain; unsigned int hpout_r_dgain; + bool enable_micbias; bool enable_all_adcs; + bool internal_micbias; bool hp_plugged; bool loopback_dacs_enabled; bool no_deep_low_power; @@ -2620,6 +2622,8 @@ static int rk3308_codec_micbias_enable(struct rk3308_codec_priv *rk3308, RK3308_ADC_MIC_BIAS_BUF_EN, RK3308_ADC_MIC_BIAS_BUF_EN); + rk3308->enable_micbias = true; + return 0; } @@ -2649,6 +2653,8 @@ static int rk3308_codec_micbias_disable(struct rk3308_codec_priv *rk3308) RK3308_ADC_MICBIAS_CURRENT_MSK, RK3308_ADC_MICBIAS_CURRENT_DIS); + rk3308->enable_micbias = false; + return 0; } @@ -3314,12 +3320,21 @@ static int rk3308_hw_params(struct snd_pcm_substream *substream, rk3308_codec_dac_dig_config(rk3308, params); rk3308_codec_set_dac_path_state(rk3308, PATH_BUSY); } else { + if (rk3308->internal_micbias && + !rk3308->enable_micbias) + rk3308_codec_micbias_enable(rk3308, RK3308_ADC_MICBIAS_VOLT_0_85); + rk3308_codec_adc_mclk_enable(rk3308); ret = rk3308_codec_update_adc_grps(rk3308, params); if (ret < 0) return ret; if (handle_loopback(rk3308)) { + if (rk3308->internal_micbias && + (params_channels(params) == 2) && + to_mapped_grp(rk3308, 0) == rk3308->loopback_grp) + rk3308_codec_micbias_disable(rk3308); + /* Check the DACs are opened */ if (playback_str->substream_opened) { rk3308->loopback_dacs_enabled = true; @@ -3423,6 +3438,9 @@ static void rk3308_pcm_shutdown(struct snd_pcm_substream *substream, if (!has_en_always_grps(rk3308)) { rk3308_codec_adc_mclk_disable(rk3308); rk3308_codec_update_adcs_status(rk3308, PATH_IDLE); + if (rk3308->internal_micbias && + rk3308->enable_micbias) + rk3308_codec_micbias_disable(rk3308); } regcache_cache_only(rk3308->regmap, false); @@ -3662,7 +3680,7 @@ static int rk3308_probe(struct snd_soc_codec *codec) rk3308_codec_power_on(rk3308); /* From vendor recommend */ - rk3308_codec_micbias_enable(rk3308, RK3308_ADC_MICBIAS_VOLT_0_85); + rk3308_codec_micbias_disable(rk3308); rk3308_codec_prepare(rk3308); if (!rk3308->no_hp_det) @@ -4432,6 +4450,9 @@ static int rk3308_platform_probe(struct platform_device *pdev) rk3308->enable_all_adcs = of_property_read_bool(np, "rockchip,enable-all-adcs"); + rk3308->internal_micbias = + of_property_read_bool(np, "rockchip,internal-micbias"); + rk3308->no_deep_low_power = of_property_read_bool(np, "rockchip,no-deep-low-power"); |