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ASoC: rk3308_codec: To clairfy micbias1 and micbias2

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Change-Id: I38ce7b06ff265213908e45edcda38f146e78a736
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
This commit is contained in:
Xing Zheng
2019-01-29 19:31:20 +08:00
committed by Tao Huang
parent 1feeff8758
commit 55aebfa23b
1 changed files with 37 additions and 13 deletions
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50
sound/soc/codecs/rk3308_codec.c
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@@ -170,6 +170,7 @@ struct rk3308_codec_priv {
u32 delay_loopback_handle_ms;
u32 delay_start_play_ms;
u32 delay_pa_drv_ms;
u32 micbias_num;
int which_i2s;
int irq;
int adc_grp0_using_linein;
@@ -201,7 +202,8 @@ struct rk3308_codec_priv {
bool enable_all_adcs;
bool enable_micbias;
bool internal_micbias;
bool micbias1;
bool micbias2;
bool hp_plugged;
bool loopback_dacs_enabled;
bool no_deep_low_power;
@@ -2742,12 +2744,15 @@ static int rk3308_codec_micbias_enable(struct rk3308_codec_priv *rk3308,
* (ADC_ANA_CON7+0x40)[3] used to control the MICBIAS1, and
* (ADC_ANA_CON7+0x80)[3] used to control the MICBIAS2
*/
regmap_update_bits(rk3308->regmap, RK3308_ADC_ANA_CON07(1),
RK3308_ADC_MIC_BIAS_BUF_EN,
RK3308_ADC_MIC_BIAS_BUF_EN);
regmap_update_bits(rk3308->regmap, RK3308_ADC_ANA_CON07(2),
RK3308_ADC_MIC_BIAS_BUF_EN,
RK3308_ADC_MIC_BIAS_BUF_EN);
if (rk3308->micbias1)
regmap_update_bits(rk3308->regmap, RK3308_ADC_ANA_CON07(1),
RK3308_ADC_MIC_BIAS_BUF_EN,
RK3308_ADC_MIC_BIAS_BUF_EN);
if (rk3308->micbias2)
regmap_update_bits(rk3308->regmap, RK3308_ADC_ANA_CON07(2),
RK3308_ADC_MIC_BIAS_BUF_EN,
RK3308_ADC_MIC_BIAS_BUF_EN);
rk3308->enable_micbias = true;
@@ -3447,7 +3452,7 @@ 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 &&
if (rk3308->micbias_num &&
!rk3308->enable_micbias)
rk3308_codec_micbias_enable(rk3308, RK3308_ADC_MICBIAS_VOLT_0_85);
@@ -3457,7 +3462,7 @@ static int rk3308_hw_params(struct snd_pcm_substream *substream,
return ret;
if (handle_loopback(rk3308)) {
if (rk3308->internal_micbias &&
if (rk3308->micbias_num &&
(params_channels(params) == 2) &&
to_mapped_grp(rk3308, 0) == rk3308->loopback_grp)
rk3308_codec_micbias_disable(rk3308);
@@ -3565,7 +3570,7 @@ 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 &&
if (rk3308->micbias_num &&
rk3308->enable_micbias)
rk3308_codec_micbias_disable(rk3308);
}
@@ -3798,6 +3803,26 @@ static int rk3308_codec_dapm_mic_gains(struct rk3308_codec_priv *rk3308)
return 0;
}
static int rk3308_codec_check_micbias(struct rk3308_codec_priv *rk3308,
struct device_node *np)
{
int num = 0;
rk3308->micbias1 =
of_property_read_bool(np, "rockchip,micbias1");
if (rk3308->micbias1)
num++;
rk3308->micbias2 =
of_property_read_bool(np, "rockchip,micbias2");
if (rk3308->micbias2)
num++;
rk3308->micbias_num = num;
return 0;
}
static int rk3308_codec_dapm_controls_prepare(struct rk3308_codec_priv *rk3308)
{
int grp;
@@ -4605,12 +4630,11 @@ static int rk3308_platform_probe(struct platform_device *pdev)
return ret;
}
rk3308_codec_check_micbias(rk3308, np);
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");