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asoc: codecs: wcd938x: Enable EAR over INT2 chain

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INT2 chain drives AUX output to WCD.
EAR DAC on WCD can take input from HPHL/AUX chains.
Add register sequence updates to support EAR DAC
over AUX chain path also based on mixer setting.

Change-Id: I71db6c02f4579e3beba2816c1cfa5a492d91d702
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
This commit is contained in:
Laxminath Kasam 2019-09-03 14:11:25 +05:30
commit 8ebb07308a
1 changed files with 35 additions and 8 deletions
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43
asoc/codecs/wcd938x/wcd938x.c
View file

@ -548,12 +548,26 @@ static int wcd938x_codec_ear_dac_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd938x_rx_clk_enable(component);
snd_soc_component_update_bits(component,
wcd938x->ear_rx_path =
snd_soc_component_read32(
component, WCD938X_DIGITAL_CDC_EAR_PATH_CTL);
if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX) {
snd_soc_component_update_bits(component,
WCD938X_EAR_EAR_DAC_CON, 0x80, 0x00);
snd_soc_component_update_bits(component,
WCD938X_DIGITAL_CDC_AUX_GAIN_CTL, 0x01, 0x01);
snd_soc_component_update_bits(component,
WCD938X_DIGITAL_CDC_DIG_CLK_CTL, 0x04, 0x04);
snd_soc_component_update_bits(component,
WCD938X_ANA_EAR_COMPANDER_CTL, 0x80, 0x80);
} else {
snd_soc_component_update_bits(component,
WCD938X_DIGITAL_CDC_HPH_GAIN_CTL, 0x04, 0x04);
snd_soc_component_update_bits(component,
snd_soc_component_update_bits(component,
WCD938X_DIGITAL_CDC_DIG_CLK_CTL, 0x01, 0x01);
snd_soc_component_update_bits(component,
snd_soc_component_update_bits(component,
WCD938X_DIGITAL_CDC_COMP_CTL_0, 0x02, 0x02);
}
/* 5 msec delay as per HW requirement */
usleep_range(5000, 5010);
if (wcd938x->flyback_cur_det_disable == 0)
@ -567,6 +581,14 @@ static int wcd938x_codec_ear_dac_event(struct snd_soc_dapm_widget *w,
wcd938x->hph_mode);
break;
case SND_SOC_DAPM_POST_PMD:
if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX) {
snd_soc_component_update_bits(component,
WCD938X_DIGITAL_CDC_AUX_GAIN_CTL, 0x01, 0x00);
}
snd_soc_component_update_bits(component,
WCD938X_ANA_EAR_COMPANDER_CTL, 0x80, 0x00);
snd_soc_component_update_bits(component,
WCD938X_EAR_EAR_DAC_CON, 0x80, 0x80);
break;
};
return 0;
@ -967,16 +989,21 @@ static int wcd938x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w,
snd_soc_component_update_bits(component,
WCD938X_ANA_RX_SUPPLIES,
0x02, 0x02);
if (wcd938x->update_wcd_event)
wcd938x->update_wcd_event(wcd938x->handle,
if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX) {
if (wcd938x->update_wcd_event)
wcd938x->update_wcd_event(wcd938x->handle,
WCD_BOLERO_EVT_RX_MUTE,
(WCD_RX1 << 0x10));
if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX)
(WCD_RX3 << 0x10));
wcd_enable_irq(&wcd938x->irq_info,
WCD938X_IRQ_AUX_PDM_WD_INT);
else
} else {
if (wcd938x->update_wcd_event)
wcd938x->update_wcd_event(wcd938x->handle,
WCD_BOLERO_EVT_RX_MUTE,
(WCD_RX1 << 0x10));
wcd_enable_irq(&wcd938x->irq_info,
WCD938X_IRQ_HPHL_PDM_WD_INT);
}
break;
case SND_SOC_DAPM_PRE_PMD:
if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX)