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ASoC: wcd937x: Fix audio distortion issue during headset record

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Audio is distorted during first 3 secs on headset record
while doing device switch from dmic to headset mic.
Disable BCS before slow insertion detection and enable it
afterwards to resolve the issue.

Change-Id: Icb18a0b5decb0c0bd9959bce7cced70a27566d41
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
This commit is contained in:
Vatsal Bucha
2019-10-23 12:32:29 +05:30
committed by Gerrit - the friendly Code Review server
parent 2e421b5771
commit a9675d1a5d
3 changed files with 29 additions and 0 deletions
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4
asoc/codecs/wcd937x/internal.h
View File

@@ -133,6 +133,7 @@ enum {
WCD_BOLERO_EVT_RX_MUTE = 1, /* for RX mute/unmute */
WCD_BOLERO_EVT_IMPED_TRUE, /* for imped true */
WCD_BOLERO_EVT_IMPED_FALSE, /* for imped false */
WCD_BOLERO_EVT_BCS_CLK_OFF,
};
enum {
@@ -164,6 +165,9 @@ enum {
WCD937X_NUM_IRQS,
};
extern void wcd937x_disable_bcs_before_slow_insert(
struct snd_soc_component *component,
bool bcs_disable);
extern struct wcd937x_mbhc *wcd937x_soc_get_mbhc(
struct snd_soc_component *component);
extern int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_component *component,

10
asoc/codecs/wcd937x/wcd937x-mbhc.c
View File

@@ -810,6 +810,15 @@ static void wcd937x_mbhc_moisture_polling_ctrl(struct wcd_mbhc *mbhc,
0x04, (enable << 2));
}
static void wcd937x_mbhc_bcs_enable(struct wcd_mbhc *mbhc,
bool bcs_enable)
{
if (bcs_enable)
wcd937x_disable_bcs_before_slow_insert(mbhc->component, false);
else
wcd937x_disable_bcs_before_slow_insert(mbhc->component, true);
}
static const struct wcd_mbhc_cb mbhc_cb = {
.request_irq = wcd937x_mbhc_request_irq,
.irq_control = wcd937x_mbhc_irq_control,
@@ -834,6 +843,7 @@ static const struct wcd_mbhc_cb mbhc_cb = {
.mbhc_get_moisture_status = wcd937x_mbhc_get_moisture_status,
.mbhc_moisture_polling_ctrl = wcd937x_mbhc_moisture_polling_ctrl,
.mbhc_moisture_detect_en = wcd937x_mbhc_moisture_detect_en,
.bcs_enable = wcd937x_mbhc_bcs_enable,
};
static int wcd937x_get_hph_type(struct snd_kcontrol *kcontrol,

15
asoc/codecs/wcd937x/wcd937x.c
View File

@@ -1517,6 +1517,21 @@ int wcd937x_micbias_control(struct snd_soc_component *component,
}
EXPORT_SYMBOL(wcd937x_micbias_control);
void wcd937x_disable_bcs_before_slow_insert(struct snd_soc_component *component,
bool bcs_disable)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
if (wcd937x->update_wcd_event) {
if (bcs_disable)
wcd937x->update_wcd_event(wcd937x->handle,
WCD_BOLERO_EVT_BCS_CLK_OFF, 0);
else
wcd937x->update_wcd_event(wcd937x->handle,
WCD_BOLERO_EVT_BCS_CLK_OFF, 1);
}
}
static int wcd937x_get_logical_addr(struct swr_device *swr_dev)
{
int ret = 0;