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asoc: codecs: wcd937x: Read and store mic bias value

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Mic bias value is needed in case of special headset
detection logic and the same needs to be read and stored
from device tree to be used by mbhc driver.

Change-Id: I0b120b8bb130a4d101c97e118395a11e74c921af
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
This commit is contained in:
Vatsal Bucha
2019-07-08 11:59:32 +05:30
parent 4f42ed04c4
commit 75fbc2d27d
1 changed files with 10 additions and 0 deletions
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10
asoc/codecs/wcd937x/wcd937x-mbhc.c
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@@ -1051,6 +1051,7 @@ int wcd937x_mbhc_init(struct wcd937x_mbhc **mbhc,
{
struct wcd937x_mbhc *wcd937x_mbhc = NULL;
struct wcd_mbhc *wcd_mbhc = NULL;
struct wcd937x_pdata *pdata;
int ret = 0;
if (!component) {
@@ -1076,6 +1077,15 @@ int wcd937x_mbhc_init(struct wcd937x_mbhc **mbhc,
/* Setting default mbhc detection logic to ADC */
wcd_mbhc->mbhc_detection_logic = WCD_DETECTION_ADC;
pdata = dev_get_platdata(component->dev);
if (!pdata) {
dev_err(component->dev, "%s: pdata pointer is NULL\n",
__func__);
ret = -EINVAL;
goto err;
}
wcd_mbhc->micb_mv = pdata->micbias.micb2_mv;
ret = wcd_mbhc_init(wcd_mbhc, component, &mbhc_cb,
&intr_ids, wcd_mbhc_registers,
WCD937X_ZDET_SUPPORTED);