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asoc: wcd937x: Change voltage for micbias depending on dt value

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MICBIAS is always set to 1.8V. Change this voltage
depending on dt value for respective micbias.

Change-Id: I8eb1e71ae0256423bfd0bcc8ba2cd6bcc4a5ee61
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
This commit is contained in:
Vatsal Bucha 2018-11-15 17:02:02 +05:30 committed by Meng Wang
parent 63f4815535
commit 1793ff07cb
1 changed files with 37 additions and 1 deletions
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38
asoc/codecs/wcd937x/wcd937x.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*/
#include <linux/module.h>
@ -2082,6 +2082,36 @@ int wcd937x_info_create_codec_entry(struct snd_info_entry *codec_root,
}
EXPORT_SYMBOL(wcd937x_info_create_codec_entry);
static int wcd937x_set_micbias_data(struct wcd937x_priv *wcd937x,
struct wcd937x_pdata *pdata)
{
int vout_ctl_1 = 0, vout_ctl_2 = 0, vout_ctl_3 = 0;
int rc = 0;
if (!pdata) {
dev_err(wcd937x->dev, "%s: NULL pdata\n", __func__);
return -ENODEV;
}
/* set micbias voltage */
vout_ctl_1 = wcd937x_get_micb_vout_ctl_val(pdata->micbias.micb1_mv);
vout_ctl_2 = wcd937x_get_micb_vout_ctl_val(pdata->micbias.micb2_mv);
vout_ctl_3 = wcd937x_get_micb_vout_ctl_val(pdata->micbias.micb3_mv);
if (vout_ctl_1 < 0 || vout_ctl_2 < 0 || vout_ctl_3 < 0) {
rc = -EINVAL;
goto done;
}
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB1, 0x3F,
vout_ctl_1);
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB2, 0x3F,
vout_ctl_2);
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB3, 0x3F,
vout_ctl_3);
done:
return rc;
}
static int wcd937x_soc_codec_probe(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
@ -2574,6 +2604,12 @@ static int wcd937x_bind(struct device *dev)
}
wcd937x->tx_swr_dev->slave_irq = wcd937x->virq;
ret = wcd937x_set_micbias_data(wcd937x, pdata);
if (ret < 0) {
dev_err(dev, "%s: bad micbias pdata\n", __func__);
goto err_irq;
}
mutex_init(&wcd937x->micb_lock);
ret = snd_soc_register_component(dev, &soc_codec_dev_wcd937x,
NULL, 0);