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Commit 21433bb5 authored by Soumya Managoli's avatar Soumya Managoli
Browse files

ASoC: codecs: Force enable micbias standalone 



Code to enable micbias standalone irrespective
of wcd enable or disable.

Change-Id: If2052fc690e5e1110ebdbf6f9c6dbafc3bc8c493
Signed-off-by: default avatarSoumya Managoli <quic_c_smanag@quicinc.com>
parent 3fc201fd

asoc/codecs/wcd938x/internal.h

+2 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.

 */



#ifndef _WCD938X_INTERNAL_H
@@ -110,6 +111,7 @@ struct wcd938x_priv { 
	/* wcd to swr dmic notification */

	bool notify_swr_dmic;

	struct blocking_notifier_head notifier;

	int micb_enabled[WCD938X_MAX_MICBIAS];

};



struct wcd938x_micbias_setting {

asoc/codecs/wcd938x/wcd938x.c

+98 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.

 */



#include <linux/module.h>
@@ -2919,6 +2920,95 @@ static int wcd938x_bcs_put(struct snd_kcontrol *kcontrol, 
	return 0;

}



/*

 * wcd938x_codec_enable_standalone_micbias - enable micbias standalone

 * @component: pointer to component instance

 * @micb_num: number of micbias to be enabled

 * @enable: true to enable micbias or false to disable

 *

 * This function is used to enable micbias (1, 2, 3 or 4) during

 * standalone independent of whether TX use-case is running or not

 *

 * Return: error code in case of failure or 0 for success

 */



int wcd938x_codec_enable_standalone_micbias(struct snd_soc_component *component,

					int micb_num,

					bool enable)

{

	const char * const micb_names[] = {

		DAPM_MICBIAS1_STANDALONE, DAPM_MICBIAS2_STANDALONE,

		DAPM_MICBIAS3_STANDALONE, DAPM_MICBIAS4_STANDALONE

	};

	int micb_index = micb_num - 1;

	int rc;

	struct snd_soc_dapm_context *dapm =

			snd_soc_component_get_dapm(component);



	if ((micb_index < 0) || (micb_index > WCD938X_MAX_MICBIAS - 1)) {

		dev_err(component->dev, "%s: Invalid micbias index, micb_ind:%d\n",

			__func__, micb_index);

		return -EINVAL;

	}



	if (enable)

		rc = snd_soc_dapm_force_enable_pin(

						dapm,

						micb_names[micb_index]);

	else

		rc = snd_soc_dapm_disable_pin(

						dapm,

						micb_names[micb_index]);

	if (!rc)

		snd_soc_dapm_sync(dapm);

	else

		dev_err(component->dev, "%s: micbias%d force %s pin failed\n",

			__func__, micb_num, (enable ? "enable" : "disable"));



	return rc;

}

EXPORT_SYMBOL(wcd938x_codec_enable_standalone_micbias);



static int wcd938x_get_micbias(struct snd_kcontrol *kcontrol,

				struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);

	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);

	int micb_num = ((struct soc_multi_mixer_control *)

		    kcontrol->private_value)->shift;



	ucontrol->value.integer.value[0] = wcd938x->micb_enabled[micb_num - 1];

	return 0;

}



static int wcd938x_set_micbias(struct snd_kcontrol *kcontrol,

				struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);

	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);

	int micb_num = ((struct soc_multi_mixer_control *)

		    kcontrol->private_value)->shift;

	int value = ucontrol->value.integer.value[0];

	bool enable;

	int ret;



	if ((micb_num != MIC_BIAS_1) && (micb_num != MIC_BIAS_2) &&

	    (micb_num != MIC_BIAS_3) && (micb_num != MIC_BIAS_4))

		return -EINVAL;



	enable = !!value;

	ret = wcd938x_codec_enable_standalone_micbias(component, micb_num,

						    enable);

	if (ret) {

		dev_err(component->dev, "%s: Failed to enable standalone micb:%d\n",

			__func__, micb_num);

		return ret;

	}



	wcd938x->micb_enabled[micb_num - 1] = enable;

	return ret;

}



static const char * const tx_mode_mux_text_wcd9380[] = {

	"ADC_INVALID", "ADC_HIFI", "ADC_LO_HIF", "ADC_NORMAL", "ADC_LP",

};
@@ -3045,6 +3135,14 @@ static const struct snd_kcontrol_new wcd938x_snd_controls[] = { 
			wcd938x_tx_master_ch_get, wcd938x_tx_master_ch_put),

	SOC_ENUM_EXT("DMIC7 ChMap", tx_master_ch_enum,

			wcd938x_tx_master_ch_get, wcd938x_tx_master_ch_put),

	SOC_SINGLE_EXT("MIC BIAS1 Standalone", SND_SOC_NOPM, MIC_BIAS_1, 1, 0,

			wcd938x_get_micbias, wcd938x_set_micbias),

	SOC_SINGLE_EXT("MIC BIAS2 Standalone", SND_SOC_NOPM, MIC_BIAS_2, 1, 0,

			wcd938x_get_micbias, wcd938x_set_micbias),

	SOC_SINGLE_EXT("MIC BIAS3 Standalone", SND_SOC_NOPM, MIC_BIAS_3, 1, 0,

			wcd938x_get_micbias, wcd938x_set_micbias),

	SOC_SINGLE_EXT("MIC BIAS4 Standalone", SND_SOC_NOPM, MIC_BIAS_4, 1, 0,

			wcd938x_get_micbias, wcd938x_set_micbias),

};



static const struct snd_kcontrol_new adc1_switch[] = {