1035 lines
32 KiB
C
1035 lines
32 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* da7219-aad.c - Dialog DA7219 ALSA SoC AAD Driver
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*
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* Copyright (c) 2015 Dialog Semiconductor Ltd.
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*
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* Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/i2c.h>
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#include <linux/property.h>
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#include <linux/pm_wakeirq.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/workqueue.h>
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#include <sound/soc.h>
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#include <sound/jack.h>
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#include <sound/da7219.h>
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#include "da7219.h"
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#include "da7219-aad.h"
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/*
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* Detection control
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*/
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void da7219_aad_jack_det(struct snd_soc_component *component, struct snd_soc_jack *jack)
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{
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struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
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da7219->aad->jack = jack;
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da7219->aad->jack_inserted = false;
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/* Send an initial empty report */
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snd_soc_jack_report(jack, 0, DA7219_AAD_REPORT_ALL_MASK);
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/* Enable/Disable jack detection */
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snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
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DA7219_ACCDET_EN_MASK,
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(jack ? DA7219_ACCDET_EN_MASK : 0));
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}
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/*
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* Button/HPTest work
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*/
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static void da7219_aad_btn_det_work(struct work_struct *work)
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{
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struct da7219_aad_priv *da7219_aad =
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container_of(work, struct da7219_aad_priv, btn_det_work);
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struct snd_soc_component *component = da7219_aad->component;
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struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
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struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
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u8 statusa, micbias_ctrl;
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bool micbias_up = false;
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int retries = 0;
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/* Disable ground switch */
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snd_soc_component_update_bits(component, 0xFB, 0x01, 0x00);
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/* Drive headphones/lineout */
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snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
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DA7219_HP_L_AMP_OE_MASK,
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DA7219_HP_L_AMP_OE_MASK);
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snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
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DA7219_HP_R_AMP_OE_MASK,
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DA7219_HP_R_AMP_OE_MASK);
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/* Make sure mic bias is up */
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snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
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snd_soc_dapm_sync(dapm);
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do {
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statusa = snd_soc_component_read(component, DA7219_ACCDET_STATUS_A);
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if (statusa & DA7219_MICBIAS_UP_STS_MASK)
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micbias_up = true;
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else if (retries++ < DA7219_AAD_MICBIAS_CHK_RETRIES)
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msleep(DA7219_AAD_MICBIAS_CHK_DELAY);
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} while ((!micbias_up) && (retries < DA7219_AAD_MICBIAS_CHK_RETRIES));
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if (retries >= DA7219_AAD_MICBIAS_CHK_RETRIES)
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dev_warn(component->dev, "Mic bias status check timed out");
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da7219->micbias_on_event = true;
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/*
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* Mic bias pulse required to enable mic, must be done before enabling
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* button detection to prevent erroneous button readings.
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*/
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if (da7219_aad->micbias_pulse_lvl && da7219_aad->micbias_pulse_time) {
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/* Pulse higher level voltage */
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micbias_ctrl = snd_soc_component_read(component, DA7219_MICBIAS_CTRL);
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snd_soc_component_update_bits(component, DA7219_MICBIAS_CTRL,
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DA7219_MICBIAS1_LEVEL_MASK,
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da7219_aad->micbias_pulse_lvl);
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msleep(da7219_aad->micbias_pulse_time);
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snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_ctrl);
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}
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snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
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DA7219_BUTTON_CONFIG_MASK,
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da7219_aad->btn_cfg);
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}
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static void da7219_aad_hptest_work(struct work_struct *work)
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{
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struct da7219_aad_priv *da7219_aad =
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container_of(work, struct da7219_aad_priv, hptest_work);
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struct snd_soc_component *component = da7219_aad->component;
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struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
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struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
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__le16 tonegen_freq_hptest;
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u8 pll_srm_sts, pll_ctrl, gain_ramp_ctrl, accdet_cfg8;
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int report = 0, ret;
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/* Lock DAPM, Kcontrols affected by this test and the PLL */
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snd_soc_dapm_mutex_lock(dapm);
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mutex_lock(&da7219->ctrl_lock);
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mutex_lock(&da7219->pll_lock);
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/* Ensure MCLK is available for HP test procedure */
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if (da7219->mclk) {
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ret = clk_prepare_enable(da7219->mclk);
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if (ret) {
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dev_err(component->dev, "Failed to enable mclk - %d\n", ret);
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mutex_unlock(&da7219->pll_lock);
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mutex_unlock(&da7219->ctrl_lock);
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snd_soc_dapm_mutex_unlock(dapm);
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return;
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}
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}
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/*
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* If MCLK not present, then we're using the internal oscillator and
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* require different frequency settings to achieve the same result.
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*
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* If MCLK is present, but PLL is not enabled then we enable it here to
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* ensure a consistent detection procedure.
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*/
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pll_srm_sts = snd_soc_component_read(component, DA7219_PLL_SRM_STS);
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if (pll_srm_sts & DA7219_PLL_SRM_STS_MCLK) {
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tonegen_freq_hptest = cpu_to_le16(DA7219_AAD_HPTEST_RAMP_FREQ);
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pll_ctrl = snd_soc_component_read(component, DA7219_PLL_CTRL);
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if ((pll_ctrl & DA7219_PLL_MODE_MASK) == DA7219_PLL_MODE_BYPASS)
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da7219_set_pll(component, DA7219_SYSCLK_PLL,
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DA7219_PLL_FREQ_OUT_98304);
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} else {
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tonegen_freq_hptest = cpu_to_le16(DA7219_AAD_HPTEST_RAMP_FREQ_INT_OSC);
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}
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/* Disable ground switch */
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snd_soc_component_update_bits(component, 0xFB, 0x01, 0x00);
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/* Ensure gain ramping at fastest rate */
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gain_ramp_ctrl = snd_soc_component_read(component, DA7219_GAIN_RAMP_CTRL);
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snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_X8);
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/* Bypass cache so it saves current settings */
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regcache_cache_bypass(da7219->regmap, true);
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/* Make sure Tone Generator is disabled */
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snd_soc_component_write(component, DA7219_TONE_GEN_CFG1, 0);
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/* Enable HPTest block, 1KOhms check */
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snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_8,
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DA7219_HPTEST_EN_MASK | DA7219_HPTEST_RES_SEL_MASK,
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DA7219_HPTEST_EN_MASK |
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DA7219_HPTEST_RES_SEL_1KOHMS);
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/* Set gains to 0db */
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snd_soc_component_write(component, DA7219_DAC_L_GAIN, DA7219_DAC_DIGITAL_GAIN_0DB);
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snd_soc_component_write(component, DA7219_DAC_R_GAIN, DA7219_DAC_DIGITAL_GAIN_0DB);
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snd_soc_component_write(component, DA7219_HP_L_GAIN, DA7219_HP_AMP_GAIN_0DB);
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snd_soc_component_write(component, DA7219_HP_R_GAIN, DA7219_HP_AMP_GAIN_0DB);
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/* Disable DAC filters, EQs and soft mute */
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snd_soc_component_update_bits(component, DA7219_DAC_FILTERS1, DA7219_HPF_MODE_MASK,
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0);
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snd_soc_component_update_bits(component, DA7219_DAC_FILTERS4, DA7219_DAC_EQ_EN_MASK,
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0);
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snd_soc_component_update_bits(component, DA7219_DAC_FILTERS5,
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DA7219_DAC_SOFTMUTE_EN_MASK, 0);
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/* Enable HP left & right paths */
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snd_soc_component_update_bits(component, DA7219_CP_CTRL, DA7219_CP_EN_MASK,
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DA7219_CP_EN_MASK);
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snd_soc_component_update_bits(component, DA7219_DIG_ROUTING_DAC,
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DA7219_DAC_L_SRC_MASK | DA7219_DAC_R_SRC_MASK,
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DA7219_DAC_L_SRC_TONEGEN |
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DA7219_DAC_R_SRC_TONEGEN);
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snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL,
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DA7219_DAC_L_EN_MASK | DA7219_DAC_L_MUTE_EN_MASK,
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DA7219_DAC_L_EN_MASK);
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snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL,
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DA7219_DAC_R_EN_MASK | DA7219_DAC_R_MUTE_EN_MASK,
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DA7219_DAC_R_EN_MASK);
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snd_soc_component_update_bits(component, DA7219_MIXOUT_L_SELECT,
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DA7219_MIXOUT_L_MIX_SELECT_MASK,
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DA7219_MIXOUT_L_MIX_SELECT_MASK);
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snd_soc_component_update_bits(component, DA7219_MIXOUT_R_SELECT,
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DA7219_MIXOUT_R_MIX_SELECT_MASK,
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DA7219_MIXOUT_R_MIX_SELECT_MASK);
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snd_soc_component_update_bits(component, DA7219_DROUTING_ST_OUTFILT_1L,
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DA7219_OUTFILT_ST_1L_SRC_MASK,
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DA7219_DMIX_ST_SRC_OUTFILT1L);
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snd_soc_component_update_bits(component, DA7219_DROUTING_ST_OUTFILT_1R,
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DA7219_OUTFILT_ST_1R_SRC_MASK,
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DA7219_DMIX_ST_SRC_OUTFILT1R);
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snd_soc_component_update_bits(component, DA7219_MIXOUT_L_CTRL,
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DA7219_MIXOUT_L_AMP_EN_MASK,
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DA7219_MIXOUT_L_AMP_EN_MASK);
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snd_soc_component_update_bits(component, DA7219_MIXOUT_R_CTRL,
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DA7219_MIXOUT_R_AMP_EN_MASK,
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DA7219_MIXOUT_R_AMP_EN_MASK);
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snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
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DA7219_HP_L_AMP_OE_MASK | DA7219_HP_L_AMP_EN_MASK,
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DA7219_HP_L_AMP_OE_MASK | DA7219_HP_L_AMP_EN_MASK);
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snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
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DA7219_HP_R_AMP_OE_MASK | DA7219_HP_R_AMP_EN_MASK,
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DA7219_HP_R_AMP_OE_MASK | DA7219_HP_R_AMP_EN_MASK);
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msleep(DA7219_SETTLING_DELAY);
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snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
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DA7219_HP_L_AMP_MUTE_EN_MASK |
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DA7219_HP_L_AMP_MIN_GAIN_EN_MASK, 0);
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snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
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DA7219_HP_R_AMP_MUTE_EN_MASK |
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DA7219_HP_R_AMP_MIN_GAIN_EN_MASK, 0);
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/*
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* If we're running from the internal oscillator then give audio paths
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* time to settle before running test.
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*/
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if (!(pll_srm_sts & DA7219_PLL_SRM_STS_MCLK))
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msleep(DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY);
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/* Configure & start Tone Generator */
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snd_soc_component_write(component, DA7219_TONE_GEN_ON_PER, DA7219_BEEP_ON_PER_MASK);
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regmap_raw_write(da7219->regmap, DA7219_TONE_GEN_FREQ1_L,
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&tonegen_freq_hptest, sizeof(tonegen_freq_hptest));
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snd_soc_component_update_bits(component, DA7219_TONE_GEN_CFG2,
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DA7219_SWG_SEL_MASK | DA7219_TONE_GEN_GAIN_MASK,
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DA7219_SWG_SEL_SRAMP |
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DA7219_TONE_GEN_GAIN_MINUS_15DB);
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snd_soc_component_write(component, DA7219_TONE_GEN_CFG1, DA7219_START_STOPN_MASK);
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msleep(DA7219_AAD_HPTEST_PERIOD);
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/* Grab comparator reading */
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accdet_cfg8 = snd_soc_component_read(component, DA7219_ACCDET_CONFIG_8);
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if (accdet_cfg8 & DA7219_HPTEST_COMP_MASK)
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report |= SND_JACK_HEADPHONE;
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else
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report |= SND_JACK_LINEOUT;
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/* Stop tone generator */
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snd_soc_component_write(component, DA7219_TONE_GEN_CFG1, 0);
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msleep(DA7219_AAD_HPTEST_PERIOD);
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/* Restore original settings from cache */
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regcache_mark_dirty(da7219->regmap);
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regcache_sync_region(da7219->regmap, DA7219_HP_L_CTRL,
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DA7219_HP_R_CTRL);
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msleep(DA7219_SETTLING_DELAY);
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regcache_sync_region(da7219->regmap, DA7219_MIXOUT_L_CTRL,
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DA7219_MIXOUT_R_CTRL);
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regcache_sync_region(da7219->regmap, DA7219_DROUTING_ST_OUTFILT_1L,
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DA7219_DROUTING_ST_OUTFILT_1R);
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regcache_sync_region(da7219->regmap, DA7219_MIXOUT_L_SELECT,
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DA7219_MIXOUT_R_SELECT);
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regcache_sync_region(da7219->regmap, DA7219_DAC_L_CTRL,
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DA7219_DAC_R_CTRL);
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regcache_sync_region(da7219->regmap, DA7219_DIG_ROUTING_DAC,
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DA7219_DIG_ROUTING_DAC);
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regcache_sync_region(da7219->regmap, DA7219_CP_CTRL, DA7219_CP_CTRL);
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regcache_sync_region(da7219->regmap, DA7219_DAC_FILTERS5,
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DA7219_DAC_FILTERS5);
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regcache_sync_region(da7219->regmap, DA7219_DAC_FILTERS4,
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DA7219_DAC_FILTERS1);
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regcache_sync_region(da7219->regmap, DA7219_HP_L_GAIN,
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DA7219_HP_R_GAIN);
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regcache_sync_region(da7219->regmap, DA7219_DAC_L_GAIN,
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DA7219_DAC_R_GAIN);
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regcache_sync_region(da7219->regmap, DA7219_TONE_GEN_ON_PER,
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DA7219_TONE_GEN_ON_PER);
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regcache_sync_region(da7219->regmap, DA7219_TONE_GEN_FREQ1_L,
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DA7219_TONE_GEN_FREQ1_U);
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regcache_sync_region(da7219->regmap, DA7219_TONE_GEN_CFG1,
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DA7219_TONE_GEN_CFG2);
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regcache_cache_bypass(da7219->regmap, false);
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/* Disable HPTest block */
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snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_8,
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DA7219_HPTEST_EN_MASK, 0);
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/*
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* If we're running from the internal oscillator then give audio paths
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* time to settle before allowing headphones to be driven as required.
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*/
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if (!(pll_srm_sts & DA7219_PLL_SRM_STS_MCLK))
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msleep(DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY);
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/* Restore gain ramping rate */
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snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL, gain_ramp_ctrl);
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/* Drive Headphones/lineout */
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snd_soc_component_update_bits(component, DA7219_HP_L_CTRL, DA7219_HP_L_AMP_OE_MASK,
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DA7219_HP_L_AMP_OE_MASK);
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snd_soc_component_update_bits(component, DA7219_HP_R_CTRL, DA7219_HP_R_AMP_OE_MASK,
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DA7219_HP_R_AMP_OE_MASK);
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/* Restore PLL to previous configuration, if re-configured */
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if ((pll_srm_sts & DA7219_PLL_SRM_STS_MCLK) &&
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((pll_ctrl & DA7219_PLL_MODE_MASK) == DA7219_PLL_MODE_BYPASS))
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da7219_set_pll(component, DA7219_SYSCLK_MCLK, 0);
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/* Remove MCLK, if previously enabled */
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if (da7219->mclk)
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clk_disable_unprepare(da7219->mclk);
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mutex_unlock(&da7219->pll_lock);
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mutex_unlock(&da7219->ctrl_lock);
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snd_soc_dapm_mutex_unlock(dapm);
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/*
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* Only send report if jack hasn't been removed during process,
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* otherwise it's invalid and we drop it.
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*/
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if (da7219_aad->jack_inserted)
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snd_soc_jack_report(da7219_aad->jack, report,
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SND_JACK_HEADSET | SND_JACK_LINEOUT);
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}
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static void da7219_aad_jack_det_work(struct work_struct *work)
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{
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struct da7219_aad_priv *da7219_aad =
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container_of(work, struct da7219_aad_priv, jack_det_work);
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struct snd_soc_component *component = da7219_aad->component;
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u8 srm_st;
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mutex_lock(&da7219_aad->jack_det_mutex);
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srm_st = snd_soc_component_read(component, DA7219_PLL_SRM_STS) & DA7219_PLL_SRM_STS_MCLK;
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msleep(da7219_aad->gnd_switch_delay * ((srm_st == 0x0) ? 2 : 1) - 4);
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/* Enable ground switch */
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snd_soc_component_update_bits(component, 0xFB, 0x01, 0x01);
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mutex_unlock(&da7219_aad->jack_det_mutex);
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}
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/*
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* IRQ
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*/
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static irqreturn_t da7219_aad_pre_irq_thread(int irq, void *data)
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{
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struct da7219_aad_priv *da7219_aad = data;
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if (!da7219_aad->jack_inserted)
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schedule_work(&da7219_aad->jack_det_work);
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return IRQ_WAKE_THREAD;
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}
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static irqreturn_t da7219_aad_irq_thread(int irq, void *data)
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{
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struct da7219_aad_priv *da7219_aad = data;
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struct snd_soc_component *component = da7219_aad->component;
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struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
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struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
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u8 events[DA7219_AAD_IRQ_REG_MAX];
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u8 statusa;
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int i, report = 0, mask = 0;
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/* Read current IRQ events */
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regmap_bulk_read(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
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events, DA7219_AAD_IRQ_REG_MAX);
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|
|
if (!events[DA7219_AAD_IRQ_REG_A] && !events[DA7219_AAD_IRQ_REG_B])
|
|
return IRQ_NONE;
|
|
|
|
/* Read status register for jack insertion & type status */
|
|
statusa = snd_soc_component_read(component, DA7219_ACCDET_STATUS_A);
|
|
|
|
/* Clear events */
|
|
regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
|
|
events, DA7219_AAD_IRQ_REG_MAX);
|
|
|
|
dev_dbg(component->dev, "IRQ events = 0x%x|0x%x, status = 0x%x\n",
|
|
events[DA7219_AAD_IRQ_REG_A], events[DA7219_AAD_IRQ_REG_B],
|
|
statusa);
|
|
|
|
if (!da7219_aad->jack_inserted)
|
|
cancel_work_sync(&da7219_aad->jack_det_work);
|
|
|
|
if (statusa & DA7219_JACK_INSERTION_STS_MASK) {
|
|
/* Jack Insertion */
|
|
if (events[DA7219_AAD_IRQ_REG_A] &
|
|
DA7219_E_JACK_INSERTED_MASK) {
|
|
report |= SND_JACK_MECHANICAL;
|
|
mask |= SND_JACK_MECHANICAL;
|
|
da7219_aad->jack_inserted = true;
|
|
}
|
|
|
|
/* Jack type detection */
|
|
if (events[DA7219_AAD_IRQ_REG_A] &
|
|
DA7219_E_JACK_DETECT_COMPLETE_MASK) {
|
|
/*
|
|
* If 4-pole, then enable button detection, else perform
|
|
* HP impedance test to determine output type to report.
|
|
*
|
|
* We schedule work here as the tasks themselves can
|
|
* take time to complete, and in particular for hptest
|
|
* we want to be able to check if the jack was removed
|
|
* during the procedure as this will invalidate the
|
|
* result. By doing this as work, the IRQ thread can
|
|
* handle a removal, and we can check at the end of
|
|
* hptest if we have a valid result or not.
|
|
*/
|
|
if (statusa & DA7219_JACK_TYPE_STS_MASK) {
|
|
report |= SND_JACK_HEADSET;
|
|
mask |= SND_JACK_HEADSET | SND_JACK_LINEOUT;
|
|
schedule_work(&da7219_aad->btn_det_work);
|
|
} else {
|
|
schedule_work(&da7219_aad->hptest_work);
|
|
}
|
|
}
|
|
|
|
/* Button support for 4-pole jack */
|
|
if (statusa & DA7219_JACK_TYPE_STS_MASK) {
|
|
for (i = 0; i < DA7219_AAD_MAX_BUTTONS; ++i) {
|
|
/* Button Press */
|
|
if (events[DA7219_AAD_IRQ_REG_B] &
|
|
(DA7219_E_BUTTON_A_PRESSED_MASK << i)) {
|
|
report |= SND_JACK_BTN_0 >> i;
|
|
mask |= SND_JACK_BTN_0 >> i;
|
|
}
|
|
}
|
|
snd_soc_jack_report(da7219_aad->jack, report, mask);
|
|
|
|
for (i = 0; i < DA7219_AAD_MAX_BUTTONS; ++i) {
|
|
/* Button Release */
|
|
if (events[DA7219_AAD_IRQ_REG_B] &
|
|
(DA7219_E_BUTTON_A_RELEASED_MASK >> i)) {
|
|
report &= ~(SND_JACK_BTN_0 >> i);
|
|
mask |= SND_JACK_BTN_0 >> i;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
/* Jack removal */
|
|
if (events[DA7219_AAD_IRQ_REG_A] & DA7219_E_JACK_REMOVED_MASK) {
|
|
report = 0;
|
|
mask |= DA7219_AAD_REPORT_ALL_MASK;
|
|
da7219_aad->jack_inserted = false;
|
|
|
|
/* Cancel any pending work */
|
|
cancel_work_sync(&da7219_aad->btn_det_work);
|
|
cancel_work_sync(&da7219_aad->hptest_work);
|
|
|
|
/* Un-drive headphones/lineout */
|
|
snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
|
|
DA7219_HP_R_AMP_OE_MASK, 0);
|
|
snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
|
|
DA7219_HP_L_AMP_OE_MASK, 0);
|
|
|
|
/* Ensure button detection disabled */
|
|
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
|
|
DA7219_BUTTON_CONFIG_MASK, 0);
|
|
|
|
da7219->micbias_on_event = false;
|
|
|
|
/* Disable mic bias */
|
|
snd_soc_dapm_disable_pin(dapm, "Mic Bias");
|
|
snd_soc_dapm_sync(dapm);
|
|
|
|
/* Disable ground switch */
|
|
snd_soc_component_update_bits(component, 0xFB, 0x01, 0x00);
|
|
}
|
|
}
|
|
|
|
snd_soc_jack_report(da7219_aad->jack, report, mask);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/*
|
|
* DT/ACPI to pdata conversion
|
|
*/
|
|
|
|
static enum da7219_aad_micbias_pulse_lvl
|
|
da7219_aad_fw_micbias_pulse_lvl(struct device *dev, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 2800:
|
|
return DA7219_AAD_MICBIAS_PULSE_LVL_2_8V;
|
|
case 2900:
|
|
return DA7219_AAD_MICBIAS_PULSE_LVL_2_9V;
|
|
default:
|
|
dev_warn(dev, "Invalid micbias pulse level");
|
|
return DA7219_AAD_MICBIAS_PULSE_LVL_OFF;
|
|
}
|
|
}
|
|
|
|
static enum da7219_aad_btn_cfg
|
|
da7219_aad_fw_btn_cfg(struct device *dev, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 2:
|
|
return DA7219_AAD_BTN_CFG_2MS;
|
|
case 5:
|
|
return DA7219_AAD_BTN_CFG_5MS;
|
|
case 10:
|
|
return DA7219_AAD_BTN_CFG_10MS;
|
|
case 50:
|
|
return DA7219_AAD_BTN_CFG_50MS;
|
|
case 100:
|
|
return DA7219_AAD_BTN_CFG_100MS;
|
|
case 200:
|
|
return DA7219_AAD_BTN_CFG_200MS;
|
|
case 500:
|
|
return DA7219_AAD_BTN_CFG_500MS;
|
|
default:
|
|
dev_warn(dev, "Invalid button config");
|
|
return DA7219_AAD_BTN_CFG_10MS;
|
|
}
|
|
}
|
|
|
|
static enum da7219_aad_mic_det_thr
|
|
da7219_aad_fw_mic_det_thr(struct device *dev, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 200:
|
|
return DA7219_AAD_MIC_DET_THR_200_OHMS;
|
|
case 500:
|
|
return DA7219_AAD_MIC_DET_THR_500_OHMS;
|
|
case 750:
|
|
return DA7219_AAD_MIC_DET_THR_750_OHMS;
|
|
case 1000:
|
|
return DA7219_AAD_MIC_DET_THR_1000_OHMS;
|
|
default:
|
|
dev_warn(dev, "Invalid mic detect threshold");
|
|
return DA7219_AAD_MIC_DET_THR_500_OHMS;
|
|
}
|
|
}
|
|
|
|
static enum da7219_aad_jack_ins_deb
|
|
da7219_aad_fw_jack_ins_deb(struct device *dev, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 5:
|
|
return DA7219_AAD_JACK_INS_DEB_5MS;
|
|
case 10:
|
|
return DA7219_AAD_JACK_INS_DEB_10MS;
|
|
case 20:
|
|
return DA7219_AAD_JACK_INS_DEB_20MS;
|
|
case 50:
|
|
return DA7219_AAD_JACK_INS_DEB_50MS;
|
|
case 100:
|
|
return DA7219_AAD_JACK_INS_DEB_100MS;
|
|
case 200:
|
|
return DA7219_AAD_JACK_INS_DEB_200MS;
|
|
case 500:
|
|
return DA7219_AAD_JACK_INS_DEB_500MS;
|
|
case 1000:
|
|
return DA7219_AAD_JACK_INS_DEB_1S;
|
|
default:
|
|
dev_warn(dev, "Invalid jack insert debounce");
|
|
return DA7219_AAD_JACK_INS_DEB_20MS;
|
|
}
|
|
}
|
|
|
|
static enum da7219_aad_jack_det_rate
|
|
da7219_aad_fw_jack_det_rate(struct device *dev, const char *str)
|
|
{
|
|
if (!strcmp(str, "32ms_64ms")) {
|
|
return DA7219_AAD_JACK_DET_RATE_32_64MS;
|
|
} else if (!strcmp(str, "64ms_128ms")) {
|
|
return DA7219_AAD_JACK_DET_RATE_64_128MS;
|
|
} else if (!strcmp(str, "128ms_256ms")) {
|
|
return DA7219_AAD_JACK_DET_RATE_128_256MS;
|
|
} else if (!strcmp(str, "256ms_512ms")) {
|
|
return DA7219_AAD_JACK_DET_RATE_256_512MS;
|
|
} else {
|
|
dev_warn(dev, "Invalid jack detect rate");
|
|
return DA7219_AAD_JACK_DET_RATE_256_512MS;
|
|
}
|
|
}
|
|
|
|
static enum da7219_aad_jack_rem_deb
|
|
da7219_aad_fw_jack_rem_deb(struct device *dev, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 1:
|
|
return DA7219_AAD_JACK_REM_DEB_1MS;
|
|
case 5:
|
|
return DA7219_AAD_JACK_REM_DEB_5MS;
|
|
case 10:
|
|
return DA7219_AAD_JACK_REM_DEB_10MS;
|
|
case 20:
|
|
return DA7219_AAD_JACK_REM_DEB_20MS;
|
|
default:
|
|
dev_warn(dev, "Invalid jack removal debounce");
|
|
return DA7219_AAD_JACK_REM_DEB_1MS;
|
|
}
|
|
}
|
|
|
|
static enum da7219_aad_btn_avg
|
|
da7219_aad_fw_btn_avg(struct device *dev, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 1:
|
|
return DA7219_AAD_BTN_AVG_1;
|
|
case 2:
|
|
return DA7219_AAD_BTN_AVG_2;
|
|
case 4:
|
|
return DA7219_AAD_BTN_AVG_4;
|
|
case 8:
|
|
return DA7219_AAD_BTN_AVG_8;
|
|
default:
|
|
dev_warn(dev, "Invalid button average value");
|
|
return DA7219_AAD_BTN_AVG_2;
|
|
}
|
|
}
|
|
|
|
static enum da7219_aad_adc_1bit_rpt
|
|
da7219_aad_fw_adc_1bit_rpt(struct device *dev, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 1:
|
|
return DA7219_AAD_ADC_1BIT_RPT_1;
|
|
case 2:
|
|
return DA7219_AAD_ADC_1BIT_RPT_2;
|
|
case 4:
|
|
return DA7219_AAD_ADC_1BIT_RPT_4;
|
|
case 8:
|
|
return DA7219_AAD_ADC_1BIT_RPT_8;
|
|
default:
|
|
dev_warn(dev, "Invalid ADC 1-bit repeat value");
|
|
return DA7219_AAD_ADC_1BIT_RPT_1;
|
|
}
|
|
}
|
|
|
|
static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = to_i2c_client(dev);
|
|
struct fwnode_handle *aad_np;
|
|
struct da7219_aad_pdata *aad_pdata;
|
|
const char *fw_str;
|
|
u32 fw_val32;
|
|
|
|
aad_np = device_get_named_child_node(dev, "da7219_aad");
|
|
if (!aad_np)
|
|
return NULL;
|
|
|
|
aad_pdata = devm_kzalloc(dev, sizeof(*aad_pdata), GFP_KERNEL);
|
|
if (!aad_pdata)
|
|
return NULL;
|
|
|
|
aad_pdata->irq = i2c->irq;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,micbias-pulse-lvl",
|
|
&fw_val32) >= 0)
|
|
aad_pdata->micbias_pulse_lvl =
|
|
da7219_aad_fw_micbias_pulse_lvl(dev, fw_val32);
|
|
else
|
|
aad_pdata->micbias_pulse_lvl = DA7219_AAD_MICBIAS_PULSE_LVL_OFF;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,micbias-pulse-time",
|
|
&fw_val32) >= 0)
|
|
aad_pdata->micbias_pulse_time = fw_val32;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,btn-cfg", &fw_val32) >= 0)
|
|
aad_pdata->btn_cfg = da7219_aad_fw_btn_cfg(dev, fw_val32);
|
|
else
|
|
aad_pdata->btn_cfg = DA7219_AAD_BTN_CFG_10MS;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,mic-det-thr", &fw_val32) >= 0)
|
|
aad_pdata->mic_det_thr =
|
|
da7219_aad_fw_mic_det_thr(dev, fw_val32);
|
|
else
|
|
aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_500_OHMS;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,jack-ins-deb", &fw_val32) >= 0)
|
|
aad_pdata->jack_ins_deb =
|
|
da7219_aad_fw_jack_ins_deb(dev, fw_val32);
|
|
else
|
|
aad_pdata->jack_ins_deb = DA7219_AAD_JACK_INS_DEB_20MS;
|
|
|
|
if (!fwnode_property_read_string(aad_np, "dlg,jack-det-rate", &fw_str))
|
|
aad_pdata->jack_det_rate =
|
|
da7219_aad_fw_jack_det_rate(dev, fw_str);
|
|
else
|
|
aad_pdata->jack_det_rate = DA7219_AAD_JACK_DET_RATE_256_512MS;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,jack-rem-deb", &fw_val32) >= 0)
|
|
aad_pdata->jack_rem_deb =
|
|
da7219_aad_fw_jack_rem_deb(dev, fw_val32);
|
|
else
|
|
aad_pdata->jack_rem_deb = DA7219_AAD_JACK_REM_DEB_1MS;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,a-d-btn-thr", &fw_val32) >= 0)
|
|
aad_pdata->a_d_btn_thr = (u8) fw_val32;
|
|
else
|
|
aad_pdata->a_d_btn_thr = 0xA;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,d-b-btn-thr", &fw_val32) >= 0)
|
|
aad_pdata->d_b_btn_thr = (u8) fw_val32;
|
|
else
|
|
aad_pdata->d_b_btn_thr = 0x16;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,b-c-btn-thr", &fw_val32) >= 0)
|
|
aad_pdata->b_c_btn_thr = (u8) fw_val32;
|
|
else
|
|
aad_pdata->b_c_btn_thr = 0x21;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,c-mic-btn-thr", &fw_val32) >= 0)
|
|
aad_pdata->c_mic_btn_thr = (u8) fw_val32;
|
|
else
|
|
aad_pdata->c_mic_btn_thr = 0x3E;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,btn-avg", &fw_val32) >= 0)
|
|
aad_pdata->btn_avg = da7219_aad_fw_btn_avg(dev, fw_val32);
|
|
else
|
|
aad_pdata->btn_avg = DA7219_AAD_BTN_AVG_2;
|
|
|
|
if (fwnode_property_read_u32(aad_np, "dlg,adc-1bit-rpt", &fw_val32) >= 0)
|
|
aad_pdata->adc_1bit_rpt =
|
|
da7219_aad_fw_adc_1bit_rpt(dev, fw_val32);
|
|
else
|
|
aad_pdata->adc_1bit_rpt = DA7219_AAD_ADC_1BIT_RPT_1;
|
|
|
|
return aad_pdata;
|
|
}
|
|
|
|
static void da7219_aad_handle_pdata(struct snd_soc_component *component)
|
|
{
|
|
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
|
|
struct da7219_aad_priv *da7219_aad = da7219->aad;
|
|
struct da7219_pdata *pdata = da7219->pdata;
|
|
|
|
if ((pdata) && (pdata->aad_pdata)) {
|
|
struct da7219_aad_pdata *aad_pdata = pdata->aad_pdata;
|
|
u8 cfg, mask;
|
|
|
|
da7219_aad->irq = aad_pdata->irq;
|
|
|
|
switch (aad_pdata->micbias_pulse_lvl) {
|
|
case DA7219_AAD_MICBIAS_PULSE_LVL_2_8V:
|
|
case DA7219_AAD_MICBIAS_PULSE_LVL_2_9V:
|
|
da7219_aad->micbias_pulse_lvl =
|
|
(aad_pdata->micbias_pulse_lvl <<
|
|
DA7219_MICBIAS1_LEVEL_SHIFT);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
da7219_aad->micbias_pulse_time = aad_pdata->micbias_pulse_time;
|
|
|
|
switch (aad_pdata->btn_cfg) {
|
|
case DA7219_AAD_BTN_CFG_2MS:
|
|
case DA7219_AAD_BTN_CFG_5MS:
|
|
case DA7219_AAD_BTN_CFG_10MS:
|
|
case DA7219_AAD_BTN_CFG_50MS:
|
|
case DA7219_AAD_BTN_CFG_100MS:
|
|
case DA7219_AAD_BTN_CFG_200MS:
|
|
case DA7219_AAD_BTN_CFG_500MS:
|
|
da7219_aad->btn_cfg = (aad_pdata->btn_cfg <<
|
|
DA7219_BUTTON_CONFIG_SHIFT);
|
|
}
|
|
|
|
cfg = 0;
|
|
mask = 0;
|
|
switch (aad_pdata->mic_det_thr) {
|
|
case DA7219_AAD_MIC_DET_THR_200_OHMS:
|
|
case DA7219_AAD_MIC_DET_THR_500_OHMS:
|
|
case DA7219_AAD_MIC_DET_THR_750_OHMS:
|
|
case DA7219_AAD_MIC_DET_THR_1000_OHMS:
|
|
cfg |= (aad_pdata->mic_det_thr <<
|
|
DA7219_MIC_DET_THRESH_SHIFT);
|
|
mask |= DA7219_MIC_DET_THRESH_MASK;
|
|
}
|
|
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1, mask, cfg);
|
|
|
|
cfg = 0;
|
|
mask = 0;
|
|
switch (aad_pdata->jack_ins_deb) {
|
|
case DA7219_AAD_JACK_INS_DEB_5MS:
|
|
case DA7219_AAD_JACK_INS_DEB_10MS:
|
|
case DA7219_AAD_JACK_INS_DEB_20MS:
|
|
case DA7219_AAD_JACK_INS_DEB_50MS:
|
|
case DA7219_AAD_JACK_INS_DEB_100MS:
|
|
case DA7219_AAD_JACK_INS_DEB_200MS:
|
|
case DA7219_AAD_JACK_INS_DEB_500MS:
|
|
case DA7219_AAD_JACK_INS_DEB_1S:
|
|
cfg |= (aad_pdata->jack_ins_deb <<
|
|
DA7219_JACKDET_DEBOUNCE_SHIFT);
|
|
mask |= DA7219_JACKDET_DEBOUNCE_MASK;
|
|
}
|
|
switch (aad_pdata->jack_det_rate) {
|
|
case DA7219_AAD_JACK_DET_RATE_32_64MS:
|
|
case DA7219_AAD_JACK_DET_RATE_64_128MS:
|
|
case DA7219_AAD_JACK_DET_RATE_128_256MS:
|
|
case DA7219_AAD_JACK_DET_RATE_256_512MS:
|
|
cfg |= (aad_pdata->jack_det_rate <<
|
|
DA7219_JACK_DETECT_RATE_SHIFT);
|
|
mask |= DA7219_JACK_DETECT_RATE_MASK;
|
|
}
|
|
switch (aad_pdata->jack_rem_deb) {
|
|
case DA7219_AAD_JACK_REM_DEB_1MS:
|
|
case DA7219_AAD_JACK_REM_DEB_5MS:
|
|
case DA7219_AAD_JACK_REM_DEB_10MS:
|
|
case DA7219_AAD_JACK_REM_DEB_20MS:
|
|
cfg |= (aad_pdata->jack_rem_deb <<
|
|
DA7219_JACKDET_REM_DEB_SHIFT);
|
|
mask |= DA7219_JACKDET_REM_DEB_MASK;
|
|
}
|
|
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_2, mask, cfg);
|
|
|
|
snd_soc_component_write(component, DA7219_ACCDET_CONFIG_3,
|
|
aad_pdata->a_d_btn_thr);
|
|
snd_soc_component_write(component, DA7219_ACCDET_CONFIG_4,
|
|
aad_pdata->d_b_btn_thr);
|
|
snd_soc_component_write(component, DA7219_ACCDET_CONFIG_5,
|
|
aad_pdata->b_c_btn_thr);
|
|
snd_soc_component_write(component, DA7219_ACCDET_CONFIG_6,
|
|
aad_pdata->c_mic_btn_thr);
|
|
|
|
cfg = 0;
|
|
mask = 0;
|
|
switch (aad_pdata->btn_avg) {
|
|
case DA7219_AAD_BTN_AVG_1:
|
|
case DA7219_AAD_BTN_AVG_2:
|
|
case DA7219_AAD_BTN_AVG_4:
|
|
case DA7219_AAD_BTN_AVG_8:
|
|
cfg |= (aad_pdata->btn_avg <<
|
|
DA7219_BUTTON_AVERAGE_SHIFT);
|
|
mask |= DA7219_BUTTON_AVERAGE_MASK;
|
|
}
|
|
switch (aad_pdata->adc_1bit_rpt) {
|
|
case DA7219_AAD_ADC_1BIT_RPT_1:
|
|
case DA7219_AAD_ADC_1BIT_RPT_2:
|
|
case DA7219_AAD_ADC_1BIT_RPT_4:
|
|
case DA7219_AAD_ADC_1BIT_RPT_8:
|
|
cfg |= (aad_pdata->adc_1bit_rpt <<
|
|
DA7219_ADC_1_BIT_REPEAT_SHIFT);
|
|
mask |= DA7219_ADC_1_BIT_REPEAT_MASK;
|
|
}
|
|
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_7, mask, cfg);
|
|
}
|
|
}
|
|
|
|
static void da7219_aad_handle_gnd_switch_time(struct snd_soc_component *component)
|
|
{
|
|
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
|
|
struct da7219_aad_priv *da7219_aad = da7219->aad;
|
|
u8 jack_det;
|
|
|
|
jack_det = snd_soc_component_read(component, DA7219_ACCDET_CONFIG_2)
|
|
& DA7219_JACK_DETECT_RATE_MASK;
|
|
switch (jack_det) {
|
|
case 0x00:
|
|
da7219_aad->gnd_switch_delay = 32;
|
|
break;
|
|
case 0x10:
|
|
da7219_aad->gnd_switch_delay = 64;
|
|
break;
|
|
case 0x20:
|
|
da7219_aad->gnd_switch_delay = 128;
|
|
break;
|
|
case 0x30:
|
|
da7219_aad->gnd_switch_delay = 256;
|
|
break;
|
|
default:
|
|
da7219_aad->gnd_switch_delay = 32;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Suspend/Resume
|
|
*/
|
|
|
|
void da7219_aad_suspend(struct snd_soc_component *component)
|
|
{
|
|
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
|
|
struct da7219_aad_priv *da7219_aad = da7219->aad;
|
|
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
|
|
u8 micbias_ctrl;
|
|
|
|
if (da7219_aad->jack) {
|
|
/* Disable jack detection during suspend */
|
|
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
|
|
DA7219_ACCDET_EN_MASK, 0);
|
|
|
|
/*
|
|
* If we have a 4-pole jack inserted, then micbias will be
|
|
* enabled. We can disable micbias here, and keep a note to
|
|
* re-enable it on resume. If jack removal occurred during
|
|
* suspend then this will be dealt with through the IRQ handler.
|
|
*/
|
|
if (da7219_aad->jack_inserted) {
|
|
micbias_ctrl = snd_soc_component_read(component, DA7219_MICBIAS_CTRL);
|
|
if (micbias_ctrl & DA7219_MICBIAS1_EN_MASK) {
|
|
snd_soc_dapm_disable_pin(dapm, "Mic Bias");
|
|
snd_soc_dapm_sync(dapm);
|
|
da7219_aad->micbias_resume_enable = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void da7219_aad_resume(struct snd_soc_component *component)
|
|
{
|
|
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
|
|
struct da7219_aad_priv *da7219_aad = da7219->aad;
|
|
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
|
|
|
|
if (da7219_aad->jack) {
|
|
/* Re-enable micbias if previously enabled for 4-pole jack */
|
|
if (da7219_aad->jack_inserted &&
|
|
da7219_aad->micbias_resume_enable) {
|
|
snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
|
|
snd_soc_dapm_sync(dapm);
|
|
da7219_aad->micbias_resume_enable = false;
|
|
}
|
|
|
|
/* Re-enable jack detection */
|
|
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
|
|
DA7219_ACCDET_EN_MASK,
|
|
DA7219_ACCDET_EN_MASK);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Init/Exit
|
|
*/
|
|
|
|
int da7219_aad_init(struct snd_soc_component *component)
|
|
{
|
|
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
|
|
struct da7219_aad_priv *da7219_aad = da7219->aad;
|
|
u8 mask[DA7219_AAD_IRQ_REG_MAX];
|
|
int ret;
|
|
|
|
da7219_aad->component = component;
|
|
|
|
/* Handle any DT/ACPI/platform data */
|
|
da7219_aad_handle_pdata(component);
|
|
|
|
/* Disable button detection */
|
|
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
|
|
DA7219_BUTTON_CONFIG_MASK, 0);
|
|
|
|
INIT_WORK(&da7219_aad->btn_det_work, da7219_aad_btn_det_work);
|
|
INIT_WORK(&da7219_aad->hptest_work, da7219_aad_hptest_work);
|
|
INIT_WORK(&da7219_aad->jack_det_work, da7219_aad_jack_det_work);
|
|
|
|
mutex_init(&da7219_aad->jack_det_mutex);
|
|
|
|
ret = request_threaded_irq(da7219_aad->irq, da7219_aad_pre_irq_thread,
|
|
da7219_aad_irq_thread,
|
|
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
|
|
"da7219-aad", da7219_aad);
|
|
if (ret) {
|
|
dev_err(component->dev, "Failed to request IRQ: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Unmask AAD IRQs */
|
|
memset(mask, 0, DA7219_AAD_IRQ_REG_MAX);
|
|
regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_MASK_A,
|
|
&mask, DA7219_AAD_IRQ_REG_MAX);
|
|
|
|
da7219_aad_handle_gnd_switch_time(component);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void da7219_aad_exit(struct snd_soc_component *component)
|
|
{
|
|
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
|
|
struct da7219_aad_priv *da7219_aad = da7219->aad;
|
|
u8 mask[DA7219_AAD_IRQ_REG_MAX];
|
|
|
|
/* Mask off AAD IRQs */
|
|
memset(mask, DA7219_BYTE_MASK, DA7219_AAD_IRQ_REG_MAX);
|
|
regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_MASK_A,
|
|
mask, DA7219_AAD_IRQ_REG_MAX);
|
|
|
|
free_irq(da7219_aad->irq, da7219_aad);
|
|
|
|
cancel_work_sync(&da7219_aad->btn_det_work);
|
|
cancel_work_sync(&da7219_aad->hptest_work);
|
|
}
|
|
|
|
/*
|
|
* AAD related I2C probe handling
|
|
*/
|
|
|
|
int da7219_aad_probe(struct i2c_client *i2c)
|
|
{
|
|
struct da7219_priv *da7219 = i2c_get_clientdata(i2c);
|
|
struct device *dev = &i2c->dev;
|
|
struct da7219_aad_priv *da7219_aad;
|
|
|
|
da7219_aad = devm_kzalloc(dev, sizeof(*da7219_aad), GFP_KERNEL);
|
|
if (!da7219_aad)
|
|
return -ENOMEM;
|
|
|
|
da7219->aad = da7219_aad;
|
|
|
|
/* Retrieve any DT/ACPI/platform data */
|
|
if (da7219->pdata && !da7219->pdata->aad_pdata)
|
|
da7219->pdata->aad_pdata = da7219_aad_fw_to_pdata(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
MODULE_DESCRIPTION("ASoC DA7219 AAD Driver");
|
|
MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
|
|
MODULE_LICENSE("GPL");
|