// SPDX-License-Identifier: GPL-2.0-only
/*
* wm8998.c -- ALSA SoC Audio driver for WM8998 codecs
*
* Copyright 2015 Cirrus Logic, Inc.
*
* Author: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <linux/mfd/arizona/core.h>
#include <linux/mfd/arizona/registers.h>
#include "arizona.h"
#include "wm8998.h"
struct wm8998_priv {
struct arizona_priv core;
struct arizona_fll fll[2];
};
static int wm8998_asrc_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
unsigned int val;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
val = snd_soc_component_read(component, ARIZONA_ASRC_RATE1);
val &= ARIZONA_ASRC_RATE1_MASK;
val >>= ARIZONA_ASRC_RATE1_SHIFT;
switch (val) {
case 0:
case 1:
case 2:
val = snd_soc_component_read(component,
ARIZONA_SAMPLE_RATE_1 + val);
if (val >= 0x11) {
dev_warn(component->dev,
"Unsupported ASRC rate1 (%s)\n",
arizona_sample_rate_val_to_name(val));
return