// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HD audio interface patch for Cirrus Logic CS8409 HDA bridge chip
*
* Copyright (C) 2021 Cirrus Logic, Inc. and
* Cirrus Logic International Semiconductor Ltd.
*/
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <linux/mutex.h>
#include <linux/iopoll.h>
#include "patch_cs8409.h"
/******************************************************************************
* CS8409 Specific Functions
******************************************************************************/
static int cs8409_parse_auto_config(struct hda_codec *codec)
{
struct cs8409_spec *spec = codec->spec;
int err;
int i;
err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0);
if (err < 0)
return err;
err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg);
if (err < 0)
return err;
/* keep the ADCs powered up when it's dynamically switchable */
if (spec->gen.dyn_adc_switch) {
unsigned int done = 0;
for (i = 0; i < spec->gen.input_mux.num_items; i++) {
int idx = spec->gen.dyn_adc_idx[i];
if (done & (1 << idx))
continue;
snd_hda_gen_fix_pin_power(codec, spec->gen.adc_nids[idx]);
