linux/sound/pci/hda/cs35l41_hda_property.c

// SPDX-License-Identifier: GPL-2.0
//
// CS35L41 ALSA HDA Property driver
//
// Copyright 2023 Cirrus Logic, Inc.
//
// Author: Stefan Binding <[email protected]>

#include <linux/acpi.h>
#include <linux/gpio/consumer.h>
#include <linux/string.h>
#include "cs35l41_hda_property.h"
#include <linux/spi/spi.h>

#define MAX_AMPS …

struct cs35l41_config { … };

static const struct cs35l41_config cs35l41_config_table[] = …;

static int cs35l41_add_gpios(struct cs35l41_hda *cs35l41, struct device *physdev, int reset_gpio,
			     int spkid_gpio, int cs_gpio_index, int num_amps)
{ … }

static int generic_dsd_config(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
			      const char *hid)
{ … }

/*
 * Systems 103C8C66, 103C8C67, 103C8C68, 103C8C6A use a dual speaker id system - each speaker has
 * its own speaker id.
 */
static int hp_i2c_int_2amp_dual_spkid(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
				      const char *hid)
{ … }

/*
 * Device CLSA010(0/1) doesn't have _DSD so a gpiod_get by the label reset won't work.
 * And devices created by serial-multi-instantiate don't have their device struct
 * pointing to the correct fwnode, so acpi_dev must be used here.
 * And devm functions expect that the device requesting the resource has the correct
 * fwnode.
 */
static int lenovo_legion_no_acpi(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
				 const char *hid)
{ … }

static int missing_speaker_id_gpio2(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
				    const char *hid)
{ … }

struct cs35l41_prop_model { … };

static const struct cs35l41_prop_model cs35l41_prop_model_table[] = …;

int cs35l41_add_dsd_properties(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
			       const char *hid)
{ … }