linux/drivers/soundwire/slave.c

// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
// Copyright(c) 2015-17 Intel Corporation.

#include <linux/acpi.h>
#include <linux/of.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include "bus.h"
#include "sysfs_local.h"

static void sdw_slave_release(struct device *dev)
{ … }

const struct device_type sdw_slave_type = …;

int sdw_slave_add(struct sdw_bus *bus,
		  struct sdw_slave_id *id, struct fwnode_handle *fwnode)
{ … }
EXPORT_SYMBOL(…);

#if IS_ENABLED(CONFIG_ACPI)

static bool find_slave(struct sdw_bus *bus,
		       struct acpi_device *adev,
		       struct sdw_slave_id *id)
{ … }

struct sdw_acpi_child_walk_data { … };

static int sdw_acpi_check_duplicate(struct acpi_device *adev, void *data)
{ … }

static int sdw_acpi_find_one(struct acpi_device *adev, void *data)
{ … }

/*
 * sdw_acpi_find_slaves() - Find Slave devices in Master ACPI node
 * @bus: SDW bus instance
 *
 * Scans Master ACPI node for SDW child Slave devices and registers it.
 */
int sdw_acpi_find_slaves(struct sdw_bus *bus)
{ … }

#endif

/*
 * sdw_of_find_slaves() - Find Slave devices in master device tree node
 * @bus: SDW bus instance
 *
 * Scans Master DT node for SDW child Slave devices and registers it.
 */
int sdw_of_find_slaves(struct sdw_bus *bus)
{ … }