73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
 | |
| /*
 | |
|  * wm8804-i2c.c  --  WM8804 S/PDIF transceiver driver - I2C
 | |
|  *
 | |
|  * Copyright 2015 Cirrus Logic Inc
 | |
|  *
 | |
|  * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
 | |
|  */
 | |
| 
 | |
| #include <linux/init.h>
 | |
| #include <linux/module.h>
 | |
| #include <linux/i2c.h>
 | |
| #include <linux/acpi.h>
 | |
| 
 | |
| #include "wm8804.h"
 | |
| 
 | |
| static int wm8804_i2c_probe(struct i2c_client *i2c)
 | |
| {
 | |
| 	struct regmap *regmap;
 | |
| 
 | |
| 	regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
 | |
| 	if (IS_ERR(regmap))
 | |
| 		return PTR_ERR(regmap);
 | |
| 
 | |
| 	return wm8804_probe(&i2c->dev, regmap);
 | |
| }
 | |
| 
 | |
| static void wm8804_i2c_remove(struct i2c_client *i2c)
 | |
| {
 | |
| 	wm8804_remove(&i2c->dev);
 | |
| }
 | |
| 
 | |
| static const struct i2c_device_id wm8804_i2c_id[] = {
 | |
| 	{ "wm8804", 0 },
 | |
| 	{ }
 | |
| };
 | |
| MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
 | |
| 
 | |
| #if defined(CONFIG_OF)
 | |
| static const struct of_device_id wm8804_of_match[] = {
 | |
| 	{ .compatible = "wlf,wm8804", },
 | |
| 	{ }
 | |
| };
 | |
| MODULE_DEVICE_TABLE(of, wm8804_of_match);
 | |
| #endif
 | |
| 
 | |
| #ifdef CONFIG_ACPI
 | |
| static const struct acpi_device_id wm8804_acpi_match[] = {
 | |
| 	{ "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
 | |
| 	{ "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
 | |
| 	{ },
 | |
| };
 | |
| MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
 | |
| #endif
 | |
| 
 | |
| static struct i2c_driver wm8804_i2c_driver = {
 | |
| 	.driver = {
 | |
| 		.name = "wm8804",
 | |
| 		.pm = &wm8804_pm,
 | |
| 		.of_match_table = of_match_ptr(wm8804_of_match),
 | |
| 		.acpi_match_table = ACPI_PTR(wm8804_acpi_match),
 | |
| 	},
 | |
| 	.probe_new = wm8804_i2c_probe,
 | |
| 	.remove = wm8804_i2c_remove,
 | |
| 	.id_table = wm8804_i2c_id
 | |
| };
 | |
| 
 | |
| module_i2c_driver(wm8804_i2c_driver);
 | |
| 
 | |
| MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
 | |
| MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
 | |
| MODULE_LICENSE("GPL");
 |