xref: /openbmc/linux/sound/soc/codecs/ad193x-i2c.c (revision 6c3d713e)
16c3d713eSLars-Peter Clausen /*
26c3d713eSLars-Peter Clausen  * AD1936/AD1937 audio driver
36c3d713eSLars-Peter Clausen  *
46c3d713eSLars-Peter Clausen  * Copyright 2014 Analog Devices Inc.
56c3d713eSLars-Peter Clausen  *
66c3d713eSLars-Peter Clausen  * Licensed under the GPL-2.
76c3d713eSLars-Peter Clausen  */
86c3d713eSLars-Peter Clausen 
96c3d713eSLars-Peter Clausen #include <linux/module.h>
106c3d713eSLars-Peter Clausen #include <linux/i2c.h>
116c3d713eSLars-Peter Clausen #include <linux/regmap.h>
126c3d713eSLars-Peter Clausen 
136c3d713eSLars-Peter Clausen #include <sound/soc.h>
146c3d713eSLars-Peter Clausen 
156c3d713eSLars-Peter Clausen #include "ad193x.h"
166c3d713eSLars-Peter Clausen 
176c3d713eSLars-Peter Clausen static const struct i2c_device_id ad193x_id[] = {
186c3d713eSLars-Peter Clausen 	{ "ad1936", 0 },
196c3d713eSLars-Peter Clausen 	{ "ad1937", 0 },
206c3d713eSLars-Peter Clausen 	{ }
216c3d713eSLars-Peter Clausen };
226c3d713eSLars-Peter Clausen MODULE_DEVICE_TABLE(i2c, ad193x_id);
236c3d713eSLars-Peter Clausen 
246c3d713eSLars-Peter Clausen static int ad193x_i2c_probe(struct i2c_client *client,
256c3d713eSLars-Peter Clausen 			    const struct i2c_device_id *id)
266c3d713eSLars-Peter Clausen {
276c3d713eSLars-Peter Clausen 	struct regmap_config config;
286c3d713eSLars-Peter Clausen 
296c3d713eSLars-Peter Clausen 	config = ad193x_regmap_config;
306c3d713eSLars-Peter Clausen 	config.val_bits = 8;
316c3d713eSLars-Peter Clausen 	config.reg_bits = 8;
326c3d713eSLars-Peter Clausen 
336c3d713eSLars-Peter Clausen 	return ad193x_probe(&client->dev, devm_regmap_init_i2c(client, &config));
346c3d713eSLars-Peter Clausen }
356c3d713eSLars-Peter Clausen 
366c3d713eSLars-Peter Clausen static int ad193x_i2c_remove(struct i2c_client *client)
376c3d713eSLars-Peter Clausen {
386c3d713eSLars-Peter Clausen 	snd_soc_unregister_codec(&client->dev);
396c3d713eSLars-Peter Clausen 	return 0;
406c3d713eSLars-Peter Clausen }
416c3d713eSLars-Peter Clausen 
426c3d713eSLars-Peter Clausen static struct i2c_driver ad193x_i2c_driver = {
436c3d713eSLars-Peter Clausen 	.driver = {
446c3d713eSLars-Peter Clausen 		.name = "ad193x",
456c3d713eSLars-Peter Clausen 	},
466c3d713eSLars-Peter Clausen 	.probe    = ad193x_i2c_probe,
476c3d713eSLars-Peter Clausen 	.remove   = ad193x_i2c_remove,
486c3d713eSLars-Peter Clausen 	.id_table = ad193x_id,
496c3d713eSLars-Peter Clausen };
506c3d713eSLars-Peter Clausen module_i2c_driver(ad193x_i2c_driver);
516c3d713eSLars-Peter Clausen 
526c3d713eSLars-Peter Clausen MODULE_DESCRIPTION("ASoC AD1936/AD1937 audio CODEC driver");
536c3d713eSLars-Peter Clausen MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
546c3d713eSLars-Peter Clausen MODULE_LICENSE("GPL");
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