69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* wm8731-i2c.c -- WM8731 ALSA SoC Audio driver I2C code
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*
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* Copyright 2005 Openedhand Ltd.
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* Copyright 2006-12 Wolfson Microelectronics, plc
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*
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* Author: Richard Purdie <richard@openedhand.com>
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*
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* Based on wm8753.c by Liam Girdwood
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*/
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#include <linux/i2c.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include "wm8731.h"
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static const struct of_device_id wm8731_of_match[] = {
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{ .compatible = "wlf,wm8731", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, wm8731_of_match);
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static int wm8731_i2c_probe(struct i2c_client *i2c)
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{
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struct wm8731_priv *wm8731;
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int ret;
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wm8731 = devm_kzalloc(&i2c->dev, sizeof(struct wm8731_priv),
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GFP_KERNEL);
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if (wm8731 == NULL)
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return -ENOMEM;
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i2c_set_clientdata(i2c, wm8731);
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wm8731->regmap = devm_regmap_init_i2c(i2c, &wm8731_regmap);
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if (IS_ERR(wm8731->regmap)) {
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ret = PTR_ERR(wm8731->regmap);
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dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
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ret);
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return ret;
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}
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return wm8731_init(&i2c->dev, wm8731);
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}
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static const struct i2c_device_id wm8731_i2c_id[] = {
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{ "wm8731", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id);
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static struct i2c_driver wm8731_i2c_driver = {
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.driver = {
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.name = "wm8731",
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.of_match_table = wm8731_of_match,
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},
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.probe = wm8731_i2c_probe,
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.id_table = wm8731_i2c_id,
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};
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module_i2c_driver(wm8731_i2c_driver);
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MODULE_DESCRIPTION("ASoC WM8731 driver - I2C");
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MODULE_AUTHOR("Richard Purdie");
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MODULE_LICENSE("GPL");
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