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68 lines
1.5 KiB
68 lines
1.5 KiB
// 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 <[email protected]> |
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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/module.h> |
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#include <linux/of_device.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_new = 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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