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70 lines
1.7 KiB
70 lines
1.7 KiB
/* |
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* Cirrus Logic CS42448/CS42888 Audio CODEC DAI I2C driver |
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* |
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* Copyright (C) 2014 Freescale Semiconductor, Inc. |
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* |
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* Author: Nicolin Chen <[email protected]> |
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* |
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* This file is licensed under the terms of the GNU General Public License |
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* version 2. This program is licensed "as is" without any warranty of any |
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* kind, whether express or implied. |
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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/pm_runtime.h> |
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#include <sound/soc.h> |
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#include "cs42xx8.h" |
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static int cs42xx8_i2c_probe(struct i2c_client *i2c, |
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const struct i2c_device_id *id) |
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{ |
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int ret = cs42xx8_probe(&i2c->dev, |
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devm_regmap_init_i2c(i2c, &cs42xx8_regmap_config)); |
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if (ret) |
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return ret; |
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pm_runtime_enable(&i2c->dev); |
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pm_request_idle(&i2c->dev); |
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return 0; |
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} |
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static int cs42xx8_i2c_remove(struct i2c_client *i2c) |
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{ |
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pm_runtime_disable(&i2c->dev); |
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return 0; |
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} |
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static struct i2c_device_id cs42xx8_i2c_id[] = { |
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{"cs42448", (kernel_ulong_t)&cs42448_data}, |
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{"cs42888", (kernel_ulong_t)&cs42888_data}, |
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{} |
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}; |
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MODULE_DEVICE_TABLE(i2c, cs42xx8_i2c_id); |
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const struct of_device_id cs42xx8_i2c_of_match[] = { |
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{ .compatible = "cirrus,cs42448", .data = &cs42448_data, }, |
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{ .compatible = "cirrus,cs42888", .data = &cs42888_data, }, |
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{ /* sentinel */ } |
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}; |
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MODULE_DEVICE_TABLE(of, cs42xx8_i2c_of_match); |
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static struct i2c_driver cs42xx8_i2c_driver = { |
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.driver = { |
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.name = "cs42xx8", |
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.pm = &cs42xx8_pm, |
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.of_match_table = cs42xx8_i2c_of_match, |
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}, |
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.probe = cs42xx8_i2c_probe, |
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.remove = cs42xx8_i2c_remove, |
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.id_table = cs42xx8_i2c_id, |
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}; |
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module_i2c_driver(cs42xx8_i2c_driver); |
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MODULE_DESCRIPTION("Cirrus Logic CS42448/CS42888 ALSA SoC Codec I2C Driver"); |
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MODULE_AUTHOR("Freescale Semiconductor, Inc."); |
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MODULE_LICENSE("GPL");
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