/* * Cirrus Logic CS42448/CS42888 Audio CODEC DAI I2C driver * * Copyright (C) 2014 Freescale Semiconductor, Inc. * * Author: Nicolin Chen <Guangyu.Chen@freescale.com> * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ #include <linux/i2c.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <sound/soc.h> #include "cs42xx8.h" static int cs42xx8_i2c_probe(struct i2c_client *i2c) { int ret = cs42xx8_probe(&i2c->dev, devm_regmap_init_i2c(i2c, &cs42xx8_regmap_config)); if (ret) return ret; pm_runtime_enable(&i2c->dev); pm_request_idle(&i2c->dev); return 0; } static int cs42xx8_i2c_remove(struct i2c_client *i2c) { pm_runtime_disable(&i2c->dev); return 0; } static struct i2c_device_id cs42xx8_i2c_id[] = { {"cs42448", (kernel_ulong_t)&cs42448_data}, {"cs42888", (kernel_ulong_t)&cs42888_data}, {} }; MODULE_DEVICE_TABLE(i2c, cs42xx8_i2c_id); static struct i2c_driver cs42xx8_i2c_driver = { .driver = { .name = "cs42xx8", .pm = &cs42xx8_pm, .of_match_table = cs42xx8_of_match, }, .probe_new = cs42xx8_i2c_probe, .remove = cs42xx8_i2c_remove, .id_table = cs42xx8_i2c_id, }; module_i2c_driver(cs42xx8_i2c_driver); MODULE_DESCRIPTION("Cirrus Logic CS42448/CS42888 ALSA SoC Codec I2C Driver"); MODULE_AUTHOR("Freescale Semiconductor, Inc."); MODULE_LICENSE("GPL");