linux_dsm_epyc7002/sound/soc/codecs/cs42l51-i2c.c
Olivier Moysan 75a714823e
ASoC: cs42l51: add power management
Add sleep PM callbacks to support system low power modes.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-04-04 20:56:08 +07:00

61 lines
1.4 KiB
C

/*
* cs42l56.c -- CS42L51 ALSA SoC I2C audio driver
*
* Copyright 2014 CirrusLogic, Inc.
*
* Author: Brian Austin <brian.austin@cirrus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/i2c.h>
#include <linux/module.h>
#include <sound/soc.h>
#include "cs42l51.h"
static struct i2c_device_id cs42l51_i2c_id[] = {
{"cs42l51", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, cs42l51_i2c_id);
static int cs42l51_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct regmap_config config;
config = cs42l51_regmap;
return cs42l51_probe(&i2c->dev, devm_regmap_init_i2c(i2c, &config));
}
static int cs42l51_i2c_remove(struct i2c_client *i2c)
{
return cs42l51_remove(&i2c->dev);
}
static const struct dev_pm_ops cs42l51_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(cs42l51_suspend, cs42l51_resume)
};
static struct i2c_driver cs42l51_i2c_driver = {
.driver = {
.name = "cs42l51",
.of_match_table = cs42l51_of_match,
.pm = &cs42l51_pm_ops,
},
.probe = cs42l51_i2c_probe,
.remove = cs42l51_i2c_remove,
.id_table = cs42l51_i2c_id,
};
module_i2c_driver(cs42l51_i2c_driver);
MODULE_DESCRIPTION("ASoC CS42L51 I2C Driver");
MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
MODULE_LICENSE("GPL");