77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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//
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// cs35l45-i2c.c -- CS35L45 I2C driver
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//
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// Copyright 2019-2022 Cirrus Logic, Inc.
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//
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// Author: James Schulman <james.schulman@cirrus.com>
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#include <linux/device.h>
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include "cs35l45.h"
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static int cs35l45_i2c_probe(struct i2c_client *client)
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{
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struct cs35l45_private *cs35l45;
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struct device *dev = &client->dev;
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int ret;
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cs35l45 = devm_kzalloc(dev, sizeof(struct cs35l45_private), GFP_KERNEL);
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if (!cs35l45)
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return -ENOMEM;
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i2c_set_clientdata(client, cs35l45);
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cs35l45->regmap = devm_regmap_init_i2c(client, &cs35l45_i2c_regmap);
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if (IS_ERR(cs35l45->regmap)) {
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ret = PTR_ERR(cs35l45->regmap);
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dev_err(dev, "Failed to allocate register map: %d\n", ret);
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return ret;
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}
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cs35l45->dev = dev;
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cs35l45->irq = client->irq;
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cs35l45->bus_type = CONTROL_BUS_I2C;
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cs35l45->i2c_addr = client->addr;
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return cs35l45_probe(cs35l45);
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}
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static void cs35l45_i2c_remove(struct i2c_client *client)
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{
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struct cs35l45_private *cs35l45 = i2c_get_clientdata(client);
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cs35l45_remove(cs35l45);
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}
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static const struct of_device_id cs35l45_of_match[] = {
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{ .compatible = "cirrus,cs35l45" },
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{},
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};
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MODULE_DEVICE_TABLE(of, cs35l45_of_match);
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static const struct i2c_device_id cs35l45_id_i2c[] = {
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{ "cs35l45", 0 },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, cs35l45_id_i2c);
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static struct i2c_driver cs35l45_i2c_driver = {
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.driver = {
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.name = "cs35l45",
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.of_match_table = cs35l45_of_match,
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.pm = pm_ptr(&cs35l45_pm_ops),
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},
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.id_table = cs35l45_id_i2c,
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.probe = cs35l45_i2c_probe,
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.remove = cs35l45_i2c_remove,
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};
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module_i2c_driver(cs35l45_i2c_driver);
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MODULE_DESCRIPTION("I2C CS35L45 driver");
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MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS(SND_SOC_CS35L45);
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