diff options
Diffstat (limited to 'drivers/gpio/max7300.c')
-rw-r--r-- | drivers/gpio/max7300.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/drivers/gpio/max7300.c b/drivers/gpio/max7300.c deleted file mode 100644 index 962f661c18c..00000000000 --- a/drivers/gpio/max7300.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * drivers/gpio/max7300.c - * - * Copyright (C) 2009 Wolfram Sang, Pengutronix - * - * 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. - * - * Check max730x.c for further details. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/i2c.h> -#include <linux/spi/max7301.h> -#include <linux/slab.h> - -static int max7300_i2c_write(struct device *dev, unsigned int reg, - unsigned int val) -{ - struct i2c_client *client = to_i2c_client(dev); - - return i2c_smbus_write_byte_data(client, reg, val); -} - -static int max7300_i2c_read(struct device *dev, unsigned int reg) -{ - struct i2c_client *client = to_i2c_client(dev); - - return i2c_smbus_read_byte_data(client, reg); -} - -static int __devinit max7300_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct max7301 *ts; - int ret; - - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) - return -EIO; - - ts = kzalloc(sizeof(struct max7301), GFP_KERNEL); - if (!ts) - return -ENOMEM; - - ts->read = max7300_i2c_read; - ts->write = max7300_i2c_write; - ts->dev = &client->dev; - - ret = __max730x_probe(ts); - if (ret) - kfree(ts); - return ret; -} - -static int __devexit max7300_remove(struct i2c_client *client) -{ - return __max730x_remove(&client->dev); -} - -static const struct i2c_device_id max7300_id[] = { - { "max7300", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, max7300_id); - -static struct i2c_driver max7300_driver = { - .driver = { - .name = "max7300", - .owner = THIS_MODULE, - }, - .probe = max7300_probe, - .remove = __devexit_p(max7300_remove), - .id_table = max7300_id, -}; - -static int __init max7300_init(void) -{ - return i2c_add_driver(&max7300_driver); -} -subsys_initcall(max7300_init); - -static void __exit max7300_exit(void) -{ - i2c_del_driver(&max7300_driver); -} -module_exit(max7300_exit); - -MODULE_AUTHOR("Wolfram Sang"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("MAX7300 GPIO-Expander"); |