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Viewing changes to drivers/hwmon/adm1275.c

  • Committer: Package Import Robot
  • Author(s): John Rigby, John Rigby
  • Date: 2011-09-26 10:44:23 UTC
  • Revision ID: package-import@ubuntu.com-20110926104423-57i0gl3v99b3lkfg
Tags: 3.0.0-1007.9
https://launchpad.net/bugs/826021
[ John Rigby ]

Enable crypto modules and remove crypto-modules from
exclude-module files
LP: #826021

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drivers/hwmon/adm1275.c
 
1
/*
 
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 * Hardware monitoring driver for Analog Devices ADM1275 Hot-Swap Controller
 
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 * and Digital Power Monitor
 
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 *
 
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 * Copyright (c) 2011 Ericsson AB.
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 
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 * GNU General Public License for more details.
 
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 */
 
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#include <linux/kernel.h>
 
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#include <linux/module.h>
 
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#include <linux/init.h>
 
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#include <linux/err.h>
 
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#include <linux/slab.h>
 
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#include <linux/i2c.h>
 
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#include "pmbus.h"
 
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#define ADM1275_PMON_CONFIG             0xd4
 
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#define ADM1275_VIN_VOUT_SELECT         (1 << 6)
 
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#define ADM1275_VRANGE                  (1 << 5)
 
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static int adm1275_probe(struct i2c_client *client,
 
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                         const struct i2c_device_id *id)
 
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{
 
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        int config;
 
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        int ret;
 
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        struct pmbus_driver_info *info;
 
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        if (!i2c_check_functionality(client->adapter,
 
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                                     I2C_FUNC_SMBUS_READ_BYTE_DATA))
 
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                return -ENODEV;
 
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        info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
 
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        if (!info)
 
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                return -ENOMEM;
 
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        config = i2c_smbus_read_byte_data(client, ADM1275_PMON_CONFIG);
 
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        if (config < 0) {
 
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                ret = config;
 
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                goto err_mem;
 
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        }
 
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        info->pages = 1;
 
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        info->direct[PSC_VOLTAGE_IN] = true;
 
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        info->direct[PSC_VOLTAGE_OUT] = true;
 
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        info->direct[PSC_CURRENT_OUT] = true;
 
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        info->m[PSC_CURRENT_OUT] = 807;
 
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        info->b[PSC_CURRENT_OUT] = 20475;
 
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        info->R[PSC_CURRENT_OUT] = -1;
 
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        info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
 
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        if (config & ADM1275_VRANGE) {
 
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                info->m[PSC_VOLTAGE_IN] = 19199;
 
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                info->b[PSC_VOLTAGE_IN] = 0;
 
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                info->R[PSC_VOLTAGE_IN] = -2;
 
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                info->m[PSC_VOLTAGE_OUT] = 19199;
 
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                info->b[PSC_VOLTAGE_OUT] = 0;
 
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                info->R[PSC_VOLTAGE_OUT] = -2;
 
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        } else {
 
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                info->m[PSC_VOLTAGE_IN] = 6720;
 
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                info->b[PSC_VOLTAGE_IN] = 0;
 
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                info->R[PSC_VOLTAGE_IN] = -1;
 
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                info->m[PSC_VOLTAGE_OUT] = 6720;
 
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                info->b[PSC_VOLTAGE_OUT] = 0;
 
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                info->R[PSC_VOLTAGE_OUT] = -1;
 
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        }
 
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        if (config & ADM1275_VIN_VOUT_SELECT)
 
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                info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
 
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        else
 
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                info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT;
 
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        ret = pmbus_do_probe(client, id, info);
 
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        if (ret)
 
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                goto err_mem;
 
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        return 0;
 
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err_mem:
 
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        kfree(info);
 
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        return ret;
 
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}
 
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static int adm1275_remove(struct i2c_client *client)
 
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{
 
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        const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
 
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        int ret;
 
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        ret = pmbus_do_remove(client);
 
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        kfree(info);
 
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        return ret;
 
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}
 
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static const struct i2c_device_id adm1275_id[] = {
 
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        {"adm1275", 0},
 
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        { }
 
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};
 
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MODULE_DEVICE_TABLE(i2c, adm1275_id);
 
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static struct i2c_driver adm1275_driver = {
 
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        .driver = {
 
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                   .name = "adm1275",
 
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                   },
 
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        .probe = adm1275_probe,
 
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        .remove = adm1275_remove,
 
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        .id_table = adm1275_id,
 
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};
 
116
 
 
117
static int __init adm1275_init(void)
 
118
{
 
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        return i2c_add_driver(&adm1275_driver);
 
120
}
 
121
 
 
122
static void __exit adm1275_exit(void)
 
123
{
 
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        i2c_del_driver(&adm1275_driver);
 
125
}
 
126
 
 
127
MODULE_AUTHOR("Guenter Roeck");
 
128
MODULE_DESCRIPTION("PMBus driver for Analog Devices ADM1275");
 
129
MODULE_LICENSE("GPL");
 
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module_init(adm1275_init);
 
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module_exit(adm1275_exit);