Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * max1619.c - Part of lm_sensors, Linux kernel modules for hardware |
| 3 | * monitoring |
Oleksij Rempel | 9292f05 | 2012-10-10 15:25:56 +0200 | [diff] [blame] | 4 | * Copyright (C) 2003-2004 Oleksij Rempel <bug-track@fisher-privat.net> |
Jean Delvare | 7c81c60 | 2014-01-29 20:40:08 +0100 | [diff] [blame] | 5 | * Jean Delvare <jdelvare@suse.de> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * |
| 7 | * Based on the lm90 driver. The MAX1619 is a sensor chip made by Maxim. |
| 8 | * It reports up to two temperatures (its own plus up to |
| 9 | * one external one). Complete datasheet can be |
| 10 | * obtained from Maxim's website at: |
| 11 | * http://pdfserv.maxim-ic.com/en/ds/MAX1619.pdf |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License as published by |
| 15 | * the Free Software Foundation; either version 2 of the License, or |
| 16 | * (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | */ |
| 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <linux/module.h> |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/slab.h> |
| 27 | #include <linux/jiffies.h> |
| 28 | #include <linux/i2c.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 29 | #include <linux/hwmon.h> |
Jean Delvare | 71062ff | 2008-01-06 15:27:59 +0100 | [diff] [blame] | 30 | #include <linux/hwmon-sysfs.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 31 | #include <linux/err.h> |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 32 | #include <linux/mutex.h> |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 33 | #include <linux/sysfs.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
Mark M. Hoffman | 25e9c86 | 2008-02-17 22:28:03 -0500 | [diff] [blame] | 35 | static const unsigned short normal_i2c[] = { |
| 36 | 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
| 38 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | * The MAX1619 registers |
| 40 | */ |
| 41 | |
| 42 | #define MAX1619_REG_R_MAN_ID 0xFE |
| 43 | #define MAX1619_REG_R_CHIP_ID 0xFF |
| 44 | #define MAX1619_REG_R_CONFIG 0x03 |
| 45 | #define MAX1619_REG_W_CONFIG 0x09 |
| 46 | #define MAX1619_REG_R_CONVRATE 0x04 |
| 47 | #define MAX1619_REG_W_CONVRATE 0x0A |
| 48 | #define MAX1619_REG_R_STATUS 0x02 |
| 49 | #define MAX1619_REG_R_LOCAL_TEMP 0x00 |
| 50 | #define MAX1619_REG_R_REMOTE_TEMP 0x01 |
| 51 | #define MAX1619_REG_R_REMOTE_HIGH 0x07 |
| 52 | #define MAX1619_REG_W_REMOTE_HIGH 0x0D |
| 53 | #define MAX1619_REG_R_REMOTE_LOW 0x08 |
| 54 | #define MAX1619_REG_W_REMOTE_LOW 0x0E |
| 55 | #define MAX1619_REG_R_REMOTE_CRIT 0x10 |
| 56 | #define MAX1619_REG_W_REMOTE_CRIT 0x12 |
| 57 | #define MAX1619_REG_R_TCRIT_HYST 0x11 |
| 58 | #define MAX1619_REG_W_TCRIT_HYST 0x13 |
| 59 | |
| 60 | /* |
Andrew Morton | a80e8ee | 2008-10-17 17:51:16 +0200 | [diff] [blame] | 61 | * Conversions |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | */ |
| 63 | |
Andrew Morton | a80e8ee | 2008-10-17 17:51:16 +0200 | [diff] [blame] | 64 | static int temp_from_reg(int val) |
| 65 | { |
| 66 | return (val & 0x80 ? val-0x100 : val) * 1000; |
| 67 | } |
| 68 | |
| 69 | static int temp_to_reg(int val) |
| 70 | { |
| 71 | return (val < 0 ? val+0x100*1000 : val) / 1000; |
| 72 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 74 | enum temp_index { |
| 75 | t_input1 = 0, |
| 76 | t_input2, |
| 77 | t_low2, |
| 78 | t_high2, |
| 79 | t_crit2, |
| 80 | t_hyst2, |
| 81 | t_num_regs |
| 82 | }; |
| 83 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | * Client data (each client gets its own) |
| 86 | */ |
| 87 | |
| 88 | struct max1619_data { |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 89 | struct i2c_client *client; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 90 | struct mutex update_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | char valid; /* zero until following fields are valid */ |
| 92 | unsigned long last_updated; /* in jiffies */ |
| 93 | |
| 94 | /* registers values */ |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 95 | u8 temp[t_num_regs]; /* index with enum temp_index */ |
Guenter Roeck | 8958dfb | 2012-01-14 21:29:27 -0800 | [diff] [blame] | 96 | u8 alarms; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | }; |
| 98 | |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 99 | static const u8 regs_read[t_num_regs] = { |
| 100 | [t_input1] = MAX1619_REG_R_LOCAL_TEMP, |
| 101 | [t_input2] = MAX1619_REG_R_REMOTE_TEMP, |
| 102 | [t_low2] = MAX1619_REG_R_REMOTE_LOW, |
| 103 | [t_high2] = MAX1619_REG_R_REMOTE_HIGH, |
| 104 | [t_crit2] = MAX1619_REG_R_REMOTE_CRIT, |
| 105 | [t_hyst2] = MAX1619_REG_R_TCRIT_HYST, |
| 106 | }; |
| 107 | |
| 108 | static const u8 regs_write[t_num_regs] = { |
| 109 | [t_low2] = MAX1619_REG_W_REMOTE_LOW, |
| 110 | [t_high2] = MAX1619_REG_W_REMOTE_HIGH, |
| 111 | [t_crit2] = MAX1619_REG_W_REMOTE_CRIT, |
| 112 | [t_hyst2] = MAX1619_REG_W_TCRIT_HYST, |
| 113 | }; |
| 114 | |
Guenter Roeck | 40089a9 | 2014-04-12 10:14:33 -0700 | [diff] [blame] | 115 | static struct max1619_data *max1619_update_device(struct device *dev) |
| 116 | { |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 117 | struct max1619_data *data = dev_get_drvdata(dev); |
| 118 | struct i2c_client *client = data->client; |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 119 | int config, i; |
Guenter Roeck | 40089a9 | 2014-04-12 10:14:33 -0700 | [diff] [blame] | 120 | |
| 121 | mutex_lock(&data->update_lock); |
| 122 | |
| 123 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { |
| 124 | dev_dbg(&client->dev, "Updating max1619 data.\n"); |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 125 | for (i = 0; i < t_num_regs; i++) |
| 126 | data->temp[i] = i2c_smbus_read_byte_data(client, |
| 127 | regs_read[i]); |
Guenter Roeck | 40089a9 | 2014-04-12 10:14:33 -0700 | [diff] [blame] | 128 | data->alarms = i2c_smbus_read_byte_data(client, |
| 129 | MAX1619_REG_R_STATUS); |
| 130 | /* If OVERT polarity is low, reverse alarm bit */ |
| 131 | config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG); |
| 132 | if (!(config & 0x20)) |
| 133 | data->alarms ^= 0x02; |
| 134 | |
| 135 | data->last_updated = jiffies; |
| 136 | data->valid = 1; |
| 137 | } |
| 138 | |
| 139 | mutex_unlock(&data->update_lock); |
| 140 | |
| 141 | return data; |
| 142 | } |
| 143 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | /* |
| 145 | * Sysfs stuff |
| 146 | */ |
| 147 | |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 148 | static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, |
| 149 | char *buf) |
| 150 | { |
| 151 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
| 152 | struct max1619_data *data = max1619_update_device(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 154 | return sprintf(buf, "%d\n", temp_from_reg(data->temp[attr->index])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | } |
| 156 | |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 157 | static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, |
| 158 | const char *buf, size_t count) |
| 159 | { |
| 160 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 161 | struct max1619_data *data = dev_get_drvdata(dev); |
| 162 | struct i2c_client *client = data->client; |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 163 | long val; |
| 164 | int err = kstrtol(buf, 10, &val); |
| 165 | if (err) |
| 166 | return err; |
| 167 | |
| 168 | mutex_lock(&data->update_lock); |
| 169 | data->temp[attr->index] = temp_to_reg(val); |
| 170 | i2c_smbus_write_byte_data(client, regs_write[attr->index], |
| 171 | data->temp[attr->index]); |
| 172 | mutex_unlock(&data->update_lock); |
| 173 | return count; |
| 174 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | |
Julia Lawall | 23eb359d | 2016-12-22 13:04:57 +0100 | [diff] [blame] | 176 | static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, |
Guenter Roeck | 8958dfb | 2012-01-14 21:29:27 -0800 | [diff] [blame] | 177 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | { |
| 179 | struct max1619_data *data = max1619_update_device(dev); |
| 180 | return sprintf(buf, "%d\n", data->alarms); |
| 181 | } |
| 182 | |
Jean Delvare | 71062ff | 2008-01-06 15:27:59 +0100 | [diff] [blame] | 183 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, |
| 184 | char *buf) |
| 185 | { |
| 186 | int bitnr = to_sensor_dev_attr(attr)->index; |
| 187 | struct max1619_data *data = max1619_update_device(dev); |
| 188 | return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); |
| 189 | } |
| 190 | |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 191 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input1); |
| 192 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, t_input2); |
| 193 | static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp, set_temp, |
| 194 | t_low2); |
| 195 | static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp, set_temp, |
| 196 | t_high2); |
| 197 | static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp, set_temp, |
| 198 | t_crit2); |
| 199 | static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp, |
| 200 | set_temp, t_hyst2); |
| 201 | |
Julia Lawall | 23eb359d | 2016-12-22 13:04:57 +0100 | [diff] [blame] | 202 | static DEVICE_ATTR_RO(alarms); |
Jean Delvare | 71062ff | 2008-01-06 15:27:59 +0100 | [diff] [blame] | 203 | static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1); |
| 204 | static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2); |
| 205 | static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3); |
| 206 | static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 208 | static struct attribute *max1619_attrs[] = { |
Guenter Roeck | f831119 | 2014-04-12 10:28:50 -0700 | [diff] [blame] | 209 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
| 210 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
| 211 | &sensor_dev_attr_temp2_min.dev_attr.attr, |
| 212 | &sensor_dev_attr_temp2_max.dev_attr.attr, |
| 213 | &sensor_dev_attr_temp2_crit.dev_attr.attr, |
| 214 | &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 215 | |
| 216 | &dev_attr_alarms.attr, |
Jean Delvare | 71062ff | 2008-01-06 15:27:59 +0100 | [diff] [blame] | 217 | &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, |
| 218 | &sensor_dev_attr_temp2_fault.dev_attr.attr, |
| 219 | &sensor_dev_attr_temp2_min_alarm.dev_attr.attr, |
| 220 | &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 221 | NULL |
| 222 | }; |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 223 | ATTRIBUTE_GROUPS(max1619); |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 224 | |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 225 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
Jean Delvare | 310ec79 | 2009-12-14 21:17:23 +0100 | [diff] [blame] | 226 | static int max1619_detect(struct i2c_client *client, |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 227 | struct i2c_board_info *info) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | { |
Jean Delvare | 52df644 | 2009-12-09 20:35:57 +0100 | [diff] [blame] | 229 | struct i2c_adapter *adapter = client->adapter; |
| 230 | u8 reg_config, reg_convrate, reg_status, man_id, chip_id; |
Andrew Morton | b0020e3 | 2005-11-07 01:01:49 -0800 | [diff] [blame] | 231 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 233 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | |
Jean Delvare | 52df644 | 2009-12-09 20:35:57 +0100 | [diff] [blame] | 235 | /* detection */ |
| 236 | reg_config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG); |
| 237 | reg_convrate = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONVRATE); |
| 238 | reg_status = i2c_smbus_read_byte_data(client, MAX1619_REG_R_STATUS); |
| 239 | if ((reg_config & 0x03) != 0x00 |
| 240 | || reg_convrate > 0x07 || (reg_status & 0x61) != 0x00) { |
| 241 | dev_dbg(&adapter->dev, "MAX1619 detection failed at 0x%02x\n", |
| 242 | client->addr); |
| 243 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | } |
| 245 | |
Jean Delvare | 52df644 | 2009-12-09 20:35:57 +0100 | [diff] [blame] | 246 | /* identification */ |
| 247 | man_id = i2c_smbus_read_byte_data(client, MAX1619_REG_R_MAN_ID); |
| 248 | chip_id = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CHIP_ID); |
| 249 | if (man_id != 0x4D || chip_id != 0x04) { |
| 250 | dev_info(&adapter->dev, |
| 251 | "Unsupported chip (man_id=0x%02X, chip_id=0x%02X).\n", |
| 252 | man_id, chip_id); |
| 253 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | } |
| 255 | |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 256 | strlcpy(info->type, "max1619", I2C_NAME_SIZE); |
Andrew Morton | b0020e3 | 2005-11-07 01:01:49 -0800 | [diff] [blame] | 257 | |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 258 | return 0; |
| 259 | } |
| 260 | |
Guenter Roeck | 40089a9 | 2014-04-12 10:14:33 -0700 | [diff] [blame] | 261 | static void max1619_init_client(struct i2c_client *client) |
| 262 | { |
| 263 | u8 config; |
| 264 | |
| 265 | /* |
| 266 | * Start the conversions. |
| 267 | */ |
| 268 | i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONVRATE, |
| 269 | 5); /* 2 Hz */ |
| 270 | config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG); |
| 271 | if (config & 0x40) |
| 272 | i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONFIG, |
| 273 | config & 0xBF); /* run */ |
| 274 | } |
| 275 | |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 276 | static int max1619_probe(struct i2c_client *new_client, |
| 277 | const struct i2c_device_id *id) |
| 278 | { |
| 279 | struct max1619_data *data; |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 280 | struct device *hwmon_dev; |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 281 | |
Guenter Roeck | 215690a | 2012-06-02 09:58:12 -0700 | [diff] [blame] | 282 | data = devm_kzalloc(&new_client->dev, sizeof(struct max1619_data), |
| 283 | GFP_KERNEL); |
| 284 | if (!data) |
| 285 | return -ENOMEM; |
Jean Delvare | c6d3f6f | 2008-07-16 19:30:15 +0200 | [diff] [blame] | 286 | |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 287 | data->client = new_client; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 288 | mutex_init(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | /* Initialize the MAX1619 chip */ |
| 291 | max1619_init_client(new_client); |
| 292 | |
Guenter Roeck | 9f1513b | 2014-04-12 10:35:29 -0700 | [diff] [blame] | 293 | hwmon_dev = devm_hwmon_device_register_with_groups(&new_client->dev, |
| 294 | new_client->name, |
| 295 | data, |
| 296 | max1619_groups); |
| 297 | return PTR_ERR_OR_ZERO(hwmon_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | } |
| 299 | |
Guenter Roeck | 40089a9 | 2014-04-12 10:14:33 -0700 | [diff] [blame] | 300 | static const struct i2c_device_id max1619_id[] = { |
| 301 | { "max1619", 0 }, |
| 302 | { } |
| 303 | }; |
| 304 | MODULE_DEVICE_TABLE(i2c, max1619_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | |
Guenter Roeck | 40089a9 | 2014-04-12 10:14:33 -0700 | [diff] [blame] | 306 | static struct i2c_driver max1619_driver = { |
| 307 | .class = I2C_CLASS_HWMON, |
| 308 | .driver = { |
| 309 | .name = "max1619", |
| 310 | }, |
| 311 | .probe = max1619_probe, |
Guenter Roeck | 40089a9 | 2014-04-12 10:14:33 -0700 | [diff] [blame] | 312 | .id_table = max1619_id, |
| 313 | .detect = max1619_detect, |
| 314 | .address_list = normal_i2c, |
| 315 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | |
Axel Lin | f0967ee | 2012-01-20 15:38:18 +0800 | [diff] [blame] | 317 | module_i2c_driver(max1619_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | |
Jean Delvare | 7c81c60 | 2014-01-29 20:40:08 +0100 | [diff] [blame] | 319 | MODULE_AUTHOR("Oleksij Rempel <bug-track@fisher-privat.net>, Jean Delvare <jdelvare@suse.de>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | MODULE_DESCRIPTION("MAX1619 sensor driver"); |
| 321 | MODULE_LICENSE("GPL"); |