Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 1 | /* |
| 2 | * Power supply driver for testing. |
| 3 | * |
| 4 | * Copyright 2010 Anton Vorontsov <cbouatmailru@gmail.com> |
| 5 | * |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 6 | * Dynamic module parameter code from the Virtual Battery Driver |
| 7 | * Copyright (C) 2008 Pylone, Inc. |
| 8 | * By: Masashi YOKOTA <yokota@pylone.jp> |
| 9 | * Originally found here: |
| 10 | * http://downloads.pylone.jp/src/virtual_battery/virtual_battery-0.0.1.tar.bz2 |
| 11 | * |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License version 2 as |
| 14 | * published by the Free Software Foundation. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/power_supply.h> |
| 20 | #include <linux/errno.h> |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/vermagic.h> |
| 23 | |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 24 | static int ac_online = 1; |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 25 | static int usb_online = 1; |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 26 | static int battery_status = POWER_SUPPLY_STATUS_DISCHARGING; |
| 27 | static int battery_health = POWER_SUPPLY_HEALTH_GOOD; |
| 28 | static int battery_present = 1; /* true */ |
| 29 | static int battery_technology = POWER_SUPPLY_TECHNOLOGY_LION; |
| 30 | static int battery_capacity = 50; |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 31 | |
| 32 | static int test_power_get_ac_property(struct power_supply *psy, |
| 33 | enum power_supply_property psp, |
| 34 | union power_supply_propval *val) |
| 35 | { |
| 36 | switch (psp) { |
| 37 | case POWER_SUPPLY_PROP_ONLINE: |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 38 | val->intval = ac_online; |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 39 | break; |
| 40 | default: |
| 41 | return -EINVAL; |
| 42 | } |
| 43 | return 0; |
| 44 | } |
| 45 | |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 46 | static int test_power_get_usb_property(struct power_supply *psy, |
| 47 | enum power_supply_property psp, |
| 48 | union power_supply_propval *val) |
| 49 | { |
| 50 | switch (psp) { |
| 51 | case POWER_SUPPLY_PROP_ONLINE: |
| 52 | val->intval = usb_online; |
| 53 | break; |
| 54 | default: |
| 55 | return -EINVAL; |
| 56 | } |
| 57 | return 0; |
| 58 | } |
| 59 | |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 60 | static int test_power_get_battery_property(struct power_supply *psy, |
| 61 | enum power_supply_property psp, |
| 62 | union power_supply_propval *val) |
| 63 | { |
| 64 | switch (psp) { |
| 65 | case POWER_SUPPLY_PROP_MODEL_NAME: |
| 66 | val->strval = "Test battery"; |
| 67 | break; |
| 68 | case POWER_SUPPLY_PROP_MANUFACTURER: |
| 69 | val->strval = "Linux"; |
| 70 | break; |
| 71 | case POWER_SUPPLY_PROP_SERIAL_NUMBER: |
| 72 | val->strval = UTS_RELEASE; |
| 73 | break; |
| 74 | case POWER_SUPPLY_PROP_STATUS: |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 75 | val->intval = battery_status; |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 76 | break; |
| 77 | case POWER_SUPPLY_PROP_CHARGE_TYPE: |
| 78 | val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; |
| 79 | break; |
| 80 | case POWER_SUPPLY_PROP_HEALTH: |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 81 | val->intval = battery_health; |
| 82 | break; |
| 83 | case POWER_SUPPLY_PROP_PRESENT: |
| 84 | val->intval = battery_present; |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 85 | break; |
| 86 | case POWER_SUPPLY_PROP_TECHNOLOGY: |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 87 | val->intval = battery_technology; |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 88 | break; |
| 89 | case POWER_SUPPLY_PROP_CAPACITY_LEVEL: |
| 90 | val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; |
| 91 | break; |
| 92 | case POWER_SUPPLY_PROP_CAPACITY: |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 93 | case POWER_SUPPLY_PROP_CHARGE_NOW: |
| 94 | val->intval = battery_capacity; |
| 95 | break; |
| 96 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
| 97 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
| 98 | val->intval = 100; |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 99 | break; |
| 100 | case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: |
| 101 | case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW: |
| 102 | val->intval = 3600; |
| 103 | break; |
| 104 | default: |
| 105 | pr_info("%s: some properties deliberately report errors.\n", |
| 106 | __func__); |
| 107 | return -EINVAL; |
| 108 | } |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | static enum power_supply_property test_power_ac_props[] = { |
| 113 | POWER_SUPPLY_PROP_ONLINE, |
| 114 | }; |
| 115 | |
| 116 | static enum power_supply_property test_power_battery_props[] = { |
| 117 | POWER_SUPPLY_PROP_STATUS, |
| 118 | POWER_SUPPLY_PROP_CHARGE_TYPE, |
| 119 | POWER_SUPPLY_PROP_HEALTH, |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 120 | POWER_SUPPLY_PROP_PRESENT, |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 121 | POWER_SUPPLY_PROP_TECHNOLOGY, |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 122 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 123 | POWER_SUPPLY_PROP_CHARGE_FULL, |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 124 | POWER_SUPPLY_PROP_CHARGE_NOW, |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 125 | POWER_SUPPLY_PROP_CAPACITY, |
| 126 | POWER_SUPPLY_PROP_CAPACITY_LEVEL, |
| 127 | POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, |
| 128 | POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, |
| 129 | POWER_SUPPLY_PROP_MODEL_NAME, |
| 130 | POWER_SUPPLY_PROP_MANUFACTURER, |
| 131 | POWER_SUPPLY_PROP_SERIAL_NUMBER, |
| 132 | }; |
| 133 | |
| 134 | static char *test_power_ac_supplied_to[] = { |
| 135 | "test_battery", |
| 136 | }; |
| 137 | |
| 138 | static struct power_supply test_power_supplies[] = { |
| 139 | { |
| 140 | .name = "test_ac", |
| 141 | .type = POWER_SUPPLY_TYPE_MAINS, |
| 142 | .supplied_to = test_power_ac_supplied_to, |
| 143 | .num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to), |
| 144 | .properties = test_power_ac_props, |
| 145 | .num_properties = ARRAY_SIZE(test_power_ac_props), |
| 146 | .get_property = test_power_get_ac_property, |
| 147 | }, { |
| 148 | .name = "test_battery", |
| 149 | .type = POWER_SUPPLY_TYPE_BATTERY, |
| 150 | .properties = test_power_battery_props, |
| 151 | .num_properties = ARRAY_SIZE(test_power_battery_props), |
| 152 | .get_property = test_power_get_battery_property, |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 153 | }, { |
| 154 | .name = "test_usb", |
| 155 | .type = POWER_SUPPLY_TYPE_USB, |
| 156 | .supplied_to = test_power_ac_supplied_to, |
| 157 | .num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to), |
| 158 | .properties = test_power_ac_props, |
| 159 | .num_properties = ARRAY_SIZE(test_power_ac_props), |
| 160 | .get_property = test_power_get_usb_property, |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 161 | }, |
| 162 | }; |
| 163 | |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 164 | |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 165 | static int __init test_power_init(void) |
| 166 | { |
| 167 | int i; |
| 168 | int ret; |
| 169 | |
| 170 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) { |
| 171 | ret = power_supply_register(NULL, &test_power_supplies[i]); |
| 172 | if (ret) { |
| 173 | pr_err("%s: failed to register %s\n", __func__, |
| 174 | test_power_supplies[i].name); |
| 175 | goto failed; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return 0; |
| 180 | failed: |
| 181 | while (--i >= 0) |
| 182 | power_supply_unregister(&test_power_supplies[i]); |
| 183 | return ret; |
| 184 | } |
| 185 | module_init(test_power_init); |
| 186 | |
| 187 | static void __exit test_power_exit(void) |
| 188 | { |
| 189 | int i; |
| 190 | |
| 191 | /* Let's see how we handle changes... */ |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 192 | ac_online = 0; |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 193 | usb_online = 0; |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 194 | battery_status = POWER_SUPPLY_STATUS_DISCHARGING; |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 195 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) |
| 196 | power_supply_changed(&test_power_supplies[i]); |
| 197 | pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n", |
| 198 | __func__); |
| 199 | ssleep(10); |
| 200 | |
| 201 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) |
| 202 | power_supply_unregister(&test_power_supplies[i]); |
| 203 | } |
| 204 | module_exit(test_power_exit); |
| 205 | |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 206 | |
| 207 | |
| 208 | #define MAX_KEYLENGTH 256 |
| 209 | struct battery_property_map { |
| 210 | int value; |
| 211 | char const *key; |
| 212 | }; |
| 213 | |
| 214 | static struct battery_property_map map_ac_online[] = { |
| 215 | { 0, "on" }, |
| 216 | { 1, "off" }, |
| 217 | { -1, NULL }, |
| 218 | }; |
| 219 | |
| 220 | static struct battery_property_map map_status[] = { |
| 221 | { POWER_SUPPLY_STATUS_CHARGING, "charging" }, |
| 222 | { POWER_SUPPLY_STATUS_DISCHARGING, "discharging" }, |
| 223 | { POWER_SUPPLY_STATUS_NOT_CHARGING, "not-charging" }, |
| 224 | { POWER_SUPPLY_STATUS_FULL, "full" }, |
| 225 | { -1, NULL }, |
| 226 | }; |
| 227 | |
| 228 | static struct battery_property_map map_health[] = { |
| 229 | { POWER_SUPPLY_HEALTH_GOOD, "good" }, |
| 230 | { POWER_SUPPLY_HEALTH_OVERHEAT, "overheat" }, |
| 231 | { POWER_SUPPLY_HEALTH_DEAD, "dead" }, |
| 232 | { POWER_SUPPLY_HEALTH_OVERVOLTAGE, "overvoltage" }, |
| 233 | { POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, "failure" }, |
| 234 | { -1, NULL }, |
| 235 | }; |
| 236 | |
| 237 | static struct battery_property_map map_present[] = { |
| 238 | { 0, "false" }, |
| 239 | { 1, "true" }, |
| 240 | { -1, NULL }, |
| 241 | }; |
| 242 | |
| 243 | static struct battery_property_map map_technology[] = { |
| 244 | { POWER_SUPPLY_TECHNOLOGY_NiMH, "NiMH" }, |
| 245 | { POWER_SUPPLY_TECHNOLOGY_LION, "LION" }, |
| 246 | { POWER_SUPPLY_TECHNOLOGY_LIPO, "LIPO" }, |
| 247 | { POWER_SUPPLY_TECHNOLOGY_LiFe, "LiFe" }, |
| 248 | { POWER_SUPPLY_TECHNOLOGY_NiCd, "NiCd" }, |
| 249 | { POWER_SUPPLY_TECHNOLOGY_LiMn, "LiMn" }, |
| 250 | { -1, NULL }, |
| 251 | }; |
| 252 | |
| 253 | |
| 254 | static int map_get_value(struct battery_property_map *map, const char *key, |
| 255 | int def_val) |
| 256 | { |
| 257 | char buf[MAX_KEYLENGTH]; |
| 258 | int cr; |
| 259 | |
| 260 | strncpy(buf, key, MAX_KEYLENGTH); |
| 261 | buf[MAX_KEYLENGTH-1] = '\0'; |
| 262 | |
| 263 | cr = strnlen(buf, MAX_KEYLENGTH) - 1; |
| 264 | if (buf[cr] == '\n') |
| 265 | buf[cr] = '\0'; |
| 266 | |
| 267 | while (map->key) { |
| 268 | if (strncasecmp(map->key, buf, MAX_KEYLENGTH) == 0) |
| 269 | return map->value; |
| 270 | map++; |
| 271 | } |
| 272 | |
| 273 | return def_val; |
| 274 | } |
| 275 | |
| 276 | |
| 277 | static const char *map_get_key(struct battery_property_map *map, int value, |
| 278 | const char *def_key) |
| 279 | { |
| 280 | while (map->key) { |
| 281 | if (map->value == value) |
| 282 | return map->key; |
| 283 | map++; |
| 284 | } |
| 285 | |
| 286 | return def_key; |
| 287 | } |
| 288 | |
| 289 | static int param_set_ac_online(const char *key, const struct kernel_param *kp) |
| 290 | { |
| 291 | ac_online = map_get_value(map_ac_online, key, ac_online); |
| 292 | power_supply_changed(&test_power_supplies[0]); |
| 293 | return 0; |
| 294 | } |
| 295 | |
| 296 | static int param_get_ac_online(char *buffer, const struct kernel_param *kp) |
| 297 | { |
| 298 | strcpy(buffer, map_get_key(map_ac_online, ac_online, "unknown")); |
| 299 | return strlen(buffer); |
| 300 | } |
| 301 | |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 302 | static int param_set_usb_online(const char *key, const struct kernel_param *kp) |
| 303 | { |
| 304 | usb_online = map_get_value(map_ac_online, key, usb_online); |
| 305 | power_supply_changed(&test_power_supplies[2]); |
| 306 | return 0; |
| 307 | } |
| 308 | |
| 309 | static int param_get_usb_online(char *buffer, const struct kernel_param *kp) |
| 310 | { |
| 311 | strcpy(buffer, map_get_key(map_ac_online, usb_online, "unknown")); |
| 312 | return strlen(buffer); |
| 313 | } |
| 314 | |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 315 | static int param_set_battery_status(const char *key, |
| 316 | const struct kernel_param *kp) |
| 317 | { |
| 318 | battery_status = map_get_value(map_status, key, battery_status); |
| 319 | power_supply_changed(&test_power_supplies[1]); |
| 320 | return 0; |
| 321 | } |
| 322 | |
| 323 | static int param_get_battery_status(char *buffer, const struct kernel_param *kp) |
| 324 | { |
| 325 | strcpy(buffer, map_get_key(map_status, battery_status, "unknown")); |
| 326 | return strlen(buffer); |
| 327 | } |
| 328 | |
| 329 | static int param_set_battery_health(const char *key, |
| 330 | const struct kernel_param *kp) |
| 331 | { |
| 332 | battery_health = map_get_value(map_health, key, battery_health); |
| 333 | power_supply_changed(&test_power_supplies[1]); |
| 334 | return 0; |
| 335 | } |
| 336 | |
| 337 | static int param_get_battery_health(char *buffer, const struct kernel_param *kp) |
| 338 | { |
| 339 | strcpy(buffer, map_get_key(map_health, battery_health, "unknown")); |
| 340 | return strlen(buffer); |
| 341 | } |
| 342 | |
| 343 | static int param_set_battery_present(const char *key, |
| 344 | const struct kernel_param *kp) |
| 345 | { |
| 346 | battery_present = map_get_value(map_present, key, battery_present); |
| 347 | power_supply_changed(&test_power_supplies[0]); |
| 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | static int param_get_battery_present(char *buffer, |
| 352 | const struct kernel_param *kp) |
| 353 | { |
| 354 | strcpy(buffer, map_get_key(map_present, battery_present, "unknown")); |
| 355 | return strlen(buffer); |
| 356 | } |
| 357 | |
| 358 | static int param_set_battery_technology(const char *key, |
| 359 | const struct kernel_param *kp) |
| 360 | { |
| 361 | battery_technology = map_get_value(map_technology, key, |
| 362 | battery_technology); |
| 363 | power_supply_changed(&test_power_supplies[1]); |
| 364 | return 0; |
| 365 | } |
| 366 | |
| 367 | static int param_get_battery_technology(char *buffer, |
| 368 | const struct kernel_param *kp) |
| 369 | { |
| 370 | strcpy(buffer, |
| 371 | map_get_key(map_technology, battery_technology, "unknown")); |
| 372 | return strlen(buffer); |
| 373 | } |
| 374 | |
| 375 | static int param_set_battery_capacity(const char *key, |
| 376 | const struct kernel_param *kp) |
| 377 | { |
| 378 | int tmp; |
| 379 | |
| 380 | if (1 != sscanf(key, "%d", &tmp)) |
| 381 | return -EINVAL; |
| 382 | |
| 383 | battery_capacity = tmp; |
| 384 | power_supply_changed(&test_power_supplies[1]); |
| 385 | return 0; |
| 386 | } |
| 387 | |
| 388 | #define param_get_battery_capacity param_get_int |
| 389 | |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 390 | static struct kernel_param_ops param_ops_ac_online = { |
| 391 | .set = param_set_ac_online, |
| 392 | .get = param_get_ac_online, |
| 393 | }; |
| 394 | |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 395 | static struct kernel_param_ops param_ops_usb_online = { |
| 396 | .set = param_set_usb_online, |
| 397 | .get = param_get_usb_online, |
| 398 | }; |
| 399 | |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 400 | static struct kernel_param_ops param_ops_battery_status = { |
| 401 | .set = param_set_battery_status, |
| 402 | .get = param_get_battery_status, |
| 403 | }; |
| 404 | |
| 405 | static struct kernel_param_ops param_ops_battery_present = { |
| 406 | .set = param_set_battery_present, |
| 407 | .get = param_get_battery_present, |
| 408 | }; |
| 409 | |
| 410 | static struct kernel_param_ops param_ops_battery_technology = { |
| 411 | .set = param_set_battery_technology, |
| 412 | .get = param_get_battery_technology, |
| 413 | }; |
| 414 | |
| 415 | static struct kernel_param_ops param_ops_battery_health = { |
| 416 | .set = param_set_battery_health, |
| 417 | .get = param_get_battery_health, |
| 418 | }; |
| 419 | |
| 420 | static struct kernel_param_ops param_ops_battery_capacity = { |
| 421 | .set = param_set_battery_capacity, |
| 422 | .get = param_get_battery_capacity, |
| 423 | }; |
| 424 | |
| 425 | |
| 426 | #define param_check_ac_online(name, p) __param_check(name, p, void); |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 427 | #define param_check_usb_online(name, p) __param_check(name, p, void); |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 428 | #define param_check_battery_status(name, p) __param_check(name, p, void); |
| 429 | #define param_check_battery_present(name, p) __param_check(name, p, void); |
| 430 | #define param_check_battery_technology(name, p) __param_check(name, p, void); |
| 431 | #define param_check_battery_health(name, p) __param_check(name, p, void); |
| 432 | #define param_check_battery_capacity(name, p) __param_check(name, p, void); |
| 433 | |
| 434 | |
| 435 | module_param(ac_online, ac_online, 0644); |
| 436 | MODULE_PARM_DESC(ac_online, "AC charging state <on|off>"); |
| 437 | |
Dmitry Eremin-Solenikov | 7384737 | 2012-05-29 13:37:43 +0400 | [diff] [blame^] | 438 | module_param(usb_online, usb_online, 0644); |
| 439 | MODULE_PARM_DESC(usb_online, "USB charging state <on|off>"); |
| 440 | |
John Stultz | f17ef9b | 2011-04-25 20:25:24 -0700 | [diff] [blame] | 441 | module_param(battery_status, battery_status, 0644); |
| 442 | MODULE_PARM_DESC(battery_status, |
| 443 | "battery status <charging|discharging|not-charging|full>"); |
| 444 | |
| 445 | module_param(battery_present, battery_present, 0644); |
| 446 | MODULE_PARM_DESC(battery_present, |
| 447 | "battery presence state <good|overheat|dead|overvoltage|failure>"); |
| 448 | |
| 449 | module_param(battery_technology, battery_technology, 0644); |
| 450 | MODULE_PARM_DESC(battery_technology, |
| 451 | "battery technology <NiMH|LION|LIPO|LiFe|NiCd|LiMn>"); |
| 452 | |
| 453 | module_param(battery_health, battery_health, 0644); |
| 454 | MODULE_PARM_DESC(battery_health, |
| 455 | "battery health state <good|overheat|dead|overvoltage|failure>"); |
| 456 | |
| 457 | module_param(battery_capacity, battery_capacity, 0644); |
| 458 | MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)"); |
| 459 | |
| 460 | |
Anton Vorontsov | a1e50fd | 2010-05-17 23:46:45 +0400 | [diff] [blame] | 461 | MODULE_DESCRIPTION("Power supply driver for testing"); |
| 462 | MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>"); |
| 463 | MODULE_LICENSE("GPL"); |