Commit | Line | Data |
---|---|---|
a1e50fd4 AV |
1 | /* |
2 | * Power supply driver for testing. | |
3 | * | |
4 | * Copyright 2010 Anton Vorontsov <cbouatmailru@gmail.com> | |
5 | * | |
f17ef9b2 JS |
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 | * | |
a1e50fd4 AV |
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 | ||
a30067bb KK |
24 | enum test_power_id { |
25 | TEST_AC, | |
26 | TEST_BATTERY, | |
27 | TEST_USB, | |
28 | TEST_POWER_NUM, | |
29 | }; | |
30 | ||
f17ef9b2 | 31 | static int ac_online = 1; |
73847375 | 32 | static int usb_online = 1; |
f17ef9b2 JS |
33 | static int battery_status = POWER_SUPPLY_STATUS_DISCHARGING; |
34 | static int battery_health = POWER_SUPPLY_HEALTH_GOOD; | |
35 | static int battery_present = 1; /* true */ | |
36 | static int battery_technology = POWER_SUPPLY_TECHNOLOGY_LION; | |
37 | static int battery_capacity = 50; | |
85a392d4 | 38 | static int battery_voltage = 3300; |
a1e50fd4 | 39 | |
9239ebcf AG |
40 | static bool module_initialized; |
41 | ||
a1e50fd4 AV |
42 | static int test_power_get_ac_property(struct power_supply *psy, |
43 | enum power_supply_property psp, | |
44 | union power_supply_propval *val) | |
45 | { | |
46 | switch (psp) { | |
47 | case POWER_SUPPLY_PROP_ONLINE: | |
f17ef9b2 | 48 | val->intval = ac_online; |
a1e50fd4 AV |
49 | break; |
50 | default: | |
51 | return -EINVAL; | |
52 | } | |
53 | return 0; | |
54 | } | |
55 | ||
73847375 DES |
56 | static int test_power_get_usb_property(struct power_supply *psy, |
57 | enum power_supply_property psp, | |
58 | union power_supply_propval *val) | |
59 | { | |
60 | switch (psp) { | |
61 | case POWER_SUPPLY_PROP_ONLINE: | |
62 | val->intval = usb_online; | |
63 | break; | |
64 | default: | |
65 | return -EINVAL; | |
66 | } | |
67 | return 0; | |
68 | } | |
69 | ||
a1e50fd4 AV |
70 | static int test_power_get_battery_property(struct power_supply *psy, |
71 | enum power_supply_property psp, | |
72 | union power_supply_propval *val) | |
73 | { | |
74 | switch (psp) { | |
75 | case POWER_SUPPLY_PROP_MODEL_NAME: | |
76 | val->strval = "Test battery"; | |
77 | break; | |
78 | case POWER_SUPPLY_PROP_MANUFACTURER: | |
79 | val->strval = "Linux"; | |
80 | break; | |
81 | case POWER_SUPPLY_PROP_SERIAL_NUMBER: | |
82 | val->strval = UTS_RELEASE; | |
83 | break; | |
84 | case POWER_SUPPLY_PROP_STATUS: | |
f17ef9b2 | 85 | val->intval = battery_status; |
a1e50fd4 AV |
86 | break; |
87 | case POWER_SUPPLY_PROP_CHARGE_TYPE: | |
88 | val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; | |
89 | break; | |
90 | case POWER_SUPPLY_PROP_HEALTH: | |
f17ef9b2 JS |
91 | val->intval = battery_health; |
92 | break; | |
93 | case POWER_SUPPLY_PROP_PRESENT: | |
94 | val->intval = battery_present; | |
a1e50fd4 AV |
95 | break; |
96 | case POWER_SUPPLY_PROP_TECHNOLOGY: | |
f17ef9b2 | 97 | val->intval = battery_technology; |
a1e50fd4 AV |
98 | break; |
99 | case POWER_SUPPLY_PROP_CAPACITY_LEVEL: | |
100 | val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; | |
101 | break; | |
102 | case POWER_SUPPLY_PROP_CAPACITY: | |
f17ef9b2 JS |
103 | case POWER_SUPPLY_PROP_CHARGE_NOW: |
104 | val->intval = battery_capacity; | |
105 | break; | |
106 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: | |
107 | case POWER_SUPPLY_PROP_CHARGE_FULL: | |
108 | val->intval = 100; | |
a1e50fd4 AV |
109 | break; |
110 | case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: | |
111 | case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW: | |
112 | val->intval = 3600; | |
113 | break; | |
85a392d4 DES |
114 | case POWER_SUPPLY_PROP_TEMP: |
115 | val->intval = 26; | |
116 | break; | |
117 | case POWER_SUPPLY_PROP_VOLTAGE_NOW: | |
118 | val->intval = battery_voltage; | |
119 | break; | |
a1e50fd4 AV |
120 | default: |
121 | pr_info("%s: some properties deliberately report errors.\n", | |
122 | __func__); | |
123 | return -EINVAL; | |
124 | } | |
125 | return 0; | |
126 | } | |
127 | ||
128 | static enum power_supply_property test_power_ac_props[] = { | |
129 | POWER_SUPPLY_PROP_ONLINE, | |
130 | }; | |
131 | ||
132 | static enum power_supply_property test_power_battery_props[] = { | |
133 | POWER_SUPPLY_PROP_STATUS, | |
134 | POWER_SUPPLY_PROP_CHARGE_TYPE, | |
135 | POWER_SUPPLY_PROP_HEALTH, | |
f17ef9b2 | 136 | POWER_SUPPLY_PROP_PRESENT, |
a1e50fd4 | 137 | POWER_SUPPLY_PROP_TECHNOLOGY, |
f17ef9b2 | 138 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
a1e50fd4 | 139 | POWER_SUPPLY_PROP_CHARGE_FULL, |
f17ef9b2 | 140 | POWER_SUPPLY_PROP_CHARGE_NOW, |
a1e50fd4 AV |
141 | POWER_SUPPLY_PROP_CAPACITY, |
142 | POWER_SUPPLY_PROP_CAPACITY_LEVEL, | |
143 | POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, | |
144 | POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, | |
145 | POWER_SUPPLY_PROP_MODEL_NAME, | |
146 | POWER_SUPPLY_PROP_MANUFACTURER, | |
147 | POWER_SUPPLY_PROP_SERIAL_NUMBER, | |
85a392d4 DES |
148 | POWER_SUPPLY_PROP_TEMP, |
149 | POWER_SUPPLY_PROP_VOLTAGE_NOW, | |
a1e50fd4 AV |
150 | }; |
151 | ||
152 | static char *test_power_ac_supplied_to[] = { | |
153 | "test_battery", | |
154 | }; | |
155 | ||
297d716f KK |
156 | static struct power_supply *test_power_supplies[TEST_POWER_NUM]; |
157 | ||
158 | static const struct power_supply_desc test_power_desc[] = { | |
a30067bb | 159 | [TEST_AC] = { |
a1e50fd4 AV |
160 | .name = "test_ac", |
161 | .type = POWER_SUPPLY_TYPE_MAINS, | |
a1e50fd4 AV |
162 | .properties = test_power_ac_props, |
163 | .num_properties = ARRAY_SIZE(test_power_ac_props), | |
164 | .get_property = test_power_get_ac_property, | |
a30067bb KK |
165 | }, |
166 | [TEST_BATTERY] = { | |
a1e50fd4 AV |
167 | .name = "test_battery", |
168 | .type = POWER_SUPPLY_TYPE_BATTERY, | |
169 | .properties = test_power_battery_props, | |
170 | .num_properties = ARRAY_SIZE(test_power_battery_props), | |
171 | .get_property = test_power_get_battery_property, | |
a30067bb KK |
172 | }, |
173 | [TEST_USB] = { | |
73847375 DES |
174 | .name = "test_usb", |
175 | .type = POWER_SUPPLY_TYPE_USB, | |
73847375 DES |
176 | .properties = test_power_ac_props, |
177 | .num_properties = ARRAY_SIZE(test_power_ac_props), | |
178 | .get_property = test_power_get_usb_property, | |
a1e50fd4 AV |
179 | }, |
180 | }; | |
181 | ||
2dc9215d KK |
182 | static const struct power_supply_config test_power_configs[] = { |
183 | { | |
184 | /* test_ac */ | |
185 | .supplied_to = test_power_ac_supplied_to, | |
186 | .num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to), | |
187 | }, { | |
188 | /* test_battery */ | |
189 | }, { | |
190 | /* test_usb */ | |
191 | .supplied_to = test_power_ac_supplied_to, | |
192 | .num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to), | |
193 | }, | |
194 | }; | |
f17ef9b2 | 195 | |
a1e50fd4 AV |
196 | static int __init test_power_init(void) |
197 | { | |
198 | int i; | |
199 | int ret; | |
200 | ||
a30067bb | 201 | BUILD_BUG_ON(TEST_POWER_NUM != ARRAY_SIZE(test_power_supplies)); |
2dc9215d | 202 | BUILD_BUG_ON(TEST_POWER_NUM != ARRAY_SIZE(test_power_configs)); |
a30067bb | 203 | |
a1e50fd4 | 204 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) { |
297d716f KK |
205 | test_power_supplies[i] = power_supply_register(NULL, |
206 | &test_power_desc[i], | |
2dc9215d | 207 | &test_power_configs[i]); |
297d716f | 208 | if (IS_ERR(test_power_supplies[i])) { |
a1e50fd4 | 209 | pr_err("%s: failed to register %s\n", __func__, |
297d716f KK |
210 | test_power_desc[i].name); |
211 | ret = PTR_ERR(test_power_supplies[i]); | |
a1e50fd4 AV |
212 | goto failed; |
213 | } | |
214 | } | |
215 | ||
9239ebcf | 216 | module_initialized = true; |
a1e50fd4 AV |
217 | return 0; |
218 | failed: | |
219 | while (--i >= 0) | |
297d716f | 220 | power_supply_unregister(test_power_supplies[i]); |
a1e50fd4 AV |
221 | return ret; |
222 | } | |
223 | module_init(test_power_init); | |
224 | ||
225 | static void __exit test_power_exit(void) | |
226 | { | |
227 | int i; | |
228 | ||
229 | /* Let's see how we handle changes... */ | |
f17ef9b2 | 230 | ac_online = 0; |
73847375 | 231 | usb_online = 0; |
f17ef9b2 | 232 | battery_status = POWER_SUPPLY_STATUS_DISCHARGING; |
a1e50fd4 | 233 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) |
297d716f | 234 | power_supply_changed(test_power_supplies[i]); |
a1e50fd4 AV |
235 | pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n", |
236 | __func__); | |
237 | ssleep(10); | |
238 | ||
239 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) | |
297d716f | 240 | power_supply_unregister(test_power_supplies[i]); |
9239ebcf AG |
241 | |
242 | module_initialized = false; | |
a1e50fd4 AV |
243 | } |
244 | module_exit(test_power_exit); | |
245 | ||
f17ef9b2 JS |
246 | |
247 | ||
248 | #define MAX_KEYLENGTH 256 | |
249 | struct battery_property_map { | |
250 | int value; | |
251 | char const *key; | |
252 | }; | |
253 | ||
254 | static struct battery_property_map map_ac_online[] = { | |
9239ebcf AG |
255 | { 0, "off" }, |
256 | { 1, "on" }, | |
f17ef9b2 JS |
257 | { -1, NULL }, |
258 | }; | |
259 | ||
260 | static struct battery_property_map map_status[] = { | |
261 | { POWER_SUPPLY_STATUS_CHARGING, "charging" }, | |
262 | { POWER_SUPPLY_STATUS_DISCHARGING, "discharging" }, | |
263 | { POWER_SUPPLY_STATUS_NOT_CHARGING, "not-charging" }, | |
264 | { POWER_SUPPLY_STATUS_FULL, "full" }, | |
265 | { -1, NULL }, | |
266 | }; | |
267 | ||
268 | static struct battery_property_map map_health[] = { | |
269 | { POWER_SUPPLY_HEALTH_GOOD, "good" }, | |
270 | { POWER_SUPPLY_HEALTH_OVERHEAT, "overheat" }, | |
271 | { POWER_SUPPLY_HEALTH_DEAD, "dead" }, | |
272 | { POWER_SUPPLY_HEALTH_OVERVOLTAGE, "overvoltage" }, | |
273 | { POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, "failure" }, | |
274 | { -1, NULL }, | |
275 | }; | |
276 | ||
277 | static struct battery_property_map map_present[] = { | |
278 | { 0, "false" }, | |
279 | { 1, "true" }, | |
280 | { -1, NULL }, | |
281 | }; | |
282 | ||
283 | static struct battery_property_map map_technology[] = { | |
284 | { POWER_SUPPLY_TECHNOLOGY_NiMH, "NiMH" }, | |
285 | { POWER_SUPPLY_TECHNOLOGY_LION, "LION" }, | |
286 | { POWER_SUPPLY_TECHNOLOGY_LIPO, "LIPO" }, | |
287 | { POWER_SUPPLY_TECHNOLOGY_LiFe, "LiFe" }, | |
288 | { POWER_SUPPLY_TECHNOLOGY_NiCd, "NiCd" }, | |
289 | { POWER_SUPPLY_TECHNOLOGY_LiMn, "LiMn" }, | |
290 | { -1, NULL }, | |
291 | }; | |
292 | ||
293 | ||
294 | static int map_get_value(struct battery_property_map *map, const char *key, | |
295 | int def_val) | |
296 | { | |
297 | char buf[MAX_KEYLENGTH]; | |
298 | int cr; | |
299 | ||
300 | strncpy(buf, key, MAX_KEYLENGTH); | |
301 | buf[MAX_KEYLENGTH-1] = '\0'; | |
302 | ||
303 | cr = strnlen(buf, MAX_KEYLENGTH) - 1; | |
304 | if (buf[cr] == '\n') | |
305 | buf[cr] = '\0'; | |
306 | ||
307 | while (map->key) { | |
308 | if (strncasecmp(map->key, buf, MAX_KEYLENGTH) == 0) | |
309 | return map->value; | |
310 | map++; | |
311 | } | |
312 | ||
313 | return def_val; | |
314 | } | |
315 | ||
316 | ||
317 | static const char *map_get_key(struct battery_property_map *map, int value, | |
318 | const char *def_key) | |
319 | { | |
320 | while (map->key) { | |
321 | if (map->value == value) | |
322 | return map->key; | |
323 | map++; | |
324 | } | |
325 | ||
326 | return def_key; | |
327 | } | |
328 | ||
9239ebcf AG |
329 | static inline void signal_power_supply_changed(struct power_supply *psy) |
330 | { | |
331 | if (module_initialized) | |
332 | power_supply_changed(psy); | |
333 | } | |
334 | ||
f17ef9b2 JS |
335 | static int param_set_ac_online(const char *key, const struct kernel_param *kp) |
336 | { | |
337 | ac_online = map_get_value(map_ac_online, key, ac_online); | |
297d716f | 338 | signal_power_supply_changed(test_power_supplies[TEST_AC]); |
f17ef9b2 JS |
339 | return 0; |
340 | } | |
341 | ||
342 | static int param_get_ac_online(char *buffer, const struct kernel_param *kp) | |
343 | { | |
344 | strcpy(buffer, map_get_key(map_ac_online, ac_online, "unknown")); | |
345 | return strlen(buffer); | |
346 | } | |
347 | ||
73847375 DES |
348 | static int param_set_usb_online(const char *key, const struct kernel_param *kp) |
349 | { | |
350 | usb_online = map_get_value(map_ac_online, key, usb_online); | |
297d716f | 351 | signal_power_supply_changed(test_power_supplies[TEST_USB]); |
73847375 DES |
352 | return 0; |
353 | } | |
354 | ||
355 | static int param_get_usb_online(char *buffer, const struct kernel_param *kp) | |
356 | { | |
357 | strcpy(buffer, map_get_key(map_ac_online, usb_online, "unknown")); | |
358 | return strlen(buffer); | |
359 | } | |
360 | ||
f17ef9b2 JS |
361 | static int param_set_battery_status(const char *key, |
362 | const struct kernel_param *kp) | |
363 | { | |
364 | battery_status = map_get_value(map_status, key, battery_status); | |
297d716f | 365 | signal_power_supply_changed(test_power_supplies[TEST_BATTERY]); |
f17ef9b2 JS |
366 | return 0; |
367 | } | |
368 | ||
369 | static int param_get_battery_status(char *buffer, const struct kernel_param *kp) | |
370 | { | |
371 | strcpy(buffer, map_get_key(map_status, battery_status, "unknown")); | |
372 | return strlen(buffer); | |
373 | } | |
374 | ||
375 | static int param_set_battery_health(const char *key, | |
376 | const struct kernel_param *kp) | |
377 | { | |
378 | battery_health = map_get_value(map_health, key, battery_health); | |
297d716f | 379 | signal_power_supply_changed(test_power_supplies[TEST_BATTERY]); |
f17ef9b2 JS |
380 | return 0; |
381 | } | |
382 | ||
383 | static int param_get_battery_health(char *buffer, const struct kernel_param *kp) | |
384 | { | |
385 | strcpy(buffer, map_get_key(map_health, battery_health, "unknown")); | |
386 | return strlen(buffer); | |
387 | } | |
388 | ||
389 | static int param_set_battery_present(const char *key, | |
390 | const struct kernel_param *kp) | |
391 | { | |
392 | battery_present = map_get_value(map_present, key, battery_present); | |
297d716f | 393 | signal_power_supply_changed(test_power_supplies[TEST_AC]); |
f17ef9b2 JS |
394 | return 0; |
395 | } | |
396 | ||
397 | static int param_get_battery_present(char *buffer, | |
398 | const struct kernel_param *kp) | |
399 | { | |
400 | strcpy(buffer, map_get_key(map_present, battery_present, "unknown")); | |
401 | return strlen(buffer); | |
402 | } | |
403 | ||
404 | static int param_set_battery_technology(const char *key, | |
405 | const struct kernel_param *kp) | |
406 | { | |
407 | battery_technology = map_get_value(map_technology, key, | |
408 | battery_technology); | |
297d716f | 409 | signal_power_supply_changed(test_power_supplies[TEST_BATTERY]); |
f17ef9b2 JS |
410 | return 0; |
411 | } | |
412 | ||
413 | static int param_get_battery_technology(char *buffer, | |
414 | const struct kernel_param *kp) | |
415 | { | |
416 | strcpy(buffer, | |
417 | map_get_key(map_technology, battery_technology, "unknown")); | |
418 | return strlen(buffer); | |
419 | } | |
420 | ||
421 | static int param_set_battery_capacity(const char *key, | |
422 | const struct kernel_param *kp) | |
423 | { | |
424 | int tmp; | |
425 | ||
426 | if (1 != sscanf(key, "%d", &tmp)) | |
427 | return -EINVAL; | |
428 | ||
429 | battery_capacity = tmp; | |
297d716f | 430 | signal_power_supply_changed(test_power_supplies[TEST_BATTERY]); |
f17ef9b2 JS |
431 | return 0; |
432 | } | |
433 | ||
434 | #define param_get_battery_capacity param_get_int | |
435 | ||
85a392d4 DES |
436 | static int param_set_battery_voltage(const char *key, |
437 | const struct kernel_param *kp) | |
438 | { | |
439 | int tmp; | |
440 | ||
441 | if (1 != sscanf(key, "%d", &tmp)) | |
442 | return -EINVAL; | |
443 | ||
444 | battery_voltage = tmp; | |
297d716f | 445 | signal_power_supply_changed(test_power_supplies[TEST_BATTERY]); |
85a392d4 DES |
446 | return 0; |
447 | } | |
448 | ||
449 | #define param_get_battery_voltage param_get_int | |
450 | ||
9c27847d | 451 | static const struct kernel_param_ops param_ops_ac_online = { |
f17ef9b2 JS |
452 | .set = param_set_ac_online, |
453 | .get = param_get_ac_online, | |
454 | }; | |
455 | ||
9c27847d | 456 | static const struct kernel_param_ops param_ops_usb_online = { |
73847375 DES |
457 | .set = param_set_usb_online, |
458 | .get = param_get_usb_online, | |
459 | }; | |
460 | ||
9c27847d | 461 | static const struct kernel_param_ops param_ops_battery_status = { |
f17ef9b2 JS |
462 | .set = param_set_battery_status, |
463 | .get = param_get_battery_status, | |
464 | }; | |
465 | ||
9c27847d | 466 | static const struct kernel_param_ops param_ops_battery_present = { |
f17ef9b2 JS |
467 | .set = param_set_battery_present, |
468 | .get = param_get_battery_present, | |
469 | }; | |
470 | ||
9c27847d | 471 | static const struct kernel_param_ops param_ops_battery_technology = { |
f17ef9b2 JS |
472 | .set = param_set_battery_technology, |
473 | .get = param_get_battery_technology, | |
474 | }; | |
475 | ||
9c27847d | 476 | static const struct kernel_param_ops param_ops_battery_health = { |
f17ef9b2 JS |
477 | .set = param_set_battery_health, |
478 | .get = param_get_battery_health, | |
479 | }; | |
480 | ||
9c27847d | 481 | static const struct kernel_param_ops param_ops_battery_capacity = { |
f17ef9b2 JS |
482 | .set = param_set_battery_capacity, |
483 | .get = param_get_battery_capacity, | |
484 | }; | |
485 | ||
9c27847d | 486 | static const struct kernel_param_ops param_ops_battery_voltage = { |
85a392d4 DES |
487 | .set = param_set_battery_voltage, |
488 | .get = param_get_battery_voltage, | |
489 | }; | |
f17ef9b2 JS |
490 | |
491 | #define param_check_ac_online(name, p) __param_check(name, p, void); | |
73847375 | 492 | #define param_check_usb_online(name, p) __param_check(name, p, void); |
f17ef9b2 JS |
493 | #define param_check_battery_status(name, p) __param_check(name, p, void); |
494 | #define param_check_battery_present(name, p) __param_check(name, p, void); | |
495 | #define param_check_battery_technology(name, p) __param_check(name, p, void); | |
496 | #define param_check_battery_health(name, p) __param_check(name, p, void); | |
497 | #define param_check_battery_capacity(name, p) __param_check(name, p, void); | |
85a392d4 | 498 | #define param_check_battery_voltage(name, p) __param_check(name, p, void); |
f17ef9b2 JS |
499 | |
500 | ||
501 | module_param(ac_online, ac_online, 0644); | |
502 | MODULE_PARM_DESC(ac_online, "AC charging state <on|off>"); | |
503 | ||
73847375 DES |
504 | module_param(usb_online, usb_online, 0644); |
505 | MODULE_PARM_DESC(usb_online, "USB charging state <on|off>"); | |
506 | ||
f17ef9b2 JS |
507 | module_param(battery_status, battery_status, 0644); |
508 | MODULE_PARM_DESC(battery_status, | |
509 | "battery status <charging|discharging|not-charging|full>"); | |
510 | ||
511 | module_param(battery_present, battery_present, 0644); | |
512 | MODULE_PARM_DESC(battery_present, | |
513 | "battery presence state <good|overheat|dead|overvoltage|failure>"); | |
514 | ||
515 | module_param(battery_technology, battery_technology, 0644); | |
516 | MODULE_PARM_DESC(battery_technology, | |
517 | "battery technology <NiMH|LION|LIPO|LiFe|NiCd|LiMn>"); | |
518 | ||
519 | module_param(battery_health, battery_health, 0644); | |
520 | MODULE_PARM_DESC(battery_health, | |
521 | "battery health state <good|overheat|dead|overvoltage|failure>"); | |
522 | ||
523 | module_param(battery_capacity, battery_capacity, 0644); | |
524 | MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)"); | |
525 | ||
85a392d4 DES |
526 | module_param(battery_voltage, battery_voltage, 0644); |
527 | MODULE_PARM_DESC(battery_voltage, "battery voltage (millivolts)"); | |
f17ef9b2 | 528 | |
a1e50fd4 AV |
529 | MODULE_DESCRIPTION("Power supply driver for testing"); |
530 | MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>"); | |
531 | MODULE_LICENSE("GPL"); |