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cfce41a6 EP |
1 | /* |
2 | * hp_accel.c - Interface between LIS3LV02DL driver and HP ACPI BIOS | |
3 | * | |
4 | * Copyright (C) 2007-2008 Yan Burman | |
5 | * Copyright (C) 2008 Eric Piel | |
9e1c9d86 | 6 | * Copyright (C) 2008-2009 Pavel Machek |
cfce41a6 EP |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
53ab0e68 JP |
23 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
24 | ||
cfce41a6 EP |
25 | #include <linux/kernel.h> |
26 | #include <linux/init.h> | |
27 | #include <linux/dmi.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/types.h> | |
30 | #include <linux/platform_device.h> | |
31 | #include <linux/interrupt.h> | |
cfce41a6 EP |
32 | #include <linux/delay.h> |
33 | #include <linux/wait.h> | |
34 | #include <linux/poll.h> | |
35 | #include <linux/freezer.h> | |
cfce41a6 | 36 | #include <linux/uaccess.h> |
9e0c7978 | 37 | #include <linux/leds.h> |
efcfed9b | 38 | #include <linux/atomic.h> |
8b48463f | 39 | #include <linux/acpi.h> |
a4c724d0 GS |
40 | #include <linux/i8042.h> |
41 | #include <linux/serio.h> | |
ff606677 | 42 | #include "../../misc/lis3lv02d/lis3lv02d.h" |
cfce41a6 | 43 | |
96b4b9bf | 44 | #define DRIVER_NAME "hp_accel" |
cfce41a6 EP |
45 | #define ACPI_MDPS_CLASS "accelerometer" |
46 | ||
9e1c9d86 PM |
47 | /* Delayed LEDs infrastructure ------------------------------------ */ |
48 | ||
49 | /* Special LED class that can defer work */ | |
50 | struct delayed_led_classdev { | |
51 | struct led_classdev led_classdev; | |
52 | struct work_struct work; | |
53 | enum led_brightness new_brightness; | |
54 | ||
55 | unsigned int led; /* For driver */ | |
56 | void (*set_brightness)(struct delayed_led_classdev *data, enum led_brightness value); | |
57 | }; | |
58 | ||
59 | static inline void delayed_set_status_worker(struct work_struct *work) | |
60 | { | |
61 | struct delayed_led_classdev *data = | |
62 | container_of(work, struct delayed_led_classdev, work); | |
63 | ||
64 | data->set_brightness(data, data->new_brightness); | |
65 | } | |
66 | ||
67 | static inline void delayed_sysfs_set(struct led_classdev *led_cdev, | |
68 | enum led_brightness brightness) | |
69 | { | |
70 | struct delayed_led_classdev *data = container_of(led_cdev, | |
71 | struct delayed_led_classdev, led_classdev); | |
72 | data->new_brightness = brightness; | |
73 | schedule_work(&data->work); | |
74 | } | |
75 | ||
76 | /* HP-specific accelerometer driver ------------------------------------ */ | |
cfce41a6 | 77 | |
a4c724d0 GS |
78 | /* e0 25, e0 26, e0 27, e0 28 are scan codes that the accelerometer with acpi id |
79 | * HPQ6000 sends through the keyboard bus */ | |
80 | #define ACCEL_1 0x25 | |
81 | #define ACCEL_2 0x26 | |
82 | #define ACCEL_3 0x27 | |
83 | #define ACCEL_4 0x28 | |
84 | ||
cfce41a6 | 85 | /* For automatic insertion of the module */ |
8a1a970a | 86 | static const struct acpi_device_id lis3lv02d_device_ids[] = { |
cfce41a6 | 87 | {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ |
24570d22 | 88 | {"HPQ6000", 0}, /* HP Mobile Data Protection System PNP */ |
b0ad4ff3 | 89 | {"HPQ6007", 0}, /* HP Mobile Data Protection System PNP */ |
cfce41a6 EP |
90 | {"", 0}, |
91 | }; | |
92 | MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); | |
93 | ||
94 | ||
95 | /** | |
96 | * lis3lv02d_acpi_init - ACPI _INI method: initialize the device. | |
a38da2ed | 97 | * @lis3: pointer to the device struct |
cfce41a6 | 98 | * |
a38da2ed | 99 | * Returns 0 on success. |
cfce41a6 | 100 | */ |
04b73387 | 101 | static int lis3lv02d_acpi_init(struct lis3lv02d *lis3) |
cfce41a6 | 102 | { |
a38da2ed DM |
103 | struct acpi_device *dev = lis3->bus_priv; |
104 | if (acpi_evaluate_object(dev->handle, METHOD_NAME__INI, | |
105 | NULL, NULL) != AE_OK) | |
106 | return -EINVAL; | |
107 | ||
108 | return 0; | |
cfce41a6 EP |
109 | } |
110 | ||
111 | /** | |
112 | * lis3lv02d_acpi_read - ACPI ALRD method: read a register | |
a38da2ed | 113 | * @lis3: pointer to the device struct |
cfce41a6 EP |
114 | * @reg: the register to read |
115 | * @ret: result of the operation | |
116 | * | |
a38da2ed | 117 | * Returns 0 on success. |
cfce41a6 | 118 | */ |
04b73387 | 119 | static int lis3lv02d_acpi_read(struct lis3lv02d *lis3, int reg, u8 *ret) |
cfce41a6 | 120 | { |
a38da2ed | 121 | struct acpi_device *dev = lis3->bus_priv; |
cfce41a6 EP |
122 | union acpi_object arg0 = { ACPI_TYPE_INTEGER }; |
123 | struct acpi_object_list args = { 1, &arg0 }; | |
124 | unsigned long long lret; | |
125 | acpi_status status; | |
126 | ||
127 | arg0.integer.value = reg; | |
128 | ||
a38da2ed | 129 | status = acpi_evaluate_integer(dev->handle, "ALRD", &args, &lret); |
ff22b480 DC |
130 | if (ACPI_FAILURE(status)) |
131 | return -EINVAL; | |
cfce41a6 | 132 | *ret = lret; |
ff22b480 | 133 | return 0; |
cfce41a6 EP |
134 | } |
135 | ||
136 | /** | |
137 | * lis3lv02d_acpi_write - ACPI ALWR method: write to a register | |
a38da2ed | 138 | * @lis3: pointer to the device struct |
cfce41a6 EP |
139 | * @reg: the register to write to |
140 | * @val: the value to write | |
141 | * | |
a38da2ed | 142 | * Returns 0 on success. |
cfce41a6 | 143 | */ |
04b73387 | 144 | static int lis3lv02d_acpi_write(struct lis3lv02d *lis3, int reg, u8 val) |
cfce41a6 | 145 | { |
a38da2ed | 146 | struct acpi_device *dev = lis3->bus_priv; |
cfce41a6 EP |
147 | unsigned long long ret; /* Not used when writting */ |
148 | union acpi_object in_obj[2]; | |
149 | struct acpi_object_list args = { 2, in_obj }; | |
150 | ||
151 | in_obj[0].type = ACPI_TYPE_INTEGER; | |
152 | in_obj[0].integer.value = reg; | |
153 | in_obj[1].type = ACPI_TYPE_INTEGER; | |
154 | in_obj[1].integer.value = val; | |
155 | ||
a38da2ed DM |
156 | if (acpi_evaluate_integer(dev->handle, "ALWR", &args, &ret) != AE_OK) |
157 | return -EINVAL; | |
158 | ||
159 | return 0; | |
cfce41a6 EP |
160 | } |
161 | ||
162 | static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi) | |
163 | { | |
2ee32144 | 164 | lis3_dev.ac = *((union axis_conversion *)dmi->driver_data); |
53ab0e68 | 165 | pr_info("hardware type %s found\n", dmi->ident); |
cfce41a6 EP |
166 | |
167 | return 1; | |
168 | } | |
169 | ||
170 | /* Represents, for each axis seen by userspace, the corresponding hw axis (+1). | |
171 | * If the value is negative, the opposite of the hw value is used. */ | |
2ee32144 TI |
172 | #define DEFINE_CONV(name, x, y, z) \ |
173 | static union axis_conversion lis3lv02d_axis_##name = \ | |
174 | { .as_array = { x, y, z } } | |
175 | DEFINE_CONV(normal, 1, 2, 3); | |
176 | DEFINE_CONV(y_inverted, 1, -2, 3); | |
177 | DEFINE_CONV(x_inverted, -1, 2, 3); | |
330a1065 | 178 | DEFINE_CONV(x_inverted_usd, -1, 2, -3); |
2ee32144 TI |
179 | DEFINE_CONV(z_inverted, 1, 2, -3); |
180 | DEFINE_CONV(xy_swap, 2, 1, 3); | |
181 | DEFINE_CONV(xy_rotated_left, -2, 1, 3); | |
182 | DEFINE_CONV(xy_rotated_left_usd, -2, 1, -3); | |
183 | DEFINE_CONV(xy_swap_inverted, -2, -1, 3); | |
184 | DEFINE_CONV(xy_rotated_right, 2, -1, 3); | |
185 | DEFINE_CONV(xy_swap_yz_inverted, 2, -1, -3); | |
cfce41a6 EP |
186 | |
187 | #define AXIS_DMI_MATCH(_ident, _name, _axis) { \ | |
188 | .ident = _ident, \ | |
189 | .callback = lis3lv02d_dmi_matched, \ | |
190 | .matches = { \ | |
191 | DMI_MATCH(DMI_PRODUCT_NAME, _name) \ | |
192 | }, \ | |
193 | .driver_data = &lis3lv02d_axis_##_axis \ | |
194 | } | |
9ccf3b5e GB |
195 | |
196 | #define AXIS_DMI_MATCH2(_ident, _class1, _name1, \ | |
197 | _class2, _name2, \ | |
198 | _axis) { \ | |
199 | .ident = _ident, \ | |
200 | .callback = lis3lv02d_dmi_matched, \ | |
201 | .matches = { \ | |
202 | DMI_MATCH(DMI_##_class1, _name1), \ | |
203 | DMI_MATCH(DMI_##_class2, _name2), \ | |
204 | }, \ | |
205 | .driver_data = &lis3lv02d_axis_##_axis \ | |
206 | } | |
8a1a970a | 207 | static const struct dmi_system_id lis3lv02d_dmi_ids[] = { |
cfce41a6 EP |
208 | /* product names are truncated to match all kinds of a same model */ |
209 | AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted), | |
210 | AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted), | |
211 | AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted), | |
212 | AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted), | |
213 | AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), | |
0093716e | 214 | AXIS_DMI_MATCH("NC2710", "HP Compaq 2710", xy_swap), |
cfce41a6 EP |
215 | AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), |
216 | AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), | |
9d7639d3 | 217 | AXIS_DMI_MATCH("HP2140", "HP 2140", xy_swap_inverted), |
80eda5fb | 218 | AXIS_DMI_MATCH("NC653x", "HP Compaq 653", xy_rotated_left_usd), |
a03018ff PH |
219 | AXIS_DMI_MATCH("NC6730b", "HP Compaq 6730b", xy_rotated_left_usd), |
220 | AXIS_DMI_MATCH("NC6730s", "HP Compaq 6730s", xy_swap), | |
6bfef2b3 | 221 | AXIS_DMI_MATCH("NC651xx", "HP Compaq 651", xy_rotated_right), |
0093716e EP |
222 | AXIS_DMI_MATCH("NC6710x", "HP Compaq 6710", xy_swap_yz_inverted), |
223 | AXIS_DMI_MATCH("NC6715x", "HP Compaq 6715", y_inverted), | |
224 | AXIS_DMI_MATCH("NC693xx", "HP EliteBook 693", xy_rotated_right), | |
af19611c | 225 | AXIS_DMI_MATCH("NC693xx", "HP EliteBook 853", xy_swap), |
cdeaf622 | 226 | AXIS_DMI_MATCH("NC854xx", "HP EliteBook 854", y_inverted), |
a17b81be | 227 | AXIS_DMI_MATCH("NC273xx", "HP EliteBook 273", y_inverted), |
9ccf3b5e GB |
228 | /* Intel-based HP Pavilion dv5 */ |
229 | AXIS_DMI_MATCH2("HPDV5_I", | |
230 | PRODUCT_NAME, "HP Pavilion dv5", | |
231 | BOARD_NAME, "3603", | |
232 | x_inverted), | |
233 | /* AMD-based HP Pavilion dv5 */ | |
234 | AXIS_DMI_MATCH2("HPDV5_A", | |
235 | PRODUCT_NAME, "HP Pavilion dv5", | |
236 | BOARD_NAME, "3600", | |
237 | y_inverted), | |
9d7639d3 | 238 | AXIS_DMI_MATCH("DV7", "HP Pavilion dv7", x_inverted), |
12a324b6 | 239 | AXIS_DMI_MATCH("HP8710", "HP Compaq 8710", y_inverted), |
2545f038 | 240 | AXIS_DMI_MATCH("HDX18", "HP HDX 18", x_inverted), |
9bd14a83 | 241 | AXIS_DMI_MATCH("HPB432x", "HP ProBook 432", xy_rotated_left), |
330a1065 | 242 | AXIS_DMI_MATCH("HPB440G3", "HP ProBook 440 G3", x_inverted_usd), |
9bd14a83 TI |
243 | AXIS_DMI_MATCH("HPB442x", "HP ProBook 442", xy_rotated_left), |
244 | AXIS_DMI_MATCH("HPB452x", "HP ProBook 452", y_inverted), | |
245 | AXIS_DMI_MATCH("HPB522x", "HP ProBook 522", xy_swap), | |
4e70598c | 246 | AXIS_DMI_MATCH("HPB532x", "HP ProBook 532", y_inverted), |
d0b6a971 | 247 | AXIS_DMI_MATCH("HPB655x", "HP ProBook 655", xy_swap_inverted), |
37394050 | 248 | AXIS_DMI_MATCH("Mini510x", "HP Mini 510", xy_rotated_left_usd), |
85003c38 TI |
249 | AXIS_DMI_MATCH("HPB63xx", "HP ProBook 63", xy_swap), |
250 | AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap), | |
251 | AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap), | |
252 | AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted), | |
6583659e | 253 | AXIS_DMI_MATCH("HPZBook15", "HP ZBook 15", x_inverted), |
3e491607 | 254 | AXIS_DMI_MATCH("HPZBook17", "HP ZBook 17", xy_swap_yz_inverted), |
cfce41a6 EP |
255 | { NULL, } |
256 | /* Laptop models without axis info (yet): | |
cfce41a6 | 257 | * "NC6910" "HP Compaq 6910" |
cfce41a6 EP |
258 | * "NC2400" "HP Compaq nc2400" |
259 | * "NX74x0" "HP Compaq nx74" | |
260 | * "NX6325" "HP Compaq nx6325" | |
261 | * "NC4400" "HP Compaq nc4400" | |
262 | */ | |
263 | }; | |
264 | ||
9e1c9d86 | 265 | static void hpled_set(struct delayed_led_classdev *led_cdev, enum led_brightness value) |
9e0c7978 | 266 | { |
a38da2ed | 267 | struct acpi_device *dev = lis3_dev.bus_priv; |
9e0c7978 EP |
268 | unsigned long long ret; /* Not used when writing */ |
269 | union acpi_object in_obj[1]; | |
270 | struct acpi_object_list args = { 1, in_obj }; | |
271 | ||
272 | in_obj[0].type = ACPI_TYPE_INTEGER; | |
9e1c9d86 | 273 | in_obj[0].integer.value = !!value; |
9e0c7978 | 274 | |
a38da2ed | 275 | acpi_evaluate_integer(dev->handle, "ALED", &args, &ret); |
9e0c7978 EP |
276 | } |
277 | ||
9e1c9d86 PM |
278 | static struct delayed_led_classdev hpled_led = { |
279 | .led_classdev = { | |
280 | .name = "hp::hddprotect", | |
281 | .default_trigger = "none", | |
282 | .brightness_set = delayed_sysfs_set, | |
283 | .flags = LED_CORE_SUSPENDRESUME, | |
284 | }, | |
285 | .set_brightness = hpled_set, | |
9e0c7978 | 286 | }; |
cfce41a6 | 287 | |
ef2cfc79 PM |
288 | static acpi_status |
289 | lis3lv02d_get_resource(struct acpi_resource *resource, void *context) | |
290 | { | |
291 | if (resource->type == ACPI_RESOURCE_TYPE_EXTENDED_IRQ) { | |
292 | struct acpi_resource_extended_irq *irq; | |
293 | u32 *device_irq = context; | |
294 | ||
295 | irq = &resource->data.extended_irq; | |
296 | *device_irq = irq->interrupts[0]; | |
297 | } | |
298 | ||
299 | return AE_OK; | |
300 | } | |
301 | ||
302 | static void lis3lv02d_enum_resources(struct acpi_device *device) | |
303 | { | |
304 | acpi_status status; | |
305 | ||
306 | status = acpi_walk_resources(device->handle, METHOD_NAME__CRS, | |
be84cfc5 | 307 | lis3lv02d_get_resource, &lis3_dev.irq); |
ef2cfc79 PM |
308 | if (ACPI_FAILURE(status)) |
309 | printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n"); | |
310 | } | |
311 | ||
a4c724d0 GS |
312 | static bool hp_accel_i8042_filter(unsigned char data, unsigned char str, |
313 | struct serio *port) | |
314 | { | |
315 | static bool extended; | |
316 | ||
317 | if (str & I8042_STR_AUXDATA) | |
318 | return false; | |
319 | ||
320 | if (data == 0xe0) { | |
321 | extended = true; | |
322 | return true; | |
323 | } else if (unlikely(extended)) { | |
324 | extended = false; | |
325 | ||
326 | switch (data) { | |
327 | case ACCEL_1: | |
328 | case ACCEL_2: | |
329 | case ACCEL_3: | |
330 | case ACCEL_4: | |
331 | return true; | |
332 | default: | |
333 | serio_interrupt(port, 0xe0, 0); | |
334 | return false; | |
335 | } | |
336 | } | |
337 | ||
338 | return false; | |
339 | } | |
340 | ||
cfce41a6 EP |
341 | static int lis3lv02d_add(struct acpi_device *device) |
342 | { | |
9e0c7978 | 343 | int ret; |
cfce41a6 EP |
344 | |
345 | if (!device) | |
346 | return -EINVAL; | |
347 | ||
a38da2ed | 348 | lis3_dev.bus_priv = device; |
be84cfc5 PM |
349 | lis3_dev.init = lis3lv02d_acpi_init; |
350 | lis3_dev.read = lis3lv02d_acpi_read; | |
351 | lis3_dev.write = lis3lv02d_acpi_write; | |
cfce41a6 EP |
352 | strcpy(acpi_device_name(device), DRIVER_NAME); |
353 | strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); | |
be84cfc5 | 354 | device->driver_data = &lis3_dev; |
cfce41a6 | 355 | |
a38da2ed DM |
356 | /* obtain IRQ number of our device from ACPI */ |
357 | lis3lv02d_enum_resources(device); | |
cfce41a6 EP |
358 | |
359 | /* If possible use a "standard" axes order */ | |
2ee32144 | 360 | if (lis3_dev.ac.x && lis3_dev.ac.y && lis3_dev.ac.z) { |
53ab0e68 JP |
361 | pr_info("Using custom axes %d,%d,%d\n", |
362 | lis3_dev.ac.x, lis3_dev.ac.y, lis3_dev.ac.z); | |
2ee32144 | 363 | } else if (dmi_check_system(lis3lv02d_dmi_ids) == 0) { |
53ab0e68 | 364 | pr_info("laptop model unknown, using default axes configuration\n"); |
be84cfc5 | 365 | lis3_dev.ac = lis3lv02d_axis_normal; |
cfce41a6 EP |
366 | } |
367 | ||
a38da2ed DM |
368 | /* call the core layer do its init */ |
369 | ret = lis3lv02d_init_device(&lis3_dev); | |
9e0c7978 EP |
370 | if (ret) |
371 | return ret; | |
372 | ||
a4c724d0 GS |
373 | /* filter to remove HPQ6000 accelerometer data |
374 | * from keyboard bus stream */ | |
375 | if (strstr(dev_name(&device->dev), "HPQ6000")) | |
376 | i8042_install_filter(hp_accel_i8042_filter); | |
377 | ||
a38da2ed DM |
378 | INIT_WORK(&hpled_led.work, delayed_set_status_worker); |
379 | ret = led_classdev_register(NULL, &hpled_led.led_classdev); | |
9e0c7978 | 380 | if (ret) { |
e1e5687d | 381 | lis3lv02d_joystick_disable(&lis3_dev); |
a38da2ed | 382 | lis3lv02d_poweroff(&lis3_dev); |
9e1c9d86 | 383 | flush_work(&hpled_led.work); |
9e0c7978 EP |
384 | return ret; |
385 | } | |
386 | ||
387 | return ret; | |
cfce41a6 EP |
388 | } |
389 | ||
51fac838 | 390 | static int lis3lv02d_remove(struct acpi_device *device) |
cfce41a6 EP |
391 | { |
392 | if (!device) | |
393 | return -EINVAL; | |
394 | ||
a4c724d0 | 395 | i8042_remove_filter(hp_accel_i8042_filter); |
e1e5687d | 396 | lis3lv02d_joystick_disable(&lis3_dev); |
a38da2ed | 397 | lis3lv02d_poweroff(&lis3_dev); |
cfce41a6 | 398 | |
9e1c9d86 | 399 | led_classdev_unregister(&hpled_led.led_classdev); |
06efbeb4 | 400 | flush_work(&hpled_led.work); |
9e0c7978 | 401 | |
a002ee89 | 402 | return lis3lv02d_remove_fs(&lis3_dev); |
cfce41a6 EP |
403 | } |
404 | ||
405 | ||
3567a4e2 | 406 | #ifdef CONFIG_PM_SLEEP |
4ce05b42 | 407 | static int lis3lv02d_suspend(struct device *dev) |
cfce41a6 EP |
408 | { |
409 | /* make sure the device is off when we suspend */ | |
a38da2ed | 410 | lis3lv02d_poweroff(&lis3_dev); |
cfce41a6 EP |
411 | return 0; |
412 | } | |
413 | ||
4ce05b42 | 414 | static int lis3lv02d_resume(struct device *dev) |
cfce41a6 | 415 | { |
77838199 SK |
416 | lis3lv02d_poweron(&lis3_dev); |
417 | return 0; | |
cfce41a6 | 418 | } |
4ce05b42 RW |
419 | |
420 | static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume); | |
421 | #define HP_ACCEL_PM (&hp_accel_pm) | |
cfce41a6 | 422 | #else |
4ce05b42 | 423 | #define HP_ACCEL_PM NULL |
cfce41a6 EP |
424 | #endif |
425 | ||
426 | /* For the HP MDPS aka 3D Driveguard */ | |
427 | static struct acpi_driver lis3lv02d_driver = { | |
428 | .name = DRIVER_NAME, | |
429 | .class = ACPI_MDPS_CLASS, | |
430 | .ids = lis3lv02d_device_ids, | |
431 | .ops = { | |
432 | .add = lis3lv02d_add, | |
433 | .remove = lis3lv02d_remove, | |
4ce05b42 RW |
434 | }, |
435 | .drv.pm = HP_ACCEL_PM, | |
cfce41a6 | 436 | }; |
46f6471c | 437 | module_acpi_driver(lis3lv02d_driver); |
cfce41a6 | 438 | |
9e0c7978 | 439 | MODULE_DESCRIPTION("Glue between LIS3LV02Dx and HP ACPI BIOS and support for disk protection LED."); |
cfce41a6 EP |
440 | MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek"); |
441 | MODULE_LICENSE("GPL"); |