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45fe6f7d | 1 | /* |
2 | * HID Sensors Driver | |
3 | * Copyright (c) 2012, Intel Corporation. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms and conditions of the GNU General Public License, | |
7 | * version 2, as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | * | |
18 | */ | |
19 | #include <linux/device.h> | |
20 | #include <linux/platform_device.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/interrupt.h> | |
23 | #include <linux/irq.h> | |
24 | #include <linux/slab.h> | |
c6399453 | 25 | #include <linux/delay.h> |
45fe6f7d | 26 | #include <linux/hid-sensor-hub.h> |
27 | #include <linux/iio/iio.h> | |
28 | #include <linux/iio/sysfs.h> | |
29 | #include <linux/iio/buffer.h> | |
30 | #include <linux/iio/trigger_consumer.h> | |
31 | #include <linux/iio/triggered_buffer.h> | |
45fe6f7d | 32 | #include "../common/hid-sensors/hid-sensor-trigger.h" |
33 | ||
45fe6f7d | 34 | enum accel_3d_channel { |
35 | CHANNEL_SCAN_INDEX_X, | |
36 | CHANNEL_SCAN_INDEX_Y, | |
37 | CHANNEL_SCAN_INDEX_Z, | |
38 | ACCEL_3D_CHANNEL_MAX, | |
39 | }; | |
40 | ||
41 | struct accel_3d_state { | |
42 | struct hid_sensor_hub_callbacks callbacks; | |
e07c6d17 | 43 | struct hid_sensor_common common_attributes; |
45fe6f7d | 44 | struct hid_sensor_hub_attribute_info accel[ACCEL_3D_CHANNEL_MAX]; |
a96cd0f9 SP |
45 | /* Reserve for 3 channels + padding + timestamp */ |
46 | u32 accel_val[ACCEL_3D_CHANNEL_MAX + 3]; | |
73a24988 SP |
47 | int scale_pre_decml; |
48 | int scale_post_decml; | |
49 | int scale_precision; | |
50 | int value_offset; | |
a96cd0f9 | 51 | int64_t timestamp; |
45fe6f7d | 52 | }; |
53 | ||
54 | static const u32 accel_3d_addresses[ACCEL_3D_CHANNEL_MAX] = { | |
55 | HID_USAGE_SENSOR_ACCEL_X_AXIS, | |
56 | HID_USAGE_SENSOR_ACCEL_Y_AXIS, | |
57 | HID_USAGE_SENSOR_ACCEL_Z_AXIS | |
58 | }; | |
59 | ||
60 | /* Channel definitions */ | |
61 | static const struct iio_chan_spec accel_3d_channels[] = { | |
62 | { | |
63 | .type = IIO_ACCEL, | |
64 | .modified = 1, | |
65 | .channel2 = IIO_MOD_X, | |
c6399453 | 66 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), |
ecbe18f2 JC |
67 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | |
68 | BIT(IIO_CHAN_INFO_SCALE) | | |
69 | BIT(IIO_CHAN_INFO_SAMP_FREQ) | | |
70 | BIT(IIO_CHAN_INFO_HYSTERESIS), | |
45fe6f7d | 71 | .scan_index = CHANNEL_SCAN_INDEX_X, |
72 | }, { | |
73 | .type = IIO_ACCEL, | |
74 | .modified = 1, | |
75 | .channel2 = IIO_MOD_Y, | |
c6399453 | 76 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), |
ecbe18f2 JC |
77 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | |
78 | BIT(IIO_CHAN_INFO_SCALE) | | |
79 | BIT(IIO_CHAN_INFO_SAMP_FREQ) | | |
80 | BIT(IIO_CHAN_INFO_HYSTERESIS), | |
45fe6f7d | 81 | .scan_index = CHANNEL_SCAN_INDEX_Y, |
82 | }, { | |
83 | .type = IIO_ACCEL, | |
84 | .modified = 1, | |
85 | .channel2 = IIO_MOD_Z, | |
c6399453 | 86 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), |
ecbe18f2 JC |
87 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | |
88 | BIT(IIO_CHAN_INFO_SCALE) | | |
89 | BIT(IIO_CHAN_INFO_SAMP_FREQ) | | |
90 | BIT(IIO_CHAN_INFO_HYSTERESIS), | |
45fe6f7d | 91 | .scan_index = CHANNEL_SCAN_INDEX_Z, |
a96cd0f9 SP |
92 | }, |
93 | IIO_CHAN_SOFT_TIMESTAMP(3) | |
45fe6f7d | 94 | }; |
95 | ||
0e377f3b SH |
96 | /* Channel definitions */ |
97 | static const struct iio_chan_spec gravity_channels[] = { | |
98 | { | |
99 | .type = IIO_GRAVITY, | |
100 | .modified = 1, | |
101 | .channel2 = IIO_MOD_X, | |
102 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), | |
103 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | | |
104 | BIT(IIO_CHAN_INFO_SCALE) | | |
105 | BIT(IIO_CHAN_INFO_SAMP_FREQ) | | |
106 | BIT(IIO_CHAN_INFO_HYSTERESIS), | |
107 | .scan_index = CHANNEL_SCAN_INDEX_X, | |
108 | }, { | |
109 | .type = IIO_GRAVITY, | |
110 | .modified = 1, | |
111 | .channel2 = IIO_MOD_Y, | |
112 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), | |
113 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | | |
114 | BIT(IIO_CHAN_INFO_SCALE) | | |
115 | BIT(IIO_CHAN_INFO_SAMP_FREQ) | | |
116 | BIT(IIO_CHAN_INFO_HYSTERESIS), | |
117 | .scan_index = CHANNEL_SCAN_INDEX_Y, | |
118 | }, { | |
119 | .type = IIO_GRAVITY, | |
120 | .modified = 1, | |
121 | .channel2 = IIO_MOD_Z, | |
122 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), | |
123 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | | |
124 | BIT(IIO_CHAN_INFO_SCALE) | | |
125 | BIT(IIO_CHAN_INFO_SAMP_FREQ) | | |
126 | BIT(IIO_CHAN_INFO_HYSTERESIS), | |
127 | .scan_index = CHANNEL_SCAN_INDEX_Z, | |
128 | } | |
129 | }; | |
130 | ||
45fe6f7d | 131 | /* Adjust channel real bits based on report descriptor */ |
132 | static void accel_3d_adjust_channel_bit_mask(struct iio_chan_spec *channels, | |
133 | int channel, int size) | |
134 | { | |
135 | channels[channel].scan_type.sign = 's'; | |
136 | /* Real storage bits will change based on the report desc. */ | |
137 | channels[channel].scan_type.realbits = size * 8; | |
138 | /* Maximum size of a sample to capture is u32 */ | |
139 | channels[channel].scan_type.storagebits = sizeof(u32) * 8; | |
140 | } | |
141 | ||
142 | /* Channel read_raw handler */ | |
143 | static int accel_3d_read_raw(struct iio_dev *indio_dev, | |
144 | struct iio_chan_spec const *chan, | |
145 | int *val, int *val2, | |
146 | long mask) | |
147 | { | |
148 | struct accel_3d_state *accel_state = iio_priv(indio_dev); | |
149 | int report_id = -1; | |
150 | u32 address; | |
45fe6f7d | 151 | int ret_type; |
0e377f3b SH |
152 | struct hid_sensor_hub_device *hsdev = |
153 | accel_state->common_attributes.hsdev; | |
45fe6f7d | 154 | |
155 | *val = 0; | |
156 | *val2 = 0; | |
157 | switch (mask) { | |
158 | case 0: | |
c6399453 | 159 | hid_sensor_power_state(&accel_state->common_attributes, true); |
45fe6f7d | 160 | report_id = accel_state->accel[chan->scan_index].report_id; |
161 | address = accel_3d_addresses[chan->scan_index]; | |
162 | if (report_id >= 0) | |
163 | *val = sensor_hub_input_attr_get_raw_value( | |
c6399453 | 164 | accel_state->common_attributes.hsdev, |
0e377f3b | 165 | hsdev->usage, address, report_id, |
b3f4737d | 166 | SENSOR_HUB_SYNC); |
45fe6f7d | 167 | else { |
168 | *val = 0; | |
c6399453 SP |
169 | hid_sensor_power_state(&accel_state->common_attributes, |
170 | false); | |
45fe6f7d | 171 | return -EINVAL; |
172 | } | |
c6399453 | 173 | hid_sensor_power_state(&accel_state->common_attributes, false); |
45fe6f7d | 174 | ret_type = IIO_VAL_INT; |
175 | break; | |
176 | case IIO_CHAN_INFO_SCALE: | |
73a24988 SP |
177 | *val = accel_state->scale_pre_decml; |
178 | *val2 = accel_state->scale_post_decml; | |
179 | ret_type = accel_state->scale_precision; | |
45fe6f7d | 180 | break; |
181 | case IIO_CHAN_INFO_OFFSET: | |
73a24988 | 182 | *val = accel_state->value_offset; |
45fe6f7d | 183 | ret_type = IIO_VAL_INT; |
184 | break; | |
185 | case IIO_CHAN_INFO_SAMP_FREQ: | |
2f084c17 | 186 | ret_type = hid_sensor_read_samp_freq_value( |
45fe6f7d | 187 | &accel_state->common_attributes, val, val2); |
45fe6f7d | 188 | break; |
189 | case IIO_CHAN_INFO_HYSTERESIS: | |
2f084c17 | 190 | ret_type = hid_sensor_read_raw_hyst_value( |
45fe6f7d | 191 | &accel_state->common_attributes, val, val2); |
45fe6f7d | 192 | break; |
193 | default: | |
194 | ret_type = -EINVAL; | |
195 | break; | |
196 | } | |
197 | ||
198 | return ret_type; | |
199 | } | |
200 | ||
201 | /* Channel write_raw handler */ | |
202 | static int accel_3d_write_raw(struct iio_dev *indio_dev, | |
203 | struct iio_chan_spec const *chan, | |
204 | int val, | |
205 | int val2, | |
206 | long mask) | |
207 | { | |
208 | struct accel_3d_state *accel_state = iio_priv(indio_dev); | |
209 | int ret = 0; | |
210 | ||
211 | switch (mask) { | |
212 | case IIO_CHAN_INFO_SAMP_FREQ: | |
213 | ret = hid_sensor_write_samp_freq_value( | |
214 | &accel_state->common_attributes, val, val2); | |
215 | break; | |
216 | case IIO_CHAN_INFO_HYSTERESIS: | |
217 | ret = hid_sensor_write_raw_hyst_value( | |
218 | &accel_state->common_attributes, val, val2); | |
219 | break; | |
220 | default: | |
221 | ret = -EINVAL; | |
222 | } | |
223 | ||
224 | return ret; | |
225 | } | |
226 | ||
45fe6f7d | 227 | static const struct iio_info accel_3d_info = { |
228 | .driver_module = THIS_MODULE, | |
229 | .read_raw = &accel_3d_read_raw, | |
230 | .write_raw = &accel_3d_write_raw, | |
45fe6f7d | 231 | }; |
232 | ||
233 | /* Function to push data to buffer */ | |
a96cd0f9 SP |
234 | static void hid_sensor_push_data(struct iio_dev *indio_dev, void *data, |
235 | int len, int64_t timestamp) | |
45fe6f7d | 236 | { |
45fe6f7d | 237 | dev_dbg(&indio_dev->dev, "hid_sensor_push_data\n"); |
a96cd0f9 | 238 | iio_push_to_buffers_with_timestamp(indio_dev, data, timestamp); |
45fe6f7d | 239 | } |
240 | ||
241 | /* Callback handler to send event after all samples are received and captured */ | |
242 | static int accel_3d_proc_event(struct hid_sensor_hub_device *hsdev, | |
243 | unsigned usage_id, | |
244 | void *priv) | |
245 | { | |
246 | struct iio_dev *indio_dev = platform_get_drvdata(priv); | |
247 | struct accel_3d_state *accel_state = iio_priv(indio_dev); | |
248 | ||
56ff6be6 | 249 | dev_dbg(&indio_dev->dev, "accel_3d_proc_event\n"); |
a96cd0f9 SP |
250 | if (atomic_read(&accel_state->common_attributes.data_ready)) { |
251 | if (!accel_state->timestamp) | |
252 | accel_state->timestamp = iio_get_time_ns(indio_dev); | |
253 | ||
45fe6f7d | 254 | hid_sensor_push_data(indio_dev, |
a96cd0f9 SP |
255 | accel_state->accel_val, |
256 | sizeof(accel_state->accel_val), | |
257 | accel_state->timestamp); | |
258 | ||
259 | accel_state->timestamp = 0; | |
260 | } | |
45fe6f7d | 261 | |
262 | return 0; | |
263 | } | |
264 | ||
265 | /* Capture samples in local storage */ | |
266 | static int accel_3d_capture_sample(struct hid_sensor_hub_device *hsdev, | |
267 | unsigned usage_id, | |
268 | size_t raw_len, char *raw_data, | |
269 | void *priv) | |
270 | { | |
271 | struct iio_dev *indio_dev = platform_get_drvdata(priv); | |
272 | struct accel_3d_state *accel_state = iio_priv(indio_dev); | |
273 | int offset; | |
274 | int ret = -EINVAL; | |
275 | ||
276 | switch (usage_id) { | |
277 | case HID_USAGE_SENSOR_ACCEL_X_AXIS: | |
278 | case HID_USAGE_SENSOR_ACCEL_Y_AXIS: | |
279 | case HID_USAGE_SENSOR_ACCEL_Z_AXIS: | |
280 | offset = usage_id - HID_USAGE_SENSOR_ACCEL_X_AXIS; | |
281 | accel_state->accel_val[CHANNEL_SCAN_INDEX_X + offset] = | |
282 | *(u32 *)raw_data; | |
283 | ret = 0; | |
284 | break; | |
a96cd0f9 SP |
285 | case HID_USAGE_SENSOR_TIME_TIMESTAMP: |
286 | accel_state->timestamp = | |
287 | hid_sensor_convert_timestamp( | |
288 | &accel_state->common_attributes, | |
289 | *(int64_t *)raw_data); | |
290 | break; | |
45fe6f7d | 291 | default: |
292 | break; | |
293 | } | |
294 | ||
295 | return ret; | |
296 | } | |
297 | ||
298 | /* Parse report which is specific to an usage id*/ | |
299 | static int accel_3d_parse_report(struct platform_device *pdev, | |
300 | struct hid_sensor_hub_device *hsdev, | |
301 | struct iio_chan_spec *channels, | |
302 | unsigned usage_id, | |
303 | struct accel_3d_state *st) | |
304 | { | |
305 | int ret; | |
306 | int i; | |
307 | ||
308 | for (i = 0; i <= CHANNEL_SCAN_INDEX_Z; ++i) { | |
309 | ret = sensor_hub_input_get_attribute_info(hsdev, | |
310 | HID_INPUT_REPORT, | |
311 | usage_id, | |
312 | HID_USAGE_SENSOR_ACCEL_X_AXIS + i, | |
313 | &st->accel[CHANNEL_SCAN_INDEX_X + i]); | |
314 | if (ret < 0) | |
315 | break; | |
316 | accel_3d_adjust_channel_bit_mask(channels, | |
317 | CHANNEL_SCAN_INDEX_X + i, | |
318 | st->accel[CHANNEL_SCAN_INDEX_X + i].size); | |
319 | } | |
320 | dev_dbg(&pdev->dev, "accel_3d %x:%x, %x:%x, %x:%x\n", | |
321 | st->accel[0].index, | |
322 | st->accel[0].report_id, | |
323 | st->accel[1].index, st->accel[1].report_id, | |
324 | st->accel[2].index, st->accel[2].report_id); | |
325 | ||
73a24988 | 326 | st->scale_precision = hid_sensor_format_scale( |
0e377f3b | 327 | hsdev->usage, |
73a24988 SP |
328 | &st->accel[CHANNEL_SCAN_INDEX_X], |
329 | &st->scale_pre_decml, &st->scale_post_decml); | |
330 | ||
64528d03 SP |
331 | /* Set Sensitivity field ids, when there is no individual modifier */ |
332 | if (st->common_attributes.sensitivity.index < 0) { | |
333 | sensor_hub_input_get_attribute_info(hsdev, | |
334 | HID_FEATURE_REPORT, usage_id, | |
335 | HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS | | |
336 | HID_USAGE_SENSOR_DATA_ACCELERATION, | |
337 | &st->common_attributes.sensitivity); | |
338 | dev_dbg(&pdev->dev, "Sensitivity index:report %d:%d\n", | |
339 | st->common_attributes.sensitivity.index, | |
340 | st->common_attributes.sensitivity.report_id); | |
341 | } | |
342 | ||
45fe6f7d | 343 | return ret; |
344 | } | |
345 | ||
346 | /* Function to initialize the processing for usage id */ | |
fc52692c | 347 | static int hid_accel_3d_probe(struct platform_device *pdev) |
45fe6f7d | 348 | { |
349 | int ret = 0; | |
0e377f3b | 350 | static const char *name; |
45fe6f7d | 351 | struct iio_dev *indio_dev; |
352 | struct accel_3d_state *accel_state; | |
0e377f3b SH |
353 | const struct iio_chan_spec *channel_spec; |
354 | int channel_size; | |
355 | ||
45fe6f7d | 356 | struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; |
45fe6f7d | 357 | |
6b545eed SK |
358 | indio_dev = devm_iio_device_alloc(&pdev->dev, |
359 | sizeof(struct accel_3d_state)); | |
360 | if (indio_dev == NULL) | |
361 | return -ENOMEM; | |
362 | ||
45fe6f7d | 363 | platform_set_drvdata(pdev, indio_dev); |
364 | ||
365 | accel_state = iio_priv(indio_dev); | |
366 | accel_state->common_attributes.hsdev = hsdev; | |
367 | accel_state->common_attributes.pdev = pdev; | |
368 | ||
0e377f3b SH |
369 | if (hsdev->usage == HID_USAGE_SENSOR_ACCEL_3D) { |
370 | name = "accel_3d"; | |
371 | channel_spec = accel_3d_channels; | |
372 | channel_size = sizeof(accel_3d_channels); | |
862d1d89 | 373 | indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels); |
0e377f3b SH |
374 | } else { |
375 | name = "gravity"; | |
376 | channel_spec = gravity_channels; | |
377 | channel_size = sizeof(gravity_channels); | |
862d1d89 | 378 | indio_dev->num_channels = ARRAY_SIZE(gravity_channels); |
0e377f3b SH |
379 | } |
380 | ret = hid_sensor_parse_common_attributes(hsdev, hsdev->usage, | |
45fe6f7d | 381 | &accel_state->common_attributes); |
382 | if (ret) { | |
383 | dev_err(&pdev->dev, "failed to setup common attributes\n"); | |
6b545eed | 384 | return ret; |
45fe6f7d | 385 | } |
0e377f3b | 386 | indio_dev->channels = kmemdup(channel_spec, channel_size, GFP_KERNEL); |
45fe6f7d | 387 | |
b136faff | 388 | if (!indio_dev->channels) { |
45fe6f7d | 389 | dev_err(&pdev->dev, "failed to duplicate channels\n"); |
6b545eed | 390 | return -ENOMEM; |
45fe6f7d | 391 | } |
b136faff | 392 | ret = accel_3d_parse_report(pdev, hsdev, |
0e377f3b SH |
393 | (struct iio_chan_spec *)indio_dev->channels, |
394 | hsdev->usage, accel_state); | |
45fe6f7d | 395 | if (ret) { |
396 | dev_err(&pdev->dev, "failed to setup attributes\n"); | |
397 | goto error_free_dev_mem; | |
398 | } | |
399 | ||
45fe6f7d | 400 | indio_dev->dev.parent = &pdev->dev; |
401 | indio_dev->info = &accel_3d_info; | |
402 | indio_dev->name = name; | |
403 | indio_dev->modes = INDIO_DIRECT_MODE; | |
404 | ||
405 | ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time, | |
406 | NULL, NULL); | |
407 | if (ret) { | |
408 | dev_err(&pdev->dev, "failed to initialize trigger buffer\n"); | |
409 | goto error_free_dev_mem; | |
410 | } | |
56ff6be6 | 411 | atomic_set(&accel_state->common_attributes.data_ready, 0); |
45fe6f7d | 412 | ret = hid_sensor_setup_trigger(indio_dev, name, |
413 | &accel_state->common_attributes); | |
414 | if (ret < 0) { | |
415 | dev_err(&pdev->dev, "trigger setup failed\n"); | |
416 | goto error_unreg_buffer_funcs; | |
417 | } | |
418 | ||
419 | ret = iio_device_register(indio_dev); | |
420 | if (ret) { | |
421 | dev_err(&pdev->dev, "device register failed\n"); | |
422 | goto error_remove_trigger; | |
423 | } | |
424 | ||
425 | accel_state->callbacks.send_event = accel_3d_proc_event; | |
426 | accel_state->callbacks.capture_sample = accel_3d_capture_sample; | |
427 | accel_state->callbacks.pdev = pdev; | |
0e377f3b | 428 | ret = sensor_hub_register_callback(hsdev, hsdev->usage, |
45fe6f7d | 429 | &accel_state->callbacks); |
430 | if (ret < 0) { | |
431 | dev_err(&pdev->dev, "callback reg failed\n"); | |
432 | goto error_iio_unreg; | |
433 | } | |
434 | ||
435 | return ret; | |
436 | ||
437 | error_iio_unreg: | |
438 | iio_device_unregister(indio_dev); | |
439 | error_remove_trigger: | |
ec7f68e0 | 440 | hid_sensor_remove_trigger(&accel_state->common_attributes); |
45fe6f7d | 441 | error_unreg_buffer_funcs: |
442 | iio_triggered_buffer_cleanup(indio_dev); | |
443 | error_free_dev_mem: | |
444 | kfree(indio_dev->channels); | |
45fe6f7d | 445 | return ret; |
446 | } | |
447 | ||
448 | /* Function to deinitialize the processing for usage id */ | |
fc52692c | 449 | static int hid_accel_3d_remove(struct platform_device *pdev) |
45fe6f7d | 450 | { |
451 | struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; | |
452 | struct iio_dev *indio_dev = platform_get_drvdata(pdev); | |
ec7f68e0 | 453 | struct accel_3d_state *accel_state = iio_priv(indio_dev); |
45fe6f7d | 454 | |
0e377f3b | 455 | sensor_hub_remove_callback(hsdev, hsdev->usage); |
45fe6f7d | 456 | iio_device_unregister(indio_dev); |
ec7f68e0 | 457 | hid_sensor_remove_trigger(&accel_state->common_attributes); |
45fe6f7d | 458 | iio_triggered_buffer_cleanup(indio_dev); |
459 | kfree(indio_dev->channels); | |
45fe6f7d | 460 | |
461 | return 0; | |
462 | } | |
463 | ||
76ec50a1 | 464 | static const struct platform_device_id hid_accel_3d_ids[] = { |
66c721f7 AH |
465 | { |
466 | /* Format: HID-SENSOR-usage_id_in_hex_lowercase */ | |
467 | .name = "HID-SENSOR-200073", | |
468 | }, | |
0e377f3b SH |
469 | { /* gravity sensor */ |
470 | .name = "HID-SENSOR-20007b", | |
471 | }, | |
66c721f7 AH |
472 | { /* sentinel */ } |
473 | }; | |
474 | MODULE_DEVICE_TABLE(platform, hid_accel_3d_ids); | |
475 | ||
45fe6f7d | 476 | static struct platform_driver hid_accel_3d_platform_driver = { |
66c721f7 | 477 | .id_table = hid_accel_3d_ids, |
45fe6f7d | 478 | .driver = { |
66c721f7 | 479 | .name = KBUILD_MODNAME, |
cbbcc937 | 480 | .pm = &hid_sensor_pm_ops, |
45fe6f7d | 481 | }, |
482 | .probe = hid_accel_3d_probe, | |
483 | .remove = hid_accel_3d_remove, | |
484 | }; | |
485 | module_platform_driver(hid_accel_3d_platform_driver); | |
486 | ||
487 | MODULE_DESCRIPTION("HID Sensor Accel 3D"); | |
488 | MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@intel.com>"); | |
489 | MODULE_LICENSE("GPL"); |