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path: root/drivers/input/touchscreen/rmi4/rmi_f19.c
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Diffstat (limited to 'drivers/input/touchscreen/rmi4/rmi_f19.c')
-rw-r--r--drivers/input/touchscreen/rmi4/rmi_f19.c1419
1 files changed, 1419 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/rmi4/rmi_f19.c b/drivers/input/touchscreen/rmi4/rmi_f19.c
new file mode 100644
index 00000000000..9ff9ff99f91
--- /dev/null
+++ b/drivers/input/touchscreen/rmi4/rmi_f19.c
@@ -0,0 +1,1419 @@
1/*
2 * Copyright (c) 2011 Synaptics Incorporated
3 * Copyright (c) 2011 Unixphere
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19#include <linux/kernel.h>
20#include <linux/rmi.h>
21#include <linux/input.h>
22#include <linux/slab.h>
23
24#define QUERY_BASE_INDEX 1
25#define MAX_LEN 256
26
27struct f19_0d_query {
28 union {
29 struct {
30 u8 configurable:1;
31 u8 has_sensitivity_adjust:1;
32 u8 has_hysteresis_threshold:1;
33 };
34 u8 f19_0d_query0;
35 };
36 u8 f19_0d_query1:5;
37};
38
39struct f19_0d_control_0 {
40 union {
41 struct {
42 u8 button_usage:2;
43 u8 filter_mode:2;
44 };
45 u8 f19_0d_control0;
46 };
47};
48
49struct f19_0d_control_1 {
50 u8 int_enabled_button;
51};
52
53struct f19_0d_control_2 {
54 u8 single_button;
55};
56
57struct f19_0d_control_3_4 {
58 u8 sensor_map_button:7;
59 /*u8 sensitivity_button;*/
60};
61
62struct f19_0d_control_5 {
63 u8 sensitivity_adj;
64};
65struct f19_0d_control_6 {
66 u8 hysteresis_threshold;
67};
68
69struct f19_0d_control {
70 struct f19_0d_control_0 *general_control;
71 struct f19_0d_control_1 *button_int_enable;
72 struct f19_0d_control_2 *single_button_participation;
73 struct f19_0d_control_3_4 *sensor_map;
74 struct f19_0d_control_5 *all_button_sensitivity_adj;
75 struct f19_0d_control_6 *all_button_hysteresis_threshold;
76};
77/* data specific to fn $19 that needs to be kept around */
78struct f19_data {
79 struct f19_0d_control *button_control;
80 struct f19_0d_query button_query;
81 u8 button_rezero;
82 bool *button_down;
83 unsigned char button_count;
84 unsigned char button_data_buffer_size;
85 unsigned char *button_data_buffer;
86 unsigned char *button_map;
87 char input_name[MAX_LEN];
88 char input_phys[MAX_LEN];
89 struct input_dev *input;
90};
91
92static ssize_t rmi_f19_button_count_show(struct device *dev,
93 struct device_attribute *attr,
94 char *buf);
95
96static ssize_t rmi_f19_button_map_show(struct device *dev,
97 struct device_attribute *attr, char *buf);
98
99static ssize_t rmi_f19_button_map_store(struct device *dev,
100 struct device_attribute *attr,
101 const char *buf, size_t count);
102static ssize_t rmi_f19_rezero_show(struct device *dev,
103 struct device_attribute *attr,
104 char *buf);
105static ssize_t rmi_f19_rezero_store(struct device *dev,
106 struct device_attribute *attr,
107 const char *buf, size_t count);
108static ssize_t rmi_f19_has_hysteresis_threshold_show(struct device *dev,
109 struct device_attribute *attr, char *buf);
110static ssize_t rmi_f19_has_sensitivity_adjust_show(struct device *dev,
111 struct device_attribute *attr, char *buf);
112static ssize_t rmi_f19_configurable_show(struct device *dev,
113 struct device_attribute *attr, char *buf);
114static ssize_t rmi_f19_filter_mode_show(struct device *dev,
115 struct device_attribute *attr,
116 char *buf);
117static ssize_t rmi_f19_filter_mode_store(struct device *dev,
118 struct device_attribute *attr,
119 const char *buf, size_t count);
120static ssize_t rmi_f19_button_usage_show(struct device *dev,
121 struct device_attribute *attr,
122 char *buf);
123static ssize_t rmi_f19_button_usage_store(struct device *dev,
124 struct device_attribute *attr,
125 const char *buf, size_t count);
126static ssize_t rmi_f19_interrupt_enable_button_show(struct device *dev,
127 struct device_attribute *attr,
128 char *buf);
129static ssize_t rmi_f19_interrupt_enable_button_store(struct device *dev,
130 struct device_attribute *attr,
131 const char *buf, size_t count);
132static ssize_t rmi_f19_single_button_show(struct device *dev,
133 struct device_attribute *attr,
134 char *buf);
135static ssize_t rmi_f19_single_button_store(struct device *dev,
136 struct device_attribute *attr,
137 const char *buf, size_t count);
138static ssize_t rmi_f19_sensor_map_show(struct device *dev,
139 struct device_attribute *attr,
140 char *buf);
141static ssize_t rmi_f19_sensor_map_store(struct device *dev,
142 struct device_attribute *attr,
143 const char *buf, size_t count);
144static ssize_t rmi_f19_sensitivity_adjust_show(struct device *dev,
145 struct device_attribute *attr,
146 char *buf);
147static ssize_t rmi_f19_sensitivity_adjust_store(struct device *dev,
148 struct device_attribute *attr,
149 const char *buf, size_t count);
150static ssize_t rmi_f19_hysteresis_threshold_show(struct device *dev,
151 struct device_attribute *attr,
152 char *buf);
153static ssize_t rmi_f19_hysteresis_threshold_store(struct device *dev,
154 struct device_attribute *attr,
155 const char *buf, size_t count);
156
157
158static struct device_attribute attrs[] = {
159 __ATTR(button_count, RMI_RO_ATTR,
160 rmi_f19_button_count_show, rmi_store_error),
161 __ATTR(button_map, RMI_RW_ATTR,
162 rmi_f19_button_map_show, rmi_f19_button_map_store),
163 __ATTR(rezero, RMI_RW_ATTR,
164 rmi_f19_rezero_show, rmi_f19_rezero_store),
165 __ATTR(has_hysteresis_threshold, RMI_RO_ATTR,
166 rmi_f19_has_hysteresis_threshold_show, rmi_store_error),
167 __ATTR(has_sensitivity_adjust, RMI_RO_ATTR,
168 rmi_f19_has_sensitivity_adjust_show, rmi_store_error),
169 __ATTR(configurable, RMI_RO_ATTR,
170 rmi_f19_configurable_show, rmi_store_error),
171 __ATTR(filter_mode, RMI_RW_ATTR,
172 rmi_f19_filter_mode_show, rmi_f19_filter_mode_store),
173 __ATTR(button_usage, RMI_RW_ATTR,
174 rmi_f19_button_usage_show, rmi_f19_button_usage_store),
175 __ATTR(interrupt_enable_button, RMI_RW_ATTR,
176 rmi_f19_interrupt_enable_button_show,
177 rmi_f19_interrupt_enable_button_store),
178 __ATTR(single_button, RMI_RW_ATTR,
179 rmi_f19_single_button_show, rmi_f19_single_button_store),
180 __ATTR(sensor_map, RMI_RW_ATTR,
181 rmi_f19_sensor_map_show, rmi_f19_sensor_map_store),
182 __ATTR(sensitivity_adjust, RMI_RW_ATTR,
183 rmi_f19_sensitivity_adjust_show,
184 rmi_f19_sensitivity_adjust_store),
185 __ATTR(hysteresis_threshold, RMI_RW_ATTR,
186 rmi_f19_hysteresis_threshold_show,
187 rmi_f19_hysteresis_threshold_store)
188};
189
190
191int rmi_f19_read_control_parameters(struct rmi_device *rmi_dev,
192 struct f19_0d_control *button_control,
193 unsigned char button_count,
194 unsigned char int_button_enabled_count,
195 u8 ctrl_base_addr)
196{
197 int error = 0;
198 int i;
199
200 if (button_control->general_control) {
201 error = rmi_read_block(rmi_dev, ctrl_base_addr,
202 (u8 *)button_control->general_control,
203 sizeof(struct f19_0d_control_0));
204 if (error < 0) {
205 dev_err(&rmi_dev->dev,
206 "Failed to read f19_0d_control_0, code:"
207 " %d.\n", error);
208 return error;
209 }
210 ctrl_base_addr = ctrl_base_addr +
211 sizeof(struct f19_0d_control_0);
212 }
213
214 if (button_control->button_int_enable) {
215 for (i = 0; i < int_button_enabled_count; i++) {
216 error = rmi_read_block(rmi_dev, ctrl_base_addr,
217 (u8 *)&button_control->button_int_enable[i],
218 sizeof(struct f19_0d_control_1));
219 if (error < 0) {
220 dev_err(&rmi_dev->dev,
221 "Failed to read f19_0d_control_2,"
222 " code: %d.\n", error);
223 return error;
224 }
225 ctrl_base_addr = ctrl_base_addr +
226 sizeof(struct f19_0d_control_1);
227 }
228 }
229
230 if (button_control->single_button_participation) {
231 for (i = 0; i < int_button_enabled_count; i++) {
232 error = rmi_read_block(rmi_dev, ctrl_base_addr,
233 (u8 *)&button_control->
234 single_button_participation[i],
235 sizeof(struct f19_0d_control_2));
236 if (error < 0) {
237 dev_err(&rmi_dev->dev,
238 "Failed to read f19_0d_control_2,"
239 " code: %d.\n", error);
240 return error;
241 }
242 ctrl_base_addr = ctrl_base_addr +
243 sizeof(struct f19_0d_control_2);
244 }
245 }
246
247 if (button_control->sensor_map) {
248 for (i = 0; i < button_count; i++) {
249 error = rmi_read_block(rmi_dev, ctrl_base_addr,
250 (u8 *)&button_control->sensor_map[i],
251 sizeof(struct f19_0d_control_3_4));
252 if (error < 0) {
253 dev_err(&rmi_dev->dev,
254 "Failed to read f19_0d_control_3_4,"
255 " code: %d.\n", error);
256 return error;
257 }
258 ctrl_base_addr = ctrl_base_addr +
259 sizeof(struct f19_0d_control_3_4);
260 }
261 }
262
263 if (button_control->all_button_sensitivity_adj) {
264 error = rmi_read_block(rmi_dev, ctrl_base_addr,
265 (u8 *)button_control->
266 all_button_sensitivity_adj,
267 sizeof(struct f19_0d_control_5));
268 if (error < 0) {
269 dev_err(&rmi_dev->dev,
270 "Failed to read f19_0d_control_5,"
271 " code: %d.\n", error);
272 return error;
273 }
274 ctrl_base_addr = ctrl_base_addr +
275 sizeof(struct f19_0d_control_5);
276 }
277
278 if (button_control->all_button_hysteresis_threshold) {
279 error = rmi_read_block(rmi_dev, ctrl_base_addr,
280 (u8 *)button_control->
281 all_button_hysteresis_threshold,
282 sizeof(struct f19_0d_control_6));
283 if (error < 0) {
284 dev_err(&rmi_dev->dev,
285 "Failed to read f19_0d_control_6,"
286 " code: %d.\n", error);
287 return error;
288 }
289 ctrl_base_addr = ctrl_base_addr +
290 sizeof(struct f19_0d_control_6);
291 }
292 return 0;
293}
294
295
296int rmi_f19_initialize_control_parameters(struct rmi_device *rmi_dev,
297 struct f19_0d_control *button_control,
298 unsigned char button_count,
299 unsigned char int_button_enabled_count,
300 int control_base_addr)
301{
302 int error = 0;
303
304 button_control->general_control =
305 kzalloc(sizeof(struct f19_0d_control_0), GFP_KERNEL);
306 if (!button_control->general_control) {
307 dev_err(&rmi_dev->dev, "Failed to allocate"
308 " f19_0d_control_0.\n");
309 error = -ENOMEM;
310 goto error_exit;
311 }
312
313 button_control->button_int_enable =
314 kzalloc(int_button_enabled_count *
315 sizeof(struct f19_0d_control_2), GFP_KERNEL);
316 if (!button_control->button_int_enable) {
317 dev_err(&rmi_dev->dev, "Failed to allocate f19_0d_control_1.\n");
318 error = -ENOMEM;
319 goto error_exit;
320 }
321
322 button_control->single_button_participation =
323 kzalloc(int_button_enabled_count *
324 sizeof(struct f19_0d_control_2), GFP_KERNEL);
325 if (!button_control->single_button_participation) {
326 dev_err(&rmi_dev->dev, "Failed to allocate"
327 " f19_0d_control_2.\n");
328 error = -ENOMEM;
329 goto error_exit;
330 }
331
332 button_control->sensor_map =
333 kzalloc(button_count *
334 sizeof(struct f19_0d_control_3_4), GFP_KERNEL);
335 if (!button_control->sensor_map) {
336 dev_err(&rmi_dev->dev, "Failed to allocate"
337 " f19_0d_control_3_4.\n");
338 error = -ENOMEM;
339 goto error_exit;
340 }
341
342 button_control->all_button_sensitivity_adj =
343 kzalloc(sizeof(struct f19_0d_control_5), GFP_KERNEL);
344 if (!button_control->all_button_sensitivity_adj) {
345 dev_err(&rmi_dev->dev, "Failed to allocate"
346 " f19_0d_control_5.\n");
347 error = -ENOMEM;
348 goto error_exit;
349 }
350
351 button_control->all_button_hysteresis_threshold =
352 kzalloc(sizeof(struct f19_0d_control_6), GFP_KERNEL);
353 if (!button_control->all_button_hysteresis_threshold) {
354 dev_err(&rmi_dev->dev, "Failed to allocate"
355 " f19_0d_control_6.\n");
356 error = -ENOMEM;
357 goto error_exit;
358 }
359 return rmi_f19_read_control_parameters(rmi_dev, button_control,
360 button_count, int_button_enabled_count, control_base_addr);
361
362error_exit:
363 kfree(button_control->general_control);
364 kfree(button_control->button_int_enable);
365 kfree(button_control->single_button_participation);
366 kfree(button_control->sensor_map);
367 kfree(button_control->all_button_sensitivity_adj);
368 kfree(button_control->all_button_hysteresis_threshold);
369 return error;
370}
371
372static int rmi_f19_init(struct rmi_function_container *fc)
373{
374 struct rmi_device *rmi_dev = fc->rmi_dev;
375 struct rmi_device_platform_data *pdata;
376 struct f19_data *f19;
377 struct input_dev *input_dev;
378 u8 query_base_addr;
379 int rc;
380 int i;
381 int attr_count = 0;
382
383 dev_info(&fc->dev, "Intializing F19 values.");
384
385 f19 = kzalloc(sizeof(struct f19_data), GFP_KERNEL);
386 if (!f19) {
387 dev_err(&fc->dev, "Failed to allocate function data.\n");
388 return -ENOMEM;
389 }
390 pdata = to_rmi_platform_data(rmi_dev);
391 query_base_addr = fc->fd.query_base_addr;
392
393 /* initial all default values for f19 data here */
394 rc = rmi_read(rmi_dev, fc->fd.command_base_addr,
395 (u8 *)&f19->button_rezero);
396 if (rc < 0) {
397 dev_err(&fc->dev, "Failed to read command register.\n");
398 goto err_free_data;
399 }
400
401 f19->button_rezero = f19->button_rezero & 1;
402
403 rc = rmi_read_block(rmi_dev, query_base_addr, (u8 *)&f19->button_query,
404 sizeof(struct f19_0d_query));
405 f19->button_count = f19->button_query.f19_0d_query1;
406
407 if (rc < 0) {
408 dev_err(&fc->dev, "Failed to read query register.\n");
409 goto err_free_data;
410 }
411
412
413 /* Figure out just how much data we'll need to read. */
414 f19->button_down = kcalloc(f19->button_count,
415 sizeof(bool), GFP_KERNEL);
416 if (!f19->button_down) {
417 dev_err(&fc->dev, "Failed to allocate button state buffer.\n");
418 rc = -ENOMEM;
419 goto err_free_data;
420 }
421
422 f19->button_data_buffer_size = (f19->button_count + 7) / 8;
423 f19->button_data_buffer =
424 kcalloc(f19->button_data_buffer_size,
425 sizeof(unsigned char), GFP_KERNEL);
426 if (!f19->button_data_buffer) {
427 dev_err(&fc->dev, "Failed to allocate button data buffer.\n");
428 rc = -ENOMEM;
429 goto err_free_data;
430 }
431
432 f19->button_map = kcalloc(f19->button_count,
433 sizeof(unsigned char), GFP_KERNEL);
434 if (!f19->button_map) {
435 dev_err(&fc->dev, "Failed to allocate button map.\n");
436 rc = -ENOMEM;
437 goto err_free_data;
438 }
439
440 if (pdata) {
441 if (pdata->button_map->nbuttons != f19->button_count) {
442 dev_warn(&fc->dev,
443 "Platformdata button map size (%d) != number "
444 "of buttons on device (%d) - ignored.\n",
445 pdata->button_map->nbuttons,
446 f19->button_count);
447 } else if (!pdata->button_map->map) {
448 dev_warn(&fc->dev,
449 "Platformdata button map is missing!\n");
450 } else {
451 for (i = 0; i < pdata->button_map->nbuttons; i++)
452 f19->button_map[i] = pdata->button_map->map[i];
453 }
454 }
455
456 f19->button_control = kzalloc(sizeof(struct f19_0d_control),
457 GFP_KERNEL);
458
459 rc = rmi_f19_initialize_control_parameters(fc->rmi_dev,
460 f19->button_control, f19->button_count,
461 f19->button_data_buffer_size, fc->fd.control_base_addr);
462 if (rc < 0) {
463 dev_err(&fc->dev,
464 "Failed to initialize F19 control params.\n");
465 goto err_free_data;
466 }
467
468 input_dev = input_allocate_device();
469 if (!input_dev) {
470 dev_err(&fc->dev, "Failed to allocate input device.\n");
471 rc = -ENOMEM;
472 goto err_free_data;
473 }
474
475 f19->input = input_dev;
476 snprintf(f19->input_name, MAX_LEN, "%sfn%02x", dev_name(&rmi_dev->dev),
477 fc->fd.function_number);
478 input_dev->name = f19->input_name;
479 snprintf(f19->input_phys, MAX_LEN, "%s/input0", input_dev->name);
480 input_dev->phys = f19->input_phys;
481 input_dev->dev.parent = &rmi_dev->dev;
482 input_set_drvdata(input_dev, f19);
483
484 /* Set up any input events. */
485 set_bit(EV_SYN, input_dev->evbit);
486 set_bit(EV_KEY, input_dev->evbit);
487 /* set bits for each button... */
488 for (i = 0; i < f19->button_count; i++)
489 set_bit(f19->button_map[i], input_dev->keybit);
490 rc = input_register_device(input_dev);
491 if (rc < 0) {
492 dev_err(&fc->dev, "Failed to register input device.\n");
493 goto err_free_input;
494 }
495
496 dev_dbg(&fc->dev, "Creating sysfs files.\n");
497 /* Set up sysfs device attributes. */
498 for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) {
499 if (sysfs_create_file
500 (&fc->dev.kobj, &attrs[attr_count].attr) < 0) {
501 dev_err(&fc->dev,
502 "Failed to create sysfs file for %s.",
503 attrs[attr_count].attr.name);
504 rc = -ENODEV;
505 goto err_free_data;
506 }
507 }
508 fc->data = f19;
509 return 0;
510
511err_free_input:
512 input_free_device(f19->input);
513
514err_free_data:
515 if (f19) {
516 kfree(f19->button_down);
517 kfree(f19->button_data_buffer);
518 kfree(f19->button_map);
519 }
520 kfree(f19);
521 for (attr_count--; attr_count >= 0; attr_count--)
522 sysfs_remove_file(&fc->dev.kobj,
523 &attrs[attr_count].attr);
524 return rc;
525}
526
527int rmi_f19_attention(struct rmi_function_container *fc, u8 *irq_bits)
528{
529 struct rmi_device *rmi_dev = fc->rmi_dev;
530 struct f19_data *f19 = fc->data;
531 u8 data_base_addr = fc->fd.data_base_addr;
532 int error;
533 int button;
534
535 /* Read the button data. */
536
537 error = rmi_read_block(rmi_dev, data_base_addr, f19->button_data_buffer,
538 f19->button_data_buffer_size);
539 if (error < 0) {
540 dev_err(&fc->dev, "%s: Failed to read button data registers.\n",
541 __func__);
542 return error;
543 }
544
545 /* Generate events for buttons that change state. */
546 for (button = 0; button < f19->button_count;
547 button++) {
548 int button_reg;
549 int button_shift;
550 bool button_status;
551
552 /* determine which data byte the button status is in */
553 button_reg = button / 7;
554 /* bit shift to get button's status */
555 button_shift = button % 8;
556 button_status =
557 ((f19->button_data_buffer[button_reg] >> button_shift)
558 & 0x01) != 0;
559
560 /* if the button state changed from the last time report it
561 * and store the new state */
562 if (button_status != f19->button_down[button]) {
563 dev_dbg(&fc->dev, "%s: Button %d (code %d) -> %d.\n",
564 __func__, button, f19->button_map[button],
565 button_status);
566 /* Generate an event here. */
567 input_report_key(f19->input, f19->button_map[button],
568 button_status);
569 f19->button_down[button] = button_status;
570 }
571 }
572
573 input_sync(f19->input); /* sync after groups of events */
574 return 0;
575}
576
577static void rmi_f19_remove(struct rmi_function_container *fc)
578{
579 struct f19_data *data = fc->data;
580 if (data) {
581 kfree(data->button_down);
582 kfree(data->button_data_buffer);
583 kfree(data->button_map);
584 input_unregister_device(data->input);
585 if (data->button_control) {
586 kfree(data->button_control->general_control);
587 kfree(data->button_control->button_int_enable);
588 kfree(data->button_control->
589 single_button_participation);
590 kfree(data->button_control->sensor_map);
591 kfree(data->button_control->
592 all_button_sensitivity_adj);
593 kfree(data->button_control->
594 all_button_hysteresis_threshold);
595 }
596 kfree(data->button_control);
597 }
598 kfree(fc->data);
599}
600
601static struct rmi_function_handler function_handler = {
602 .func = 0x19,
603 .init = rmi_f19_init,
604 .attention = rmi_f19_attention,
605 .remove = rmi_f19_remove
606};
607
608static int __init rmi_f19_module_init(void)
609{
610 int error;
611
612 error = rmi_register_function_driver(&function_handler);
613 if (error < 0) {
614 pr_err("%s: register failed!\n", __func__);
615 return error;
616 }
617
618 return 0;
619}
620
621static void rmi_f19_module_exit(void)
622{
623 rmi_unregister_function_driver(&function_handler);
624}
625
626static ssize_t rmi_f19_filter_mode_show(struct device *dev,
627 struct device_attribute *attr,
628 char *buf)
629{
630 struct rmi_function_container *fc;
631 struct f19_data *data;
632
633 fc = to_rmi_function_container(dev);
634 data = fc->data;
635
636 return snprintf(buf, PAGE_SIZE, "%u\n",
637 data->button_control->general_control->filter_mode);
638
639}
640
641static ssize_t rmi_f19_filter_mode_store(struct device *dev,
642 struct device_attribute *attr,
643 const char *buf, size_t count)
644{
645 struct rmi_function_container *fc;
646 struct f19_data *data;
647 unsigned int new_value;
648 int result;
649
650 fc = to_rmi_function_container(dev);
651 data = fc->data;
652 if (sscanf(buf, "%u", &new_value) != 1) {
653 dev_err(dev,
654 "%s: Error - filter_mode_store has an "
655 "invalid len.\n",
656 __func__);
657 return -EINVAL;
658 }
659
660 if (new_value < 0 || new_value > 4) {
661 dev_err(dev, "%s: Error - filter_mode_store has an "
662 "invalid value %d.\n",
663 __func__, new_value);
664 return -EINVAL;
665 }
666 data->button_control->general_control->filter_mode = new_value;
667 result = rmi_write_block(fc->rmi_dev, fc->fd.control_base_addr,
668 (u8 *)data->button_control->general_control,
669 sizeof(struct f19_0d_control_0));
670 if (result < 0) {
671 dev_err(dev, "%s : Could not write filter_mode_store to 0x%x\n",
672 __func__, fc->fd.control_base_addr);
673 return result;
674 }
675
676 return count;
677}
678
679static ssize_t rmi_f19_button_usage_show(struct device *dev,
680 struct device_attribute *attr,
681 char *buf)
682{
683 struct rmi_function_container *fc;
684 struct f19_data *data;
685
686 fc = to_rmi_function_container(dev);
687 data = fc->data;
688
689 return snprintf(buf, PAGE_SIZE, "%u\n",
690 data->button_control->general_control->button_usage);
691
692}
693
694static ssize_t rmi_f19_button_usage_store(struct device *dev,
695 struct device_attribute *attr,
696 const char *buf, size_t count)
697{
698 struct rmi_function_container *fc;
699 struct f19_data *data;
700 unsigned int new_value;
701 int result;
702
703 fc = to_rmi_function_container(dev);
704 data = fc->data;
705 if (sscanf(buf, "%u", &new_value) != 1) {
706 dev_err(dev,
707 "%s: Error - button_usage_store has an "
708 "invalid len.\n",
709 __func__);
710 return -EINVAL;
711 }
712
713 if (new_value < 0 || new_value > 4) {
714 dev_err(dev, "%s: Error - button_usage_store has an "
715 "invalid value %d.\n",
716 __func__, new_value);
717 return -EINVAL;
718 }
719 data->button_control->general_control->button_usage = new_value;
720 result = rmi_write_block(fc->rmi_dev, fc->fd.control_base_addr,
721 (u8 *)data->button_control->general_control,
722 sizeof(struct f19_0d_control_0));
723 if (result < 0) {
724 dev_err(dev, "%s : Could not write button_usage_store to 0x%x\n",
725 __func__, fc->fd.control_base_addr);
726 return result;
727 }
728
729 return count;
730
731}
732
733static ssize_t rmi_f19_interrupt_enable_button_show(struct device *dev,
734 struct device_attribute *attr,
735 char *buf)
736{
737 struct rmi_function_container *fc;
738 struct f19_data *data;
739 int i, len, total_len = 0;
740 char *current_buf = buf;
741
742 fc = to_rmi_function_container(dev);
743 data = fc->data;
744 /* loop through each button map value and copy its
745 * string representation into buf */
746 for (i = 0; i < data->button_count; i++) {
747 int button_reg;
748 int button_shift;
749 int interrupt_button;
750
751 button_reg = i / 7;
752 button_shift = i % 8;
753 interrupt_button =
754 ((data->button_control->
755 button_int_enable[button_reg].int_enabled_button >>
756 button_shift) & 0x01);
757
758 /* get next button mapping value and write it to buf */
759 len = snprintf(current_buf, PAGE_SIZE - total_len,
760 "%u ", interrupt_button);
761 /* bump up ptr to next location in buf if the
762 * snprintf was valid. Otherwise issue an error
763 * and return. */
764 if (len > 0) {
765 current_buf += len;
766 total_len += len;
767 } else {
768 dev_err(dev, "%s: Failed to build interrupt button"
769 " buffer, code = %d.\n", __func__, len);
770 return snprintf(buf, PAGE_SIZE, "unknown\n");
771 }
772 }
773 len = snprintf(current_buf, PAGE_SIZE - total_len, "\n");
774 if (len > 0)
775 total_len += len;
776 else
777 dev_warn(dev, "%s: Failed to append carriage return.\n",
778 __func__);
779 return total_len;
780
781}
782
783static ssize_t rmi_f19_interrupt_enable_button_store(struct device *dev,
784 struct device_attribute *attr,
785 const char *buf, size_t count)
786{
787 struct rmi_function_container *fc;
788 struct f19_data *data;
789 int i;
790 int button_count = 0;
791 int retval = count;
792 int button_reg = 0;
793 int ctrl_bass_addr;
794
795 fc = to_rmi_function_container(dev);
796 data = fc->data;
797 for (i = 0; i < data->button_count && *buf != 0;
798 i++) {
799 int button_shift;
800 int button;
801
802 button_reg = i / 7;
803 button_shift = i % 8;
804 /* get next button mapping value and store and bump up to
805 * point to next item in buf */
806 sscanf(buf, "%u", &button);
807
808 if (button != 0 && button != 1) {
809 dev_err(dev,
810 "%s: Error - interrupt enable button for"
811 " button %d is not a valid value 0x%x.\n",
812 __func__, i, button);
813 return -EINVAL;
814 }
815
816 if (button_shift == 0)
817 data->button_control->button_int_enable[button_reg].
818 int_enabled_button = 0;
819 data->button_control->button_int_enable[button_reg].
820 int_enabled_button |= (button << button_shift);
821 button_count++;
822 /* bump up buf to point to next item to read */
823 while (*buf != 0) {
824 buf++;
825 if (*(buf - 1) == ' ')
826 break;
827 }
828 }
829
830 /* Make sure the button count matches */
831 if (button_count != data->button_count) {
832 dev_err(dev,
833 "%s: Error - interrupt enable button count of %d"
834 " doesn't match device button count of %d.\n",
835 __func__, button_count, data->button_count);
836 return -EINVAL;
837 }
838
839 /* write back to the control register */
840 ctrl_bass_addr = fc->fd.control_base_addr +
841 sizeof(struct f19_0d_control_0);
842 retval = rmi_write_block(fc->rmi_dev, ctrl_bass_addr,
843 (u8 *)data->button_control->button_int_enable,
844 sizeof(struct f19_0d_control_1)*(button_reg + 1));
845 if (retval < 0) {
846 dev_err(dev, "%s : Could not write interrupt_enable_store"
847 " to 0x%x\n", __func__, ctrl_bass_addr);
848 return retval;
849 }
850
851 return count;
852}
853
854static ssize_t rmi_f19_single_button_show(struct device *dev,
855 struct device_attribute *attr,
856 char *buf)
857{
858 struct rmi_function_container *fc;
859 struct f19_data *data;
860 int i, len, total_len = 0;
861 char *current_buf = buf;
862
863 fc = to_rmi_function_container(dev);
864 data = fc->data;
865 /* loop through each button map value and copy its
866 * string representation into buf */
867 for (i = 0; i < data->button_count; i++) {
868 int button_reg;
869 int button_shift;
870 int single_button;
871
872 button_reg = i / 7;
873 button_shift = i % 8;
874 single_button = ((data->button_control->
875 single_button_participation[button_reg].single_button
876 >> button_shift) & 0x01);
877
878 /* get next button mapping value and write it to buf */
879 len = snprintf(current_buf, PAGE_SIZE - total_len,
880 "%u ", single_button);
881 /* bump up ptr to next location in buf if the
882 * snprintf was valid. Otherwise issue an error
883 * and return. */
884 if (len > 0) {
885 current_buf += len;
886 total_len += len;
887 } else {
888 dev_err(dev, "%s: Failed to build signle button buffer"
889 ", code = %d.\n", __func__, len);
890 return snprintf(buf, PAGE_SIZE, "unknown\n");
891 }
892 }
893 len = snprintf(current_buf, PAGE_SIZE - total_len, "\n");
894 if (len > 0)
895 total_len += len;
896 else
897 dev_warn(dev, "%s: Failed to append carriage return.\n",
898 __func__);
899
900 return total_len;
901
902}
903
904static ssize_t rmi_f19_single_button_store(struct device *dev,
905 struct device_attribute *attr,
906 const char *buf, size_t count)
907{
908 struct rmi_function_container *fc;
909 struct f19_data *data;
910 int i;
911 int button_count = 0;
912 int retval = count;
913 int ctrl_bass_addr;
914 int button_reg = 0;
915
916 fc = to_rmi_function_container(dev);
917 data = fc->data;
918 for (i = 0; i < data->button_count && *buf != 0;
919 i++) {
920 int button_shift;
921 int button;
922
923 button_reg = i / 7;
924 button_shift = i % 8;
925 /* get next button mapping value and store and bump up to
926 * point to next item in buf */
927 sscanf(buf, "%u", &button);
928
929 if (button != 0 && button != 1) {
930 dev_err(dev,
931 "%s: Error - single button for button %d"
932 " is not a valid value 0x%x.\n",
933 __func__, i, button);
934 return -EINVAL;
935 }
936 if (button_shift == 0)
937 data->button_control->
938 single_button_participation[button_reg].
939 single_button = 0;
940 data->button_control->single_button_participation[button_reg].
941 single_button |= (button << button_shift);
942 button_count++;
943 /* bump up buf to point to next item to read */
944 while (*buf != 0) {
945 buf++;
946 if (*(buf - 1) == ' ')
947 break;
948 }
949 }
950
951 /* Make sure the button count matches */
952 if (button_count != data->button_count) {
953 dev_err(dev,
954 "%s: Error - single button count of %d doesn't match"
955 " device button count of %d.\n", __func__, button_count,
956 data->button_count);
957 return -EINVAL;
958 }
959 /* write back to the control register */
960 ctrl_bass_addr = fc->fd.control_base_addr +
961 sizeof(struct f19_0d_control_0) +
962 sizeof(struct f19_0d_control_2)*(button_reg + 1);
963 retval = rmi_write_block(fc->rmi_dev, ctrl_bass_addr,
964 (u8 *)data->button_control->single_button_participation,
965 sizeof(struct f19_0d_control_2)*(button_reg + 1));
966 if (retval < 0) {
967 dev_err(dev, "%s : Could not write interrupt_enable_store to"
968 " 0x%x\n", __func__, ctrl_bass_addr);
969 return -EINVAL;
970 }
971 return count;
972}
973
974static ssize_t rmi_f19_sensor_map_show(struct device *dev,
975 struct device_attribute *attr,
976 char *buf)
977{
978 struct rmi_function_container *fc;
979 struct f19_data *data;
980 int i, len, total_len = 0;
981 char *current_buf = buf;
982
983 fc = to_rmi_function_container(dev);
984 data = fc->data;
985
986 for (i = 0; i < data->button_count; i++) {
987 len = snprintf(current_buf, PAGE_SIZE - total_len,
988 "%u ", data->button_control->sensor_map[i].
989 sensor_map_button);
990 /* bump up ptr to next location in buf if the
991 * snprintf was valid. Otherwise issue an error
992 * and return. */
993 if (len > 0) {
994 current_buf += len;
995 total_len += len;
996 } else {
997 dev_err(dev, "%s: Failed to build sensor map buffer, "
998 "code = %d.\n", __func__, len);
999 return snprintf(buf, PAGE_SIZE, "unknown\n");
1000 }
1001 }
1002 len = snprintf(current_buf, PAGE_SIZE - total_len, "\n");
1003 if (len > 0)
1004 total_len += len;
1005 else
1006 dev_warn(dev, "%s: Failed to append carriage return.\n",
1007 __func__);
1008 return total_len;
1009
1010
1011}
1012
1013static ssize_t rmi_f19_sensor_map_store(struct device *dev,
1014 struct device_attribute *attr,
1015 const char *buf, size_t count)
1016{
1017 struct rmi_function_container *fc;
1018 struct f19_data *data;
1019 int sensor_map;
1020 int i;
1021 int retval = count;
1022 int button_count = 0;
1023 int ctrl_bass_addr;
1024 int button_reg;
1025 fc = to_rmi_function_container(dev);
1026 data = fc->data;
1027
1028 if (data->button_query.configurable == 0) {
1029 dev_err(dev,
1030 "%s: Error - sensor map is not configuralbe at"
1031 " run-time", __func__);
1032 return -EINVAL;
1033 }
1034
1035 for (i = 0; i < data->button_count && *buf != 0; i++) {
1036 /* get next button mapping value and store and bump up to
1037 * point to next item in buf */
1038 sscanf(buf, "%u", &sensor_map);
1039
1040 /* Make sure the key is a valid key */
1041 if (sensor_map < 0 || sensor_map > 127) {
1042 dev_err(dev,
1043 "%s: Error - sensor map for button %d is"
1044 " not a valid value 0x%x.\n",
1045 __func__, i, sensor_map);
1046 return -EINVAL;
1047 }
1048
1049 data->button_control->sensor_map[i].sensor_map_button =
1050 sensor_map;
1051 button_count++;
1052
1053 /* bump up buf to point to next item to read */
1054 while (*buf != 0) {
1055 buf++;
1056 if (*(buf - 1) == ' ')
1057 break;
1058 }
1059 }
1060
1061 if (button_count != data->button_count) {
1062 dev_err(dev,
1063 "%s: Error - button map count of %d doesn't match device "
1064 "button count of %d.\n", __func__, button_count,
1065 data->button_count);
1066 return -EINVAL;
1067 }
1068
1069 /* write back to the control register */
1070 button_reg = (button_count / 7) + 1;
1071 ctrl_bass_addr = fc->fd.control_base_addr +
1072 sizeof(struct f19_0d_control_0) +
1073 sizeof(struct f19_0d_control_1)*button_reg +
1074 sizeof(struct f19_0d_control_2)*button_reg;
1075 retval = rmi_write_block(fc->rmi_dev, ctrl_bass_addr,
1076 (u8 *)data->button_control->sensor_map,
1077 sizeof(struct f19_0d_control_3_4)*button_count);
1078 if (retval < 0) {
1079 dev_err(dev, "%s : Could not sensor_map_store to 0x%x\n",
1080 __func__, ctrl_bass_addr);
1081 return -EINVAL;
1082 }
1083 return count;
1084}
1085
1086static ssize_t rmi_f19_sensitivity_adjust_show(struct device *dev,
1087 struct device_attribute *attr,
1088 char *buf)
1089{
1090 struct rmi_function_container *fc;
1091 struct f19_data *data;
1092
1093 fc = to_rmi_function_container(dev);
1094 data = fc->data;
1095
1096 return snprintf(buf, PAGE_SIZE, "%u\n", data->button_control->
1097 all_button_sensitivity_adj->sensitivity_adj);
1098
1099}
1100
1101static ssize_t rmi_f19_sensitivity_adjust_store(struct device *dev,
1102 struct device_attribute *attr,
1103 const char *buf, size_t count)
1104{
1105 struct rmi_function_container *fc;
1106 struct f19_data *data;
1107 unsigned int new_value;
1108 int len;
1109 int ctrl_bass_addr;
1110 int button_reg;
1111
1112 fc = to_rmi_function_container(dev);
1113
1114 data = fc->data;
1115
1116 if (data->button_query.configurable == 0) {
1117 dev_err(dev,
1118 "%s: Error - sensitivity_adjust is not"
1119 " configuralbe at run-time", __func__);
1120 return -EINVAL;
1121 }
1122
1123 len = sscanf(buf, "%u", &new_value);
1124 if (new_value < 0 || new_value > 31)
1125 return -EINVAL;
1126
1127 data->button_control->all_button_sensitivity_adj->sensitivity_adj =
1128 new_value;
1129 /* write back to the control register */
1130 button_reg = (data->button_count / 7) + 1;
1131 ctrl_bass_addr = fc->fd.control_base_addr +
1132 sizeof(struct f19_0d_control_0) +
1133 sizeof(struct f19_0d_control_1)*button_reg +
1134 sizeof(struct f19_0d_control_2)*button_reg +
1135 sizeof(struct f19_0d_control_3_4)*data->button_count;
1136 len = rmi_write_block(fc->rmi_dev, ctrl_bass_addr,
1137 (u8 *)data->button_control->all_button_sensitivity_adj,
1138 sizeof(struct f19_0d_control_5));
1139 if (len < 0) {
1140 dev_err(dev, "%s : Could not sensitivity_adjust_store to"
1141 " 0x%x\n", __func__, ctrl_bass_addr);
1142 return len;
1143 }
1144
1145 return len;
1146}
1147
1148static ssize_t rmi_f19_hysteresis_threshold_show(struct device *dev,
1149 struct device_attribute *attr,
1150 char *buf)
1151{
1152 struct rmi_function_container *fc;
1153 struct f19_data *data;
1154
1155 fc = to_rmi_function_container(dev);
1156 data = fc->data;
1157
1158 return snprintf(buf, PAGE_SIZE, "%u\n", data->button_control->
1159 all_button_hysteresis_threshold->hysteresis_threshold);
1160
1161}
1162static ssize_t rmi_f19_hysteresis_threshold_store(struct device *dev,
1163 struct device_attribute *attr,
1164 const char *buf, size_t count)
1165{
1166 struct rmi_function_container *fc;
1167 struct f19_data *data;
1168 unsigned int new_value;
1169 int len;
1170 int ctrl_bass_addr;
1171 int button_reg;
1172
1173 fc = to_rmi_function_container(dev);
1174 data = fc->data;
1175 len = sscanf(buf, "%u", &new_value);
1176 if (new_value < 0 || new_value > 15) {
1177 dev_err(dev, "%s: Error - hysteresis_threshold_store has an "
1178 "invalid value %d.\n",
1179 __func__, new_value);
1180 return -EINVAL;
1181 }
1182 data->button_control->all_button_hysteresis_threshold->
1183 hysteresis_threshold = new_value;
1184 /* write back to the control register */
1185 button_reg = (data->button_count / 7) + 1;
1186 ctrl_bass_addr = fc->fd.control_base_addr +
1187 sizeof(struct f19_0d_control_0) +
1188 sizeof(struct f19_0d_control_1)*button_reg +
1189 sizeof(struct f19_0d_control_2)*button_reg +
1190 sizeof(struct f19_0d_control_3_4)*data->button_count+
1191 sizeof(struct f19_0d_control_5);
1192 len = rmi_write_block(fc->rmi_dev, ctrl_bass_addr,
1193 (u8 *)data->button_control->all_button_sensitivity_adj,
1194 sizeof(struct f19_0d_control_6));
1195 if (len < 0) {
1196 dev_err(dev, "%s : Could not write all_button hysteresis "
1197 "threshold to 0x%x\n", __func__, ctrl_bass_addr);
1198 return -EINVAL;
1199 }
1200
1201 return count;
1202}
1203
1204static ssize_t rmi_f19_has_hysteresis_threshold_show(struct device *dev,
1205 struct device_attribute *attr, char *buf)
1206{
1207 struct rmi_function_container *fc;
1208 struct f19_data *data;
1209
1210 fc = to_rmi_function_container(dev);
1211 data = fc->data;
1212
1213 return snprintf(buf, PAGE_SIZE, "%u\n",
1214 data->button_query.has_hysteresis_threshold);
1215}
1216
1217static ssize_t rmi_f19_has_sensitivity_adjust_show(struct device *dev,
1218 struct device_attribute *attr, char *buf)
1219{
1220 struct rmi_function_container *fc;
1221 struct f19_data *data;
1222
1223 fc = to_rmi_function_container(dev);
1224 data = fc->data;
1225
1226 return snprintf(buf, PAGE_SIZE, "%u\n",
1227 data->button_query.has_sensitivity_adjust);
1228}
1229
1230static ssize_t rmi_f19_configurable_show(struct device *dev,
1231 struct device_attribute *attr, char *buf)
1232{
1233 struct rmi_function_container *fc;
1234 struct f19_data *data;
1235
1236 fc = to_rmi_function_container(dev);
1237 data = fc->data;
1238
1239 return snprintf(buf, PAGE_SIZE, "%u\n",
1240 data->button_query.configurable);
1241}
1242
1243static ssize_t rmi_f19_rezero_show(struct device *dev,
1244 struct device_attribute *attr,
1245 char *buf)
1246{
1247 struct rmi_function_container *fc;
1248 struct f19_data *data;
1249
1250 fc = to_rmi_function_container(dev);
1251 data = fc->data;
1252
1253 return snprintf(buf, PAGE_SIZE, "%u\n",
1254 data->button_rezero);
1255
1256}
1257
1258static ssize_t rmi_f19_rezero_store(struct device *dev,
1259 struct device_attribute *attr,
1260 const char *buf,
1261 size_t count)
1262{
1263 struct rmi_function_container *fc;
1264 struct f19_data *data;
1265 unsigned int new_value;
1266 int len;
1267
1268 fc = to_rmi_function_container(dev);
1269 data = fc->data;
1270 len = sscanf(buf, "%u", &new_value);
1271 if (new_value != 0 && new_value != 1) {
1272 dev_err(dev,
1273 "%s: Error - rezero is not a "
1274 "valid value 0x%x.\n",
1275 __func__, new_value);
1276 return -EINVAL;
1277 }
1278 data->button_rezero = new_value & 1;
1279 len = rmi_write(fc->rmi_dev, fc->fd.command_base_addr,
1280 data->button_rezero);
1281
1282 if (len < 0) {
1283 dev_err(dev, "%s : Could not write rezero to 0x%x\n",
1284 __func__, fc->fd.command_base_addr);
1285 return -EINVAL;
1286 }
1287 return count;
1288}
1289
1290static ssize_t rmi_f19_button_count_show(struct device *dev,
1291 struct device_attribute *attr,
1292 char *buf)
1293{
1294 struct rmi_function_container *fc;
1295 struct f19_data *data;
1296
1297 fc = to_rmi_function_container(dev);
1298 data = fc->data;
1299 return snprintf(buf, PAGE_SIZE, "%u\n",
1300 data->button_count);
1301}
1302
1303static ssize_t rmi_f19_button_map_show(struct device *dev,
1304 struct device_attribute *attr,
1305 char *buf)
1306{
1307
1308 struct rmi_function_container *fc;
1309 struct f19_data *data;
1310 int i, len, total_len = 0;
1311 char *current_buf = buf;
1312
1313 fc = to_rmi_function_container(dev);
1314 data = fc->data;
1315 /* loop through each button map value and copy its
1316 * string representation into buf */
1317 for (i = 0; i < data->button_count; i++) {
1318 /* get next button mapping value and write it to buf */
1319 len = snprintf(current_buf, PAGE_SIZE - total_len,
1320 "%u ", data->button_map[i]);
1321 /* bump up ptr to next location in buf if the
1322 * snprintf was valid. Otherwise issue an error
1323 * and return. */
1324 if (len > 0) {
1325 current_buf += len;
1326 total_len += len;
1327 } else {
1328 dev_err(dev, "%s: Failed to build button map buffer, "
1329 "code = %d.\n", __func__, len);
1330 return snprintf(buf, PAGE_SIZE, "unknown\n");
1331 }
1332 }
1333 len = snprintf(current_buf, PAGE_SIZE - total_len, "\n");
1334 if (len > 0)
1335 total_len += len;
1336 else
1337 dev_warn(dev, "%s: Failed to append carriage return.\n",
1338 __func__);
1339 return total_len;
1340}
1341
1342static ssize_t rmi_f19_button_map_store(struct device *dev,
1343 struct device_attribute *attr,
1344 const char *buf,
1345 size_t count)
1346{
1347 struct rmi_function_container *fc;
1348 struct f19_data *data;
1349 unsigned int button;
1350 int i;
1351 int retval = count;
1352 int button_count = 0;
1353 unsigned char temp_button_map[KEY_MAX];
1354
1355 fc = to_rmi_function_container(dev);
1356 data = fc->data;
1357
1358 /* Do validation on the button map data passed in. Store button
1359 * mappings into a temp buffer and then verify button count and
1360 * data prior to clearing out old button mappings and storing the
1361 * new ones. */
1362 for (i = 0; i < data->button_count && *buf != 0;
1363 i++) {
1364 /* get next button mapping value and store and bump up to
1365 * point to next item in buf */
1366 sscanf(buf, "%u", &button);
1367
1368 /* Make sure the key is a valid key */
1369 if (button > KEY_MAX) {
1370 dev_err(dev,
1371 "%s: Error - button map for button %d is not a"
1372 " valid value 0x%x.\n", __func__, i, button);
1373 retval = -EINVAL;
1374 goto err_ret;
1375 }
1376
1377 temp_button_map[i] = button;
1378 button_count++;
1379
1380 /* bump up buf to point to next item to read */
1381 while (*buf != 0) {
1382 buf++;
1383 if (*(buf - 1) == ' ')
1384 break;
1385 }
1386 }
1387
1388 /* Make sure the button count matches */
1389 if (button_count != data->button_count) {
1390 dev_err(dev,
1391 "%s: Error - button map count of %d doesn't match device "
1392 "button count of %d.\n", __func__, button_count,
1393 data->button_count);
1394 retval = -EINVAL;
1395 goto err_ret;
1396 }
1397
1398 /* Clear the key bits for the old button map. */
1399 for (i = 0; i < button_count; i++)
1400 clear_bit(data->button_map[i], data->input->keybit);
1401
1402 /* Switch to the new map. */
1403 memcpy(data->button_map, temp_button_map,
1404 data->button_count);
1405
1406 /* Loop through the key map and set the key bit for the new mapping. */
1407 for (i = 0; i < button_count; i++)
1408 set_bit(data->button_map[i], data->input->keybit);
1409
1410err_ret:
1411 return retval;
1412}
1413
1414module_init(rmi_f19_module_init);
1415module_exit(rmi_f19_module_exit);
1416
1417MODULE_AUTHOR("Vivian Ly <vly@synaptics.com>");
1418MODULE_DESCRIPTION("RMI F19 module");
1419MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-21 02:43:44 -0400