diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-17 16:15:55 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-17 16:15:55 -0500 |
commit | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (patch) | |
tree | a8f4d49d63b1ecc92f2fddceba0655b2472c5bd9 /drivers/extcon/extcon-arizona.c | |
parent | 406089d01562f1e2bf9f089fd7637009ebaad589 (diff) |
Patched in Tegra support.
Diffstat (limited to 'drivers/extcon/extcon-arizona.c')
-rw-r--r-- | drivers/extcon/extcon-arizona.c | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c deleted file mode 100644 index 414aed50b1b..00000000000 --- a/drivers/extcon/extcon-arizona.c +++ /dev/null | |||
@@ -1,556 +0,0 @@ | |||
1 | /* | ||
2 | * extcon-arizona.c - Extcon driver Wolfson Arizona devices | ||
3 | * | ||
4 | * Copyright (C) 2012 Wolfson Microelectronics plc | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | */ | ||
16 | |||
17 | #include <linux/kernel.h> | ||
18 | #include <linux/module.h> | ||
19 | #include <linux/i2c.h> | ||
20 | #include <linux/slab.h> | ||
21 | #include <linux/interrupt.h> | ||
22 | #include <linux/err.h> | ||
23 | #include <linux/gpio.h> | ||
24 | #include <linux/input.h> | ||
25 | #include <linux/platform_device.h> | ||
26 | #include <linux/pm_runtime.h> | ||
27 | #include <linux/regulator/consumer.h> | ||
28 | #include <linux/extcon.h> | ||
29 | |||
30 | #include <linux/mfd/arizona/core.h> | ||
31 | #include <linux/mfd/arizona/pdata.h> | ||
32 | #include <linux/mfd/arizona/registers.h> | ||
33 | |||
34 | #define ARIZONA_NUM_BUTTONS 6 | ||
35 | |||
36 | struct arizona_extcon_info { | ||
37 | struct device *dev; | ||
38 | struct arizona *arizona; | ||
39 | struct mutex lock; | ||
40 | struct regulator *micvdd; | ||
41 | struct input_dev *input; | ||
42 | |||
43 | int micd_mode; | ||
44 | const struct arizona_micd_config *micd_modes; | ||
45 | int micd_num_modes; | ||
46 | |||
47 | bool micd_reva; | ||
48 | |||
49 | bool mic; | ||
50 | bool detecting; | ||
51 | int jack_flips; | ||
52 | |||
53 | struct extcon_dev edev; | ||
54 | }; | ||
55 | |||
56 | static const struct arizona_micd_config micd_default_modes[] = { | ||
57 | { ARIZONA_ACCDET_SRC, 1 << ARIZONA_MICD_BIAS_SRC_SHIFT, 0 }, | ||
58 | { 0, 2 << ARIZONA_MICD_BIAS_SRC_SHIFT, 1 }, | ||
59 | }; | ||
60 | |||
61 | static struct { | ||
62 | u16 status; | ||
63 | int report; | ||
64 | } arizona_lvl_to_key[ARIZONA_NUM_BUTTONS] = { | ||
65 | { 0x1, BTN_0 }, | ||
66 | { 0x2, BTN_1 }, | ||
67 | { 0x4, BTN_2 }, | ||
68 | { 0x8, BTN_3 }, | ||
69 | { 0x10, BTN_4 }, | ||
70 | { 0x20, BTN_5 }, | ||
71 | }; | ||
72 | |||
73 | #define ARIZONA_CABLE_MECHANICAL 0 | ||
74 | #define ARIZONA_CABLE_MICROPHONE 1 | ||
75 | #define ARIZONA_CABLE_HEADPHONE 2 | ||
76 | |||
77 | static const char *arizona_cable[] = { | ||
78 | "Mechanical", | ||
79 | "Microphone", | ||
80 | "Headphone", | ||
81 | NULL, | ||
82 | }; | ||
83 | |||
84 | static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) | ||
85 | { | ||
86 | struct arizona *arizona = info->arizona; | ||
87 | |||
88 | gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, | ||
89 | info->micd_modes[mode].gpio); | ||
90 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | ||
91 | ARIZONA_MICD_BIAS_SRC_MASK, | ||
92 | info->micd_modes[mode].bias); | ||
93 | regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, | ||
94 | ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); | ||
95 | |||
96 | info->micd_mode = mode; | ||
97 | |||
98 | dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); | ||
99 | } | ||
100 | |||
101 | static void arizona_start_mic(struct arizona_extcon_info *info) | ||
102 | { | ||
103 | struct arizona *arizona = info->arizona; | ||
104 | bool change; | ||
105 | int ret; | ||
106 | |||
107 | info->detecting = true; | ||
108 | info->mic = false; | ||
109 | info->jack_flips = 0; | ||
110 | |||
111 | /* Microphone detection can't use idle mode */ | ||
112 | pm_runtime_get(info->dev); | ||
113 | |||
114 | ret = regulator_enable(info->micvdd); | ||
115 | if (ret != 0) { | ||
116 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", | ||
117 | ret); | ||
118 | } | ||
119 | |||
120 | if (info->micd_reva) { | ||
121 | regmap_write(arizona->regmap, 0x80, 0x3); | ||
122 | regmap_write(arizona->regmap, 0x294, 0); | ||
123 | regmap_write(arizona->regmap, 0x80, 0x0); | ||
124 | } | ||
125 | |||
126 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | ||
127 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, | ||
128 | &change); | ||
129 | if (!change) { | ||
130 | regulator_disable(info->micvdd); | ||
131 | pm_runtime_put_autosuspend(info->dev); | ||
132 | } | ||
133 | } | ||
134 | |||
135 | static void arizona_stop_mic(struct arizona_extcon_info *info) | ||
136 | { | ||
137 | struct arizona *arizona = info->arizona; | ||
138 | bool change; | ||
139 | |||
140 | regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, | ||
141 | ARIZONA_MICD_ENA, 0, | ||
142 | &change); | ||
143 | |||
144 | if (info->micd_reva) { | ||
145 | regmap_write(arizona->regmap, 0x80, 0x3); | ||
146 | regmap_write(arizona->regmap, 0x294, 2); | ||
147 | regmap_write(arizona->regmap, 0x80, 0x0); | ||
148 | } | ||
149 | |||
150 | if (change) { | ||
151 | regulator_disable(info->micvdd); | ||
152 | pm_runtime_mark_last_busy(info->dev); | ||
153 | pm_runtime_put_autosuspend(info->dev); | ||
154 | } | ||
155 | } | ||
156 | |||
157 | static irqreturn_t arizona_micdet(int irq, void *data) | ||
158 | { | ||
159 | struct arizona_extcon_info *info = data; | ||
160 | struct arizona *arizona = info->arizona; | ||
161 | unsigned int val, lvl; | ||
162 | int ret, i; | ||
163 | |||
164 | mutex_lock(&info->lock); | ||
165 | |||
166 | ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); | ||
167 | if (ret != 0) { | ||
168 | dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret); | ||
169 | mutex_unlock(&info->lock); | ||
170 | return IRQ_NONE; | ||
171 | } | ||
172 | |||
173 | dev_dbg(arizona->dev, "MICDET: %x\n", val); | ||
174 | |||
175 | if (!(val & ARIZONA_MICD_VALID)) { | ||
176 | dev_warn(arizona->dev, "Microphone detection state invalid\n"); | ||
177 | mutex_unlock(&info->lock); | ||
178 | return IRQ_NONE; | ||
179 | } | ||
180 | |||
181 | /* Due to jack detect this should never happen */ | ||
182 | if (!(val & ARIZONA_MICD_STS)) { | ||
183 | dev_warn(arizona->dev, "Detected open circuit\n"); | ||
184 | info->detecting = false; | ||
185 | goto handled; | ||
186 | } | ||
187 | |||
188 | /* If we got a high impedence we should have a headset, report it. */ | ||
189 | if (info->detecting && (val & 0x400)) { | ||
190 | ret = extcon_update_state(&info->edev, | ||
191 | 1 << ARIZONA_CABLE_MICROPHONE | | ||
192 | 1 << ARIZONA_CABLE_HEADPHONE, | ||
193 | 1 << ARIZONA_CABLE_MICROPHONE | | ||
194 | 1 << ARIZONA_CABLE_HEADPHONE); | ||
195 | |||
196 | if (ret != 0) | ||
197 | dev_err(arizona->dev, "Headset report failed: %d\n", | ||
198 | ret); | ||
199 | |||
200 | info->mic = true; | ||
201 | info->detecting = false; | ||
202 | goto handled; | ||
203 | } | ||
204 | |||
205 | /* If we detected a lower impedence during initial startup | ||
206 | * then we probably have the wrong polarity, flip it. Don't | ||
207 | * do this for the lowest impedences to speed up detection of | ||
208 | * plain headphones. If both polarities report a low | ||
209 | * impedence then give up and report headphones. | ||
210 | */ | ||
211 | if (info->detecting && (val & 0x3f8)) { | ||
212 | info->jack_flips++; | ||
213 | |||
214 | if (info->jack_flips >= info->micd_num_modes) { | ||
215 | dev_dbg(arizona->dev, "Detected headphone\n"); | ||
216 | info->detecting = false; | ||
217 | arizona_stop_mic(info); | ||
218 | |||
219 | ret = extcon_set_cable_state_(&info->edev, | ||
220 | ARIZONA_CABLE_HEADPHONE, | ||
221 | true); | ||
222 | if (ret != 0) | ||
223 | dev_err(arizona->dev, | ||
224 | "Headphone report failed: %d\n", | ||
225 | ret); | ||
226 | } else { | ||
227 | info->micd_mode++; | ||
228 | if (info->micd_mode == info->micd_num_modes) | ||
229 | info->micd_mode = 0; | ||
230 | arizona_extcon_set_mode(info, info->micd_mode); | ||
231 | |||
232 | info->jack_flips++; | ||
233 | } | ||
234 | |||
235 | goto handled; | ||
236 | } | ||
237 | |||
238 | /* | ||
239 | * If we're still detecting and we detect a short then we've | ||
240 | * got a headphone. Otherwise it's a button press. | ||
241 | */ | ||
242 | if (val & 0x3fc) { | ||
243 | if (info->mic) { | ||
244 | dev_dbg(arizona->dev, "Mic button detected\n"); | ||
245 | |||
246 | lvl = val & ARIZONA_MICD_LVL_MASK; | ||
247 | lvl >>= ARIZONA_MICD_LVL_SHIFT; | ||
248 | |||
249 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) | ||
250 | if (lvl & arizona_lvl_to_key[i].status) | ||
251 | input_report_key(info->input, | ||
252 | arizona_lvl_to_key[i].report, | ||
253 | 1); | ||
254 | input_sync(info->input); | ||
255 | |||
256 | } else if (info->detecting) { | ||
257 | dev_dbg(arizona->dev, "Headphone detected\n"); | ||
258 | info->detecting = false; | ||
259 | arizona_stop_mic(info); | ||
260 | |||
261 | ret = extcon_set_cable_state_(&info->edev, | ||
262 | ARIZONA_CABLE_HEADPHONE, | ||
263 | true); | ||
264 | if (ret != 0) | ||
265 | dev_err(arizona->dev, | ||
266 | "Headphone report failed: %d\n", | ||
267 | ret); | ||
268 | } else { | ||
269 | dev_warn(arizona->dev, "Button with no mic: %x\n", | ||
270 | val); | ||
271 | } | ||
272 | } else { | ||
273 | dev_dbg(arizona->dev, "Mic button released\n"); | ||
274 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) | ||
275 | input_report_key(info->input, | ||
276 | arizona_lvl_to_key[i].report, 0); | ||
277 | input_sync(info->input); | ||
278 | } | ||
279 | |||
280 | handled: | ||
281 | pm_runtime_mark_last_busy(info->dev); | ||
282 | mutex_unlock(&info->lock); | ||
283 | |||
284 | return IRQ_HANDLED; | ||
285 | } | ||
286 | |||
287 | static irqreturn_t arizona_jackdet(int irq, void *data) | ||
288 | { | ||
289 | struct arizona_extcon_info *info = data; | ||
290 | struct arizona *arizona = info->arizona; | ||
291 | unsigned int val; | ||
292 | int ret, i; | ||
293 | |||
294 | pm_runtime_get_sync(info->dev); | ||
295 | |||
296 | mutex_lock(&info->lock); | ||
297 | |||
298 | ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); | ||
299 | if (ret != 0) { | ||
300 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n", | ||
301 | ret); | ||
302 | mutex_unlock(&info->lock); | ||
303 | pm_runtime_put_autosuspend(info->dev); | ||
304 | return IRQ_NONE; | ||
305 | } | ||
306 | |||
307 | if (val & ARIZONA_JD1_STS) { | ||
308 | dev_dbg(arizona->dev, "Detected jack\n"); | ||
309 | ret = extcon_set_cable_state_(&info->edev, | ||
310 | ARIZONA_CABLE_MECHANICAL, true); | ||
311 | |||
312 | if (ret != 0) | ||
313 | dev_err(arizona->dev, "Mechanical report failed: %d\n", | ||
314 | ret); | ||
315 | |||
316 | arizona_start_mic(info); | ||
317 | } else { | ||
318 | dev_dbg(arizona->dev, "Detected jack removal\n"); | ||
319 | |||
320 | arizona_stop_mic(info); | ||
321 | |||
322 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) | ||
323 | input_report_key(info->input, | ||
324 | arizona_lvl_to_key[i].report, 0); | ||
325 | input_sync(info->input); | ||
326 | |||
327 | ret = extcon_update_state(&info->edev, 0xffffffff, 0); | ||
328 | if (ret != 0) | ||
329 | dev_err(arizona->dev, "Removal report failed: %d\n", | ||
330 | ret); | ||
331 | } | ||
332 | |||
333 | mutex_unlock(&info->lock); | ||
334 | |||
335 | pm_runtime_mark_last_busy(info->dev); | ||
336 | pm_runtime_put_autosuspend(info->dev); | ||
337 | |||
338 | return IRQ_HANDLED; | ||
339 | } | ||
340 | |||
341 | static int arizona_extcon_probe(struct platform_device *pdev) | ||
342 | { | ||
343 | struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); | ||
344 | struct arizona_pdata *pdata; | ||
345 | struct arizona_extcon_info *info; | ||
346 | int ret, mode, i; | ||
347 | |||
348 | pdata = dev_get_platdata(arizona->dev); | ||
349 | |||
350 | info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); | ||
351 | if (!info) { | ||
352 | dev_err(&pdev->dev, "Failed to allocate memory\n"); | ||
353 | ret = -ENOMEM; | ||
354 | goto err; | ||
355 | } | ||
356 | |||
357 | info->micvdd = devm_regulator_get(arizona->dev, "MICVDD"); | ||
358 | if (IS_ERR(info->micvdd)) { | ||
359 | ret = PTR_ERR(info->micvdd); | ||
360 | dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); | ||
361 | goto err; | ||
362 | } | ||
363 | |||
364 | mutex_init(&info->lock); | ||
365 | info->arizona = arizona; | ||
366 | info->dev = &pdev->dev; | ||
367 | info->detecting = true; | ||
368 | platform_set_drvdata(pdev, info); | ||
369 | |||
370 | switch (arizona->type) { | ||
371 | case WM5102: | ||
372 | switch (arizona->rev) { | ||
373 | case 0: | ||
374 | info->micd_reva = true; | ||
375 | break; | ||
376 | default: | ||
377 | break; | ||
378 | } | ||
379 | break; | ||
380 | default: | ||
381 | break; | ||
382 | } | ||
383 | |||
384 | info->edev.name = "Headset Jack"; | ||
385 | info->edev.supported_cable = arizona_cable; | ||
386 | |||
387 | ret = extcon_dev_register(&info->edev, arizona->dev); | ||
388 | if (ret < 0) { | ||
389 | dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", | ||
390 | ret); | ||
391 | goto err; | ||
392 | } | ||
393 | |||
394 | if (pdata->num_micd_configs) { | ||
395 | info->micd_modes = pdata->micd_configs; | ||
396 | info->micd_num_modes = pdata->num_micd_configs; | ||
397 | } else { | ||
398 | info->micd_modes = micd_default_modes; | ||
399 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); | ||
400 | } | ||
401 | |||
402 | if (arizona->pdata.micd_pol_gpio > 0) { | ||
403 | if (info->micd_modes[0].gpio) | ||
404 | mode = GPIOF_OUT_INIT_HIGH; | ||
405 | else | ||
406 | mode = GPIOF_OUT_INIT_LOW; | ||
407 | |||
408 | ret = devm_gpio_request_one(&pdev->dev, | ||
409 | arizona->pdata.micd_pol_gpio, | ||
410 | mode, | ||
411 | "MICD polarity"); | ||
412 | if (ret != 0) { | ||
413 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", | ||
414 | arizona->pdata.micd_pol_gpio, ret); | ||
415 | goto err_register; | ||
416 | } | ||
417 | } | ||
418 | |||
419 | arizona_extcon_set_mode(info, 0); | ||
420 | |||
421 | info->input = input_allocate_device(); | ||
422 | if (!info->input) { | ||
423 | dev_err(arizona->dev, "Can't allocate input dev\n"); | ||
424 | ret = -ENOMEM; | ||
425 | goto err_register; | ||
426 | } | ||
427 | |||
428 | for (i = 0; i < ARIZONA_NUM_BUTTONS; i++) | ||
429 | input_set_capability(info->input, EV_KEY, | ||
430 | arizona_lvl_to_key[i].report); | ||
431 | info->input->name = "Headset"; | ||
432 | info->input->phys = "arizona/extcon"; | ||
433 | info->input->dev.parent = &pdev->dev; | ||
434 | |||
435 | pm_runtime_enable(&pdev->dev); | ||
436 | pm_runtime_idle(&pdev->dev); | ||
437 | pm_runtime_get_sync(&pdev->dev); | ||
438 | |||
439 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_JD_RISE, | ||
440 | "JACKDET rise", arizona_jackdet, info); | ||
441 | if (ret != 0) { | ||
442 | dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", | ||
443 | ret); | ||
444 | goto err_input; | ||
445 | } | ||
446 | |||
447 | ret = arizona_set_irq_wake(arizona, ARIZONA_IRQ_JD_RISE, 1); | ||
448 | if (ret != 0) { | ||
449 | dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", | ||
450 | ret); | ||
451 | goto err_rise; | ||
452 | } | ||
453 | |||
454 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_JD_FALL, | ||
455 | "JACKDET fall", arizona_jackdet, info); | ||
456 | if (ret != 0) { | ||
457 | dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); | ||
458 | goto err_rise_wake; | ||
459 | } | ||
460 | |||
461 | ret = arizona_set_irq_wake(arizona, ARIZONA_IRQ_JD_FALL, 1); | ||
462 | if (ret != 0) { | ||
463 | dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", | ||
464 | ret); | ||
465 | goto err_fall; | ||
466 | } | ||
467 | |||
468 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, | ||
469 | "MICDET", arizona_micdet, info); | ||
470 | if (ret != 0) { | ||
471 | dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); | ||
472 | goto err_fall_wake; | ||
473 | } | ||
474 | |||
475 | regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, | ||
476 | ARIZONA_MICD_BIAS_STARTTIME_MASK | | ||
477 | ARIZONA_MICD_RATE_MASK, | ||
478 | 7 << ARIZONA_MICD_BIAS_STARTTIME_SHIFT | | ||
479 | 8 << ARIZONA_MICD_RATE_SHIFT); | ||
480 | |||
481 | arizona_clk32k_enable(arizona); | ||
482 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, | ||
483 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); | ||
484 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | ||
485 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); | ||
486 | |||
487 | ret = regulator_allow_bypass(info->micvdd, true); | ||
488 | if (ret != 0) | ||
489 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", | ||
490 | ret); | ||
491 | |||
492 | pm_runtime_put(&pdev->dev); | ||
493 | |||
494 | ret = input_register_device(info->input); | ||
495 | if (ret) { | ||
496 | dev_err(&pdev->dev, "Can't register input device: %d\n", ret); | ||
497 | goto err_micdet; | ||
498 | } | ||
499 | |||
500 | return 0; | ||
501 | |||
502 | err_micdet: | ||
503 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | ||
504 | err_fall_wake: | ||
505 | arizona_set_irq_wake(arizona, ARIZONA_IRQ_JD_FALL, 0); | ||
506 | err_fall: | ||
507 | arizona_free_irq(arizona, ARIZONA_IRQ_JD_FALL, info); | ||
508 | err_rise_wake: | ||
509 | arizona_set_irq_wake(arizona, ARIZONA_IRQ_JD_RISE, 0); | ||
510 | err_rise: | ||
511 | arizona_free_irq(arizona, ARIZONA_IRQ_JD_RISE, info); | ||
512 | err_input: | ||
513 | input_free_device(info->input); | ||
514 | err_register: | ||
515 | pm_runtime_disable(&pdev->dev); | ||
516 | extcon_dev_unregister(&info->edev); | ||
517 | err: | ||
518 | return ret; | ||
519 | } | ||
520 | |||
521 | static int arizona_extcon_remove(struct platform_device *pdev) | ||
522 | { | ||
523 | struct arizona_extcon_info *info = platform_get_drvdata(pdev); | ||
524 | struct arizona *arizona = info->arizona; | ||
525 | |||
526 | pm_runtime_disable(&pdev->dev); | ||
527 | |||
528 | arizona_set_irq_wake(arizona, ARIZONA_IRQ_JD_RISE, 0); | ||
529 | arizona_set_irq_wake(arizona, ARIZONA_IRQ_JD_FALL, 0); | ||
530 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); | ||
531 | arizona_free_irq(arizona, ARIZONA_IRQ_JD_RISE, info); | ||
532 | arizona_free_irq(arizona, ARIZONA_IRQ_JD_FALL, info); | ||
533 | regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, | ||
534 | ARIZONA_JD1_ENA, 0); | ||
535 | arizona_clk32k_disable(arizona); | ||
536 | input_unregister_device(info->input); | ||
537 | extcon_dev_unregister(&info->edev); | ||
538 | |||
539 | return 0; | ||
540 | } | ||
541 | |||
542 | static struct platform_driver arizona_extcon_driver = { | ||
543 | .driver = { | ||
544 | .name = "arizona-extcon", | ||
545 | .owner = THIS_MODULE, | ||
546 | }, | ||
547 | .probe = arizona_extcon_probe, | ||
548 | .remove = arizona_extcon_remove, | ||
549 | }; | ||
550 | |||
551 | module_platform_driver(arizona_extcon_driver); | ||
552 | |||
553 | MODULE_DESCRIPTION("Arizona Extcon driver"); | ||
554 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | ||
555 | MODULE_LICENSE("GPL"); | ||
556 | MODULE_ALIAS("platform:extcon-arizona"); | ||