1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * extcon-arizona.c - Extcon driver Wolfson Arizona devices |
4 | * |
5 | * Copyright (C) 2012-2014 Wolfson Microelectronics plc |
6 | */ |
7 | |
8 | #include <linux/kernel.h> |
9 | #include <linux/module.h> |
10 | #include <linux/slab.h> |
11 | #include <linux/interrupt.h> |
12 | #include <linux/err.h> |
13 | #include <linux/gpio/consumer.h> |
14 | #include <linux/gpio.h> |
15 | #include <linux/input.h> |
16 | #include <linux/pm_runtime.h> |
17 | #include <linux/property.h> |
18 | #include <linux/regulator/consumer.h> |
19 | |
20 | #include <sound/jack.h> |
21 | #include <sound/soc.h> |
22 | |
23 | #include <linux/mfd/arizona/core.h> |
24 | #include <linux/mfd/arizona/pdata.h> |
25 | #include <linux/mfd/arizona/registers.h> |
26 | #include <dt-bindings/mfd/arizona.h> |
27 | |
28 | #include "arizona.h" |
29 | |
30 | #define ARIZONA_MAX_MICD_RANGE 8 |
31 | |
32 | /* |
33 | * The hardware supports 8 ranges / buttons, but the snd-jack interface |
34 | * only supports 6 buttons (button 0-5). |
35 | */ |
36 | #define ARIZONA_MAX_MICD_BUTTONS 6 |
37 | |
38 | #define ARIZONA_MICD_CLAMP_MODE_JDL 0x4 |
39 | #define ARIZONA_MICD_CLAMP_MODE_JDH 0x5 |
40 | #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9 |
41 | #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb |
42 | |
43 | #define ARIZONA_TST_CAP_DEFAULT 0x3 |
44 | #define ARIZONA_TST_CAP_CLAMP 0x1 |
45 | |
46 | #define ARIZONA_HPDET_MAX 10000 |
47 | |
48 | #define HPDET_DEBOUNCE 500 |
49 | #define DEFAULT_MICD_TIMEOUT 2000 |
50 | |
51 | #define ARIZONA_HPDET_WAIT_COUNT 15 |
52 | #define ARIZONA_HPDET_WAIT_DELAY_MS 20 |
53 | |
54 | #define QUICK_HEADPHONE_MAX_OHM 3 |
55 | #define MICROPHONE_MIN_OHM 1257 |
56 | #define MICROPHONE_MAX_OHM 30000 |
57 | |
58 | #define MICD_DBTIME_TWO_READINGS 2 |
59 | #define MICD_DBTIME_FOUR_READINGS 4 |
60 | |
61 | #define MICD_LVL_1_TO_7 (ARIZONA_MICD_LVL_1 | ARIZONA_MICD_LVL_2 | \ |
62 | ARIZONA_MICD_LVL_3 | ARIZONA_MICD_LVL_4 | \ |
63 | ARIZONA_MICD_LVL_5 | ARIZONA_MICD_LVL_6 | \ |
64 | ARIZONA_MICD_LVL_7) |
65 | |
66 | #define MICD_LVL_0_TO_7 (ARIZONA_MICD_LVL_0 | MICD_LVL_1_TO_7) |
67 | |
68 | #define MICD_LVL_0_TO_8 (MICD_LVL_0_TO_7 | ARIZONA_MICD_LVL_8) |
69 | |
70 | static const struct arizona_micd_config micd_default_modes[] = { |
71 | { ARIZONA_ACCDET_SRC, 1, 0 }, |
72 | { 0, 2, 1 }, |
73 | }; |
74 | |
75 | static const struct arizona_micd_range micd_default_ranges[] = { |
76 | { .max = 11, .key = BTN_0 }, |
77 | { .max = 28, .key = BTN_1 }, |
78 | { .max = 54, .key = BTN_2 }, |
79 | { .max = 100, .key = BTN_3 }, |
80 | { .max = 186, .key = BTN_4 }, |
81 | { .max = 430, .key = BTN_5 }, |
82 | }; |
83 | |
84 | /* The number of levels in arizona_micd_levels valid for button thresholds */ |
85 | #define ARIZONA_NUM_MICD_BUTTON_LEVELS 64 |
86 | |
87 | static const int arizona_micd_levels[] = { |
88 | 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, |
89 | 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, |
90 | 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, |
91 | 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, |
92 | 1257, 30000, |
93 | }; |
94 | |
95 | static void arizona_start_hpdet_acc_id(struct arizona_priv *info); |
96 | |
97 | static void arizona_extcon_hp_clamp(struct arizona_priv *info, |
98 | bool clamp) |
99 | { |
100 | struct arizona *arizona = info->arizona; |
101 | unsigned int mask = 0, val = 0; |
102 | unsigned int cap_sel = 0; |
103 | int ret; |
104 | |
105 | switch (arizona->type) { |
106 | case WM8998: |
107 | case WM1814: |
108 | mask = 0; |
109 | break; |
110 | case WM5110: |
111 | case WM8280: |
112 | mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | |
113 | ARIZONA_HP1L_SHRTI; |
114 | if (clamp) { |
115 | val = ARIZONA_HP1L_SHRTO; |
116 | cap_sel = ARIZONA_TST_CAP_CLAMP; |
117 | } else { |
118 | val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; |
119 | cap_sel = ARIZONA_TST_CAP_DEFAULT; |
120 | } |
121 | |
122 | ret = regmap_update_bits(map: arizona->regmap, |
123 | ARIZONA_HP_TEST_CTRL_1, |
124 | ARIZONA_HP1_TST_CAP_SEL_MASK, |
125 | val: cap_sel); |
126 | if (ret) |
127 | dev_warn(arizona->dev, "Failed to set TST_CAP_SEL: %d\n" , ret); |
128 | break; |
129 | default: |
130 | mask = ARIZONA_RMV_SHRT_HP1L; |
131 | if (clamp) |
132 | val = ARIZONA_RMV_SHRT_HP1L; |
133 | break; |
134 | } |
135 | |
136 | snd_soc_dapm_mutex_lock(arizona->dapm); |
137 | |
138 | arizona->hpdet_clamp = clamp; |
139 | |
140 | /* Keep the HP output stages disabled while doing the clamp */ |
141 | if (clamp) { |
142 | ret = regmap_update_bits(map: arizona->regmap, |
143 | ARIZONA_OUTPUT_ENABLES_1, |
144 | ARIZONA_OUT1L_ENA | |
145 | ARIZONA_OUT1R_ENA, val: 0); |
146 | if (ret) |
147 | dev_warn(arizona->dev, "Failed to disable headphone outputs: %d\n" , ret); |
148 | } |
149 | |
150 | if (mask) { |
151 | ret = regmap_update_bits(map: arizona->regmap, ARIZONA_HP_CTRL_1L, |
152 | mask, val); |
153 | if (ret) |
154 | dev_warn(arizona->dev, "Failed to do clamp: %d\n" , ret); |
155 | |
156 | ret = regmap_update_bits(map: arizona->regmap, ARIZONA_HP_CTRL_1R, |
157 | mask, val); |
158 | if (ret) |
159 | dev_warn(arizona->dev, "Failed to do clamp: %d\n" , ret); |
160 | } |
161 | |
162 | /* Restore the desired state while not doing the clamp */ |
163 | if (!clamp) { |
164 | ret = regmap_update_bits(map: arizona->regmap, |
165 | ARIZONA_OUTPUT_ENABLES_1, |
166 | ARIZONA_OUT1L_ENA | |
167 | ARIZONA_OUT1R_ENA, val: arizona->hp_ena); |
168 | if (ret) |
169 | dev_warn(arizona->dev, "Failed to restore headphone outputs: %d\n" , ret); |
170 | } |
171 | |
172 | snd_soc_dapm_mutex_unlock(arizona->dapm); |
173 | } |
174 | |
175 | static void arizona_extcon_set_mode(struct arizona_priv *info, int mode) |
176 | { |
177 | struct arizona *arizona = info->arizona; |
178 | |
179 | mode %= info->micd_num_modes; |
180 | |
181 | gpiod_set_value_cansleep(desc: info->micd_pol_gpio, |
182 | value: info->micd_modes[mode].gpio); |
183 | |
184 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
185 | ARIZONA_MICD_BIAS_SRC_MASK, |
186 | val: info->micd_modes[mode].bias << |
187 | ARIZONA_MICD_BIAS_SRC_SHIFT); |
188 | regmap_update_bits(map: arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
189 | ARIZONA_ACCDET_SRC, val: info->micd_modes[mode].src); |
190 | |
191 | info->micd_mode = mode; |
192 | |
193 | dev_dbg(arizona->dev, "Set jack polarity to %d\n" , mode); |
194 | } |
195 | |
196 | static const char *arizona_extcon_get_micbias(struct arizona_priv *info) |
197 | { |
198 | switch (info->micd_modes[0].bias) { |
199 | case 1: |
200 | return "MICBIAS1" ; |
201 | case 2: |
202 | return "MICBIAS2" ; |
203 | case 3: |
204 | return "MICBIAS3" ; |
205 | default: |
206 | return "MICVDD" ; |
207 | } |
208 | } |
209 | |
210 | static void arizona_extcon_pulse_micbias(struct arizona_priv *info) |
211 | { |
212 | struct arizona *arizona = info->arizona; |
213 | const char *widget = arizona_extcon_get_micbias(info); |
214 | struct snd_soc_dapm_context *dapm = arizona->dapm; |
215 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); |
216 | int ret; |
217 | |
218 | ret = snd_soc_component_force_enable_pin(component, pin: widget); |
219 | if (ret) |
220 | dev_warn(arizona->dev, "Failed to enable %s: %d\n" , widget, ret); |
221 | |
222 | snd_soc_dapm_sync(dapm); |
223 | |
224 | if (!arizona->pdata.micd_force_micbias) { |
225 | ret = snd_soc_component_disable_pin(component, pin: widget); |
226 | if (ret) |
227 | dev_warn(arizona->dev, "Failed to disable %s: %d\n" , widget, ret); |
228 | |
229 | snd_soc_dapm_sync(dapm); |
230 | } |
231 | } |
232 | |
233 | static void arizona_start_mic(struct arizona_priv *info) |
234 | { |
235 | struct arizona *arizona = info->arizona; |
236 | bool change; |
237 | int ret; |
238 | unsigned int mode; |
239 | |
240 | /* Microphone detection can't use idle mode */ |
241 | pm_runtime_get_sync(dev: arizona->dev); |
242 | |
243 | if (info->detecting) { |
244 | ret = regulator_allow_bypass(regulator: info->micvdd, allow: false); |
245 | if (ret) |
246 | dev_err(arizona->dev, "Failed to regulate MICVDD: %d\n" , ret); |
247 | } |
248 | |
249 | ret = regulator_enable(regulator: info->micvdd); |
250 | if (ret) |
251 | dev_err(arizona->dev, "Failed to enable MICVDD: %d\n" , ret); |
252 | |
253 | if (info->micd_reva) { |
254 | const struct reg_sequence reva[] = { |
255 | { 0x80, 0x3 }, |
256 | { 0x294, 0x0 }, |
257 | { 0x80, 0x0 }, |
258 | }; |
259 | |
260 | regmap_multi_reg_write(map: arizona->regmap, regs: reva, ARRAY_SIZE(reva)); |
261 | } |
262 | |
263 | if (info->detecting && arizona->pdata.micd_software_compare) |
264 | mode = ARIZONA_ACCDET_MODE_ADC; |
265 | else |
266 | mode = ARIZONA_ACCDET_MODE_MIC; |
267 | |
268 | regmap_update_bits(map: arizona->regmap, |
269 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
270 | ARIZONA_ACCDET_MODE_MASK, val: mode); |
271 | |
272 | arizona_extcon_pulse_micbias(info); |
273 | |
274 | ret = regmap_update_bits_check(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
275 | ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, |
276 | change: &change); |
277 | if (ret < 0) { |
278 | dev_err(arizona->dev, "Failed to enable micd: %d\n" , ret); |
279 | } else if (!change) { |
280 | regulator_disable(regulator: info->micvdd); |
281 | pm_runtime_put_autosuspend(dev: arizona->dev); |
282 | } |
283 | } |
284 | |
285 | static void arizona_stop_mic(struct arizona_priv *info) |
286 | { |
287 | struct arizona *arizona = info->arizona; |
288 | const char *widget = arizona_extcon_get_micbias(info); |
289 | struct snd_soc_dapm_context *dapm = arizona->dapm; |
290 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); |
291 | bool change = false; |
292 | int ret; |
293 | |
294 | ret = regmap_update_bits_check(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
295 | ARIZONA_MICD_ENA, val: 0, |
296 | change: &change); |
297 | if (ret < 0) |
298 | dev_err(arizona->dev, "Failed to disable micd: %d\n" , ret); |
299 | |
300 | ret = snd_soc_component_disable_pin(component, pin: widget); |
301 | if (ret) |
302 | dev_warn(arizona->dev, "Failed to disable %s: %d\n" , widget, ret); |
303 | |
304 | snd_soc_dapm_sync(dapm); |
305 | |
306 | if (info->micd_reva) { |
307 | const struct reg_sequence reva[] = { |
308 | { 0x80, 0x3 }, |
309 | { 0x294, 0x2 }, |
310 | { 0x80, 0x0 }, |
311 | }; |
312 | |
313 | regmap_multi_reg_write(map: arizona->regmap, regs: reva, ARRAY_SIZE(reva)); |
314 | } |
315 | |
316 | ret = regulator_allow_bypass(regulator: info->micvdd, allow: true); |
317 | if (ret) |
318 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n" , ret); |
319 | |
320 | if (change) { |
321 | regulator_disable(regulator: info->micvdd); |
322 | pm_runtime_mark_last_busy(dev: arizona->dev); |
323 | pm_runtime_put_autosuspend(dev: arizona->dev); |
324 | } |
325 | } |
326 | |
327 | static struct { |
328 | unsigned int threshold; |
329 | unsigned int factor_a; |
330 | unsigned int factor_b; |
331 | } arizona_hpdet_b_ranges[] = { |
332 | { 100, 5528, 362464 }, |
333 | { 169, 11084, 6186851 }, |
334 | { 169, 11065, 65460395 }, |
335 | }; |
336 | |
337 | #define ARIZONA_HPDET_B_RANGE_MAX 0x3fb |
338 | |
339 | static struct { |
340 | int min; |
341 | int max; |
342 | } arizona_hpdet_c_ranges[] = { |
343 | { 0, 30 }, |
344 | { 8, 100 }, |
345 | { 100, 1000 }, |
346 | { 1000, 10000 }, |
347 | }; |
348 | |
349 | static int arizona_hpdet_read(struct arizona_priv *info) |
350 | { |
351 | struct arizona *arizona = info->arizona; |
352 | unsigned int val, range; |
353 | int ret; |
354 | |
355 | ret = regmap_read(map: arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, val: &val); |
356 | if (ret) { |
357 | dev_err(arizona->dev, "Failed to read HPDET status: %d\n" , ret); |
358 | return ret; |
359 | } |
360 | |
361 | switch (info->hpdet_ip_version) { |
362 | case 0: |
363 | if (!(val & ARIZONA_HP_DONE)) { |
364 | dev_err(arizona->dev, "HPDET did not complete: %x\n" , val); |
365 | return -EAGAIN; |
366 | } |
367 | |
368 | val &= ARIZONA_HP_LVL_MASK; |
369 | break; |
370 | |
371 | case 1: |
372 | if (!(val & ARIZONA_HP_DONE_B)) { |
373 | dev_err(arizona->dev, "HPDET did not complete: %x\n" , val); |
374 | return -EAGAIN; |
375 | } |
376 | |
377 | ret = regmap_read(map: arizona->regmap, ARIZONA_HP_DACVAL, val: &val); |
378 | if (ret) { |
379 | dev_err(arizona->dev, "Failed to read HP value: %d\n" , ret); |
380 | return -EAGAIN; |
381 | } |
382 | |
383 | regmap_read(map: arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
384 | val: &range); |
385 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) |
386 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; |
387 | |
388 | if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && |
389 | (val < arizona_hpdet_b_ranges[range].threshold || |
390 | val >= ARIZONA_HPDET_B_RANGE_MAX)) { |
391 | range++; |
392 | dev_dbg(arizona->dev, "Moving to HPDET range %d\n" , range); |
393 | regmap_update_bits(map: arizona->regmap, |
394 | ARIZONA_HEADPHONE_DETECT_1, |
395 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
396 | val: range << |
397 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
398 | return -EAGAIN; |
399 | } |
400 | |
401 | /* If we go out of range report top of range */ |
402 | if (val < arizona_hpdet_b_ranges[range].threshold || |
403 | val >= ARIZONA_HPDET_B_RANGE_MAX) { |
404 | dev_dbg(arizona->dev, "Measurement out of range\n" ); |
405 | return ARIZONA_HPDET_MAX; |
406 | } |
407 | |
408 | dev_dbg(arizona->dev, "HPDET read %d in range %d\n" , val, range); |
409 | |
410 | val = arizona_hpdet_b_ranges[range].factor_b |
411 | / ((val * 100) - |
412 | arizona_hpdet_b_ranges[range].factor_a); |
413 | break; |
414 | |
415 | case 2: |
416 | if (!(val & ARIZONA_HP_DONE_B)) { |
417 | dev_err(arizona->dev, "HPDET did not complete: %x\n" , val); |
418 | return -EAGAIN; |
419 | } |
420 | |
421 | val &= ARIZONA_HP_LVL_B_MASK; |
422 | /* Convert to ohms, the value is in 0.5 ohm increments */ |
423 | val /= 2; |
424 | |
425 | regmap_read(map: arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
426 | val: &range); |
427 | range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) |
428 | >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; |
429 | |
430 | /* Skip up a range, or report? */ |
431 | if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && |
432 | (val >= arizona_hpdet_c_ranges[range].max)) { |
433 | range++; |
434 | dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n" , |
435 | arizona_hpdet_c_ranges[range].min, |
436 | arizona_hpdet_c_ranges[range].max); |
437 | regmap_update_bits(map: arizona->regmap, |
438 | ARIZONA_HEADPHONE_DETECT_1, |
439 | ARIZONA_HP_IMPEDANCE_RANGE_MASK, |
440 | val: range << |
441 | ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); |
442 | return -EAGAIN; |
443 | } |
444 | |
445 | if (range && (val < arizona_hpdet_c_ranges[range].min)) { |
446 | dev_dbg(arizona->dev, "Reporting range boundary %d\n" , |
447 | arizona_hpdet_c_ranges[range].min); |
448 | val = arizona_hpdet_c_ranges[range].min; |
449 | } |
450 | break; |
451 | |
452 | default: |
453 | dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n" , info->hpdet_ip_version); |
454 | return -EINVAL; |
455 | } |
456 | |
457 | dev_dbg(arizona->dev, "HP impedance %d ohms\n" , val); |
458 | return val; |
459 | } |
460 | |
461 | static int arizona_hpdet_do_id(struct arizona_priv *info, int *reading, |
462 | bool *mic) |
463 | { |
464 | struct arizona *arizona = info->arizona; |
465 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
466 | |
467 | if (!arizona->pdata.hpdet_acc_id) |
468 | return 0; |
469 | |
470 | /* |
471 | * If we're using HPDET for accessory identification we need |
472 | * to take multiple measurements, step through them in sequence. |
473 | */ |
474 | info->hpdet_res[info->num_hpdet_res++] = *reading; |
475 | |
476 | /* Only check the mic directly if we didn't already ID it */ |
477 | if (id_gpio && info->num_hpdet_res == 1) { |
478 | dev_dbg(arizona->dev, "Measuring mic\n" ); |
479 | |
480 | regmap_update_bits(map: arizona->regmap, |
481 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
482 | ARIZONA_ACCDET_MODE_MASK | |
483 | ARIZONA_ACCDET_SRC, |
484 | ARIZONA_ACCDET_MODE_HPR | |
485 | info->micd_modes[0].src); |
486 | |
487 | gpio_set_value_cansleep(gpio: id_gpio, value: 1); |
488 | |
489 | regmap_update_bits(map: arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
490 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
491 | return -EAGAIN; |
492 | } |
493 | |
494 | /* OK, got both. Now, compare... */ |
495 | dev_dbg(arizona->dev, "HPDET measured %d %d\n" , |
496 | info->hpdet_res[0], info->hpdet_res[1]); |
497 | |
498 | /* Take the headphone impedance for the main report */ |
499 | *reading = info->hpdet_res[0]; |
500 | |
501 | /* Sometimes we get false readings due to slow insert */ |
502 | if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) { |
503 | dev_dbg(arizona->dev, "Retrying high impedance\n" ); |
504 | info->num_hpdet_res = 0; |
505 | info->hpdet_retried = true; |
506 | arizona_start_hpdet_acc_id(info); |
507 | pm_runtime_put(dev: arizona->dev); |
508 | return -EAGAIN; |
509 | } |
510 | |
511 | /* |
512 | * If we measure the mic as high impedance |
513 | */ |
514 | if (!id_gpio || info->hpdet_res[1] > 50) { |
515 | dev_dbg(arizona->dev, "Detected mic\n" ); |
516 | *mic = true; |
517 | info->detecting = true; |
518 | } else { |
519 | dev_dbg(arizona->dev, "Detected headphone\n" ); |
520 | } |
521 | |
522 | /* Make sure everything is reset back to the real polarity */ |
523 | regmap_update_bits(map: arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, |
524 | ARIZONA_ACCDET_SRC, val: info->micd_modes[0].src); |
525 | |
526 | return 0; |
527 | } |
528 | |
529 | static irqreturn_t arizona_hpdet_irq(int irq, void *data) |
530 | { |
531 | struct arizona_priv *info = data; |
532 | struct arizona *arizona = info->arizona; |
533 | int id_gpio = arizona->pdata.hpdet_id_gpio; |
534 | int ret, reading, state, report; |
535 | bool mic = false; |
536 | |
537 | mutex_lock(&info->lock); |
538 | |
539 | /* If we got a spurious IRQ for some reason then ignore it */ |
540 | if (!info->hpdet_active) { |
541 | dev_warn(arizona->dev, "Spurious HPDET IRQ\n" ); |
542 | mutex_unlock(lock: &info->lock); |
543 | return IRQ_NONE; |
544 | } |
545 | |
546 | /* If the cable was removed while measuring ignore the result */ |
547 | state = info->jack->status & SND_JACK_MECHANICAL; |
548 | if (!state) { |
549 | dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n" ); |
550 | goto done; |
551 | } |
552 | |
553 | ret = arizona_hpdet_read(info); |
554 | if (ret == -EAGAIN) |
555 | goto out; |
556 | else if (ret < 0) |
557 | goto done; |
558 | reading = ret; |
559 | |
560 | /* Reset back to starting range */ |
561 | regmap_update_bits(map: arizona->regmap, |
562 | ARIZONA_HEADPHONE_DETECT_1, |
563 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
564 | val: 0); |
565 | |
566 | ret = arizona_hpdet_do_id(info, reading: &reading, mic: &mic); |
567 | if (ret == -EAGAIN) |
568 | goto out; |
569 | else if (ret < 0) |
570 | goto done; |
571 | |
572 | /* Report high impedence cables as line outputs */ |
573 | if (reading >= 5000) |
574 | report = SND_JACK_LINEOUT; |
575 | else |
576 | report = SND_JACK_HEADPHONE; |
577 | |
578 | snd_soc_jack_report(jack: info->jack, status: report, mask: SND_JACK_LINEOUT | SND_JACK_HEADPHONE); |
579 | |
580 | done: |
581 | /* Reset back to starting range */ |
582 | regmap_update_bits(map: arizona->regmap, |
583 | ARIZONA_HEADPHONE_DETECT_1, |
584 | ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, |
585 | val: 0); |
586 | |
587 | arizona_extcon_hp_clamp(info, clamp: false); |
588 | |
589 | if (id_gpio) |
590 | gpio_set_value_cansleep(gpio: id_gpio, value: 0); |
591 | |
592 | /* If we have a mic then reenable MICDET */ |
593 | if (state && (mic || info->mic)) |
594 | arizona_start_mic(info); |
595 | |
596 | if (info->hpdet_active) { |
597 | pm_runtime_put_autosuspend(dev: arizona->dev); |
598 | info->hpdet_active = false; |
599 | } |
600 | |
601 | /* Do not set hp_det done when the cable has been unplugged */ |
602 | if (state) |
603 | info->hpdet_done = true; |
604 | |
605 | out: |
606 | mutex_unlock(lock: &info->lock); |
607 | |
608 | return IRQ_HANDLED; |
609 | } |
610 | |
611 | static void arizona_identify_headphone(struct arizona_priv *info) |
612 | { |
613 | struct arizona *arizona = info->arizona; |
614 | int ret; |
615 | |
616 | if (info->hpdet_done) |
617 | return; |
618 | |
619 | dev_dbg(arizona->dev, "Starting HPDET\n" ); |
620 | |
621 | /* Make sure we keep the device enabled during the measurement */ |
622 | pm_runtime_get_sync(dev: arizona->dev); |
623 | |
624 | info->hpdet_active = true; |
625 | |
626 | arizona_stop_mic(info); |
627 | |
628 | arizona_extcon_hp_clamp(info, clamp: true); |
629 | |
630 | ret = regmap_update_bits(map: arizona->regmap, |
631 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
632 | ARIZONA_ACCDET_MODE_MASK, |
633 | val: arizona->pdata.hpdet_channel); |
634 | if (ret != 0) { |
635 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n" , ret); |
636 | goto err; |
637 | } |
638 | |
639 | ret = regmap_update_bits(map: arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, |
640 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
641 | if (ret) { |
642 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n" , ret); |
643 | goto err; |
644 | } |
645 | |
646 | return; |
647 | |
648 | err: |
649 | arizona_extcon_hp_clamp(info, clamp: false); |
650 | pm_runtime_put_autosuspend(dev: arizona->dev); |
651 | |
652 | /* Just report headphone */ |
653 | snd_soc_jack_report(jack: info->jack, status: SND_JACK_HEADPHONE, |
654 | mask: SND_JACK_LINEOUT | SND_JACK_HEADPHONE); |
655 | |
656 | if (info->mic) |
657 | arizona_start_mic(info); |
658 | |
659 | info->hpdet_active = false; |
660 | } |
661 | |
662 | static void arizona_start_hpdet_acc_id(struct arizona_priv *info) |
663 | { |
664 | struct arizona *arizona = info->arizona; |
665 | int hp_reading = 32; |
666 | bool mic; |
667 | int ret; |
668 | |
669 | dev_dbg(arizona->dev, "Starting identification via HPDET\n" ); |
670 | |
671 | /* Make sure we keep the device enabled during the measurement */ |
672 | pm_runtime_get_sync(dev: arizona->dev); |
673 | |
674 | info->hpdet_active = true; |
675 | |
676 | arizona_extcon_hp_clamp(info, clamp: true); |
677 | |
678 | ret = regmap_update_bits(map: arizona->regmap, |
679 | ARIZONA_ACCESSORY_DETECT_MODE_1, |
680 | ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, |
681 | val: info->micd_modes[0].src | |
682 | arizona->pdata.hpdet_channel); |
683 | if (ret != 0) { |
684 | dev_err(arizona->dev, "Failed to set HPDET mode: %d\n" , ret); |
685 | goto err; |
686 | } |
687 | |
688 | if (arizona->pdata.hpdet_acc_id_line) { |
689 | ret = regmap_update_bits(map: arizona->regmap, |
690 | ARIZONA_HEADPHONE_DETECT_1, |
691 | ARIZONA_HP_POLL, ARIZONA_HP_POLL); |
692 | if (ret) { |
693 | dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n" , ret); |
694 | goto err; |
695 | } |
696 | } else { |
697 | arizona_hpdet_do_id(info, reading: &hp_reading, mic: &mic); |
698 | } |
699 | |
700 | return; |
701 | |
702 | err: |
703 | /* Just report headphone */ |
704 | snd_soc_jack_report(jack: info->jack, status: SND_JACK_HEADPHONE, |
705 | mask: SND_JACK_LINEOUT | SND_JACK_HEADPHONE); |
706 | |
707 | info->hpdet_active = false; |
708 | } |
709 | |
710 | static void arizona_micd_timeout_work(struct work_struct *work) |
711 | { |
712 | struct arizona_priv *info = container_of(work, |
713 | struct arizona_priv, |
714 | micd_timeout_work.work); |
715 | |
716 | mutex_lock(&info->lock); |
717 | |
718 | dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n" ); |
719 | |
720 | info->detecting = false; |
721 | |
722 | arizona_identify_headphone(info); |
723 | |
724 | mutex_unlock(lock: &info->lock); |
725 | } |
726 | |
727 | static int arizona_micd_adc_read(struct arizona_priv *info) |
728 | { |
729 | struct arizona *arizona = info->arizona; |
730 | unsigned int val; |
731 | int ret; |
732 | |
733 | /* Must disable MICD before we read the ADCVAL */ |
734 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
735 | ARIZONA_MICD_ENA, val: 0); |
736 | |
737 | ret = regmap_read(map: arizona->regmap, ARIZONA_MIC_DETECT_4, val: &val); |
738 | if (ret) { |
739 | dev_err(arizona->dev, "Failed to read MICDET_ADCVAL: %d\n" , ret); |
740 | return ret; |
741 | } |
742 | |
743 | dev_dbg(arizona->dev, "MICDET_ADCVAL: %x\n" , val); |
744 | |
745 | val &= ARIZONA_MICDET_ADCVAL_MASK; |
746 | if (val < ARRAY_SIZE(arizona_micd_levels)) |
747 | val = arizona_micd_levels[val]; |
748 | else |
749 | val = INT_MAX; |
750 | |
751 | if (val <= QUICK_HEADPHONE_MAX_OHM) |
752 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_0; |
753 | else if (val <= MICROPHONE_MIN_OHM) |
754 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_1; |
755 | else if (val <= MICROPHONE_MAX_OHM) |
756 | val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_8; |
757 | else |
758 | val = ARIZONA_MICD_LVL_8; |
759 | |
760 | return val; |
761 | } |
762 | |
763 | static int arizona_micd_read(struct arizona_priv *info) |
764 | { |
765 | struct arizona *arizona = info->arizona; |
766 | unsigned int val = 0; |
767 | int ret, i; |
768 | |
769 | for (i = 0; i < 10 && !(val & MICD_LVL_0_TO_8); i++) { |
770 | ret = regmap_read(map: arizona->regmap, ARIZONA_MIC_DETECT_3, val: &val); |
771 | if (ret) { |
772 | dev_err(arizona->dev, "Failed to read MICDET: %d\n" , ret); |
773 | return ret; |
774 | } |
775 | |
776 | dev_dbg(arizona->dev, "MICDET: %x\n" , val); |
777 | |
778 | if (!(val & ARIZONA_MICD_VALID)) { |
779 | dev_warn(arizona->dev, "Microphone detection state invalid\n" ); |
780 | return -EINVAL; |
781 | } |
782 | } |
783 | |
784 | if (i == 10 && !(val & MICD_LVL_0_TO_8)) { |
785 | dev_err(arizona->dev, "Failed to get valid MICDET value\n" ); |
786 | return -EINVAL; |
787 | } |
788 | |
789 | return val; |
790 | } |
791 | |
792 | static int arizona_micdet_reading(void *priv) |
793 | { |
794 | struct arizona_priv *info = priv; |
795 | struct arizona *arizona = info->arizona; |
796 | int ret, val; |
797 | |
798 | if (info->detecting && arizona->pdata.micd_software_compare) |
799 | ret = arizona_micd_adc_read(info); |
800 | else |
801 | ret = arizona_micd_read(info); |
802 | if (ret < 0) |
803 | return ret; |
804 | |
805 | val = ret; |
806 | |
807 | /* Due to jack detect this should never happen */ |
808 | if (!(val & ARIZONA_MICD_STS)) { |
809 | dev_warn(arizona->dev, "Detected open circuit\n" ); |
810 | info->mic = false; |
811 | info->detecting = false; |
812 | arizona_identify_headphone(info); |
813 | return 0; |
814 | } |
815 | |
816 | /* If we got a high impedence we should have a headset, report it. */ |
817 | if (val & ARIZONA_MICD_LVL_8) { |
818 | info->mic = true; |
819 | info->detecting = false; |
820 | |
821 | arizona_identify_headphone(info); |
822 | |
823 | snd_soc_jack_report(jack: info->jack, status: SND_JACK_MICROPHONE, mask: SND_JACK_MICROPHONE); |
824 | |
825 | /* Don't need to regulate for button detection */ |
826 | ret = regulator_allow_bypass(regulator: info->micvdd, allow: true); |
827 | if (ret) |
828 | dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n" , ret); |
829 | |
830 | return 0; |
831 | } |
832 | |
833 | /* If we detected a lower impedence during initial startup |
834 | * then we probably have the wrong polarity, flip it. Don't |
835 | * do this for the lowest impedences to speed up detection of |
836 | * plain headphones. If both polarities report a low |
837 | * impedence then give up and report headphones. |
838 | */ |
839 | if (val & MICD_LVL_1_TO_7) { |
840 | if (info->jack_flips >= info->micd_num_modes * 10) { |
841 | dev_dbg(arizona->dev, "Detected HP/line\n" ); |
842 | |
843 | info->detecting = false; |
844 | |
845 | arizona_identify_headphone(info); |
846 | } else { |
847 | info->micd_mode++; |
848 | if (info->micd_mode == info->micd_num_modes) |
849 | info->micd_mode = 0; |
850 | arizona_extcon_set_mode(info, mode: info->micd_mode); |
851 | |
852 | info->jack_flips++; |
853 | |
854 | if (arizona->pdata.micd_software_compare) |
855 | regmap_update_bits(map: arizona->regmap, |
856 | ARIZONA_MIC_DETECT_1, |
857 | ARIZONA_MICD_ENA, |
858 | ARIZONA_MICD_ENA); |
859 | |
860 | queue_delayed_work(wq: system_power_efficient_wq, |
861 | dwork: &info->micd_timeout_work, |
862 | delay: msecs_to_jiffies(m: arizona->pdata.micd_timeout)); |
863 | } |
864 | |
865 | return 0; |
866 | } |
867 | |
868 | /* |
869 | * If we're still detecting and we detect a short then we've |
870 | * got a headphone. |
871 | */ |
872 | dev_dbg(arizona->dev, "Headphone detected\n" ); |
873 | info->detecting = false; |
874 | |
875 | arizona_identify_headphone(info); |
876 | |
877 | return 0; |
878 | } |
879 | |
880 | static int arizona_button_reading(void *priv) |
881 | { |
882 | struct arizona_priv *info = priv; |
883 | struct arizona *arizona = info->arizona; |
884 | int val, key, lvl; |
885 | |
886 | val = arizona_micd_read(info); |
887 | if (val < 0) |
888 | return val; |
889 | |
890 | /* |
891 | * If we're still detecting and we detect a short then we've |
892 | * got a headphone. Otherwise it's a button press. |
893 | */ |
894 | if (val & MICD_LVL_0_TO_7) { |
895 | if (info->mic) { |
896 | dev_dbg(arizona->dev, "Mic button detected\n" ); |
897 | |
898 | lvl = val & ARIZONA_MICD_LVL_MASK; |
899 | lvl >>= ARIZONA_MICD_LVL_SHIFT; |
900 | |
901 | if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) { |
902 | key = ffs(lvl) - 1; |
903 | snd_soc_jack_report(jack: info->jack, |
904 | status: SND_JACK_BTN_0 >> key, |
905 | mask: info->micd_button_mask); |
906 | } else { |
907 | dev_err(arizona->dev, "Button out of range\n" ); |
908 | } |
909 | } else { |
910 | dev_warn(arizona->dev, "Button with no mic: %x\n" , val); |
911 | } |
912 | } else { |
913 | dev_dbg(arizona->dev, "Mic button released\n" ); |
914 | snd_soc_jack_report(jack: info->jack, status: 0, mask: info->micd_button_mask); |
915 | arizona_extcon_pulse_micbias(info); |
916 | } |
917 | |
918 | return 0; |
919 | } |
920 | |
921 | static void arizona_micd_detect(struct work_struct *work) |
922 | { |
923 | struct arizona_priv *info = container_of(work, |
924 | struct arizona_priv, |
925 | micd_detect_work.work); |
926 | struct arizona *arizona = info->arizona; |
927 | |
928 | cancel_delayed_work_sync(dwork: &info->micd_timeout_work); |
929 | |
930 | mutex_lock(&info->lock); |
931 | |
932 | /* If the cable was removed while measuring ignore the result */ |
933 | if (!(info->jack->status & SND_JACK_MECHANICAL)) { |
934 | dev_dbg(arizona->dev, "Ignoring MICDET for removed cable\n" ); |
935 | mutex_unlock(lock: &info->lock); |
936 | return; |
937 | } |
938 | |
939 | if (info->detecting) |
940 | arizona_micdet_reading(priv: info); |
941 | else |
942 | arizona_button_reading(priv: info); |
943 | |
944 | pm_runtime_mark_last_busy(dev: arizona->dev); |
945 | mutex_unlock(lock: &info->lock); |
946 | } |
947 | |
948 | static irqreturn_t arizona_micdet(int irq, void *data) |
949 | { |
950 | struct arizona_priv *info = data; |
951 | struct arizona *arizona = info->arizona; |
952 | int debounce = arizona->pdata.micd_detect_debounce; |
953 | |
954 | cancel_delayed_work_sync(dwork: &info->micd_detect_work); |
955 | cancel_delayed_work_sync(dwork: &info->micd_timeout_work); |
956 | |
957 | mutex_lock(&info->lock); |
958 | if (!info->detecting) |
959 | debounce = 0; |
960 | mutex_unlock(lock: &info->lock); |
961 | |
962 | if (debounce) |
963 | queue_delayed_work(wq: system_power_efficient_wq, |
964 | dwork: &info->micd_detect_work, |
965 | delay: msecs_to_jiffies(m: debounce)); |
966 | else |
967 | arizona_micd_detect(work: &info->micd_detect_work.work); |
968 | |
969 | return IRQ_HANDLED; |
970 | } |
971 | |
972 | static void arizona_hpdet_work(struct work_struct *work) |
973 | { |
974 | struct arizona_priv *info = container_of(work, |
975 | struct arizona_priv, |
976 | hpdet_work.work); |
977 | |
978 | mutex_lock(&info->lock); |
979 | arizona_start_hpdet_acc_id(info); |
980 | mutex_unlock(lock: &info->lock); |
981 | } |
982 | |
983 | static int arizona_hpdet_wait(struct arizona_priv *info) |
984 | { |
985 | struct arizona *arizona = info->arizona; |
986 | unsigned int val; |
987 | int i, ret; |
988 | |
989 | for (i = 0; i < ARIZONA_HPDET_WAIT_COUNT; i++) { |
990 | ret = regmap_read(map: arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, |
991 | val: &val); |
992 | if (ret) { |
993 | dev_err(arizona->dev, "Failed to read HPDET state: %d\n" , ret); |
994 | return ret; |
995 | } |
996 | |
997 | switch (info->hpdet_ip_version) { |
998 | case 0: |
999 | if (val & ARIZONA_HP_DONE) |
1000 | return 0; |
1001 | break; |
1002 | default: |
1003 | if (val & ARIZONA_HP_DONE_B) |
1004 | return 0; |
1005 | break; |
1006 | } |
1007 | |
1008 | msleep(ARIZONA_HPDET_WAIT_DELAY_MS); |
1009 | } |
1010 | |
1011 | dev_warn(arizona->dev, "HPDET did not appear to complete\n" ); |
1012 | |
1013 | return -ETIMEDOUT; |
1014 | } |
1015 | |
1016 | static irqreturn_t arizona_jackdet(int irq, void *data) |
1017 | { |
1018 | struct arizona_priv *info = data; |
1019 | struct arizona *arizona = info->arizona; |
1020 | unsigned int val, present, mask; |
1021 | bool cancelled_hp, cancelled_mic; |
1022 | int ret, i; |
1023 | |
1024 | cancelled_hp = cancel_delayed_work_sync(dwork: &info->hpdet_work); |
1025 | cancelled_mic = cancel_delayed_work_sync(dwork: &info->micd_timeout_work); |
1026 | |
1027 | pm_runtime_get_sync(dev: arizona->dev); |
1028 | |
1029 | mutex_lock(&info->lock); |
1030 | |
1031 | if (info->micd_clamp) { |
1032 | mask = ARIZONA_MICD_CLAMP_STS; |
1033 | present = 0; |
1034 | } else { |
1035 | mask = ARIZONA_JD1_STS; |
1036 | if (arizona->pdata.jd_invert) |
1037 | present = 0; |
1038 | else |
1039 | present = ARIZONA_JD1_STS; |
1040 | } |
1041 | |
1042 | ret = regmap_read(map: arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, val: &val); |
1043 | if (ret) { |
1044 | dev_err(arizona->dev, "Failed to read jackdet status: %d\n" , ret); |
1045 | mutex_unlock(lock: &info->lock); |
1046 | pm_runtime_put_autosuspend(dev: arizona->dev); |
1047 | return IRQ_NONE; |
1048 | } |
1049 | |
1050 | val &= mask; |
1051 | if (val == info->last_jackdet) { |
1052 | dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n" ); |
1053 | if (cancelled_hp) |
1054 | queue_delayed_work(wq: system_power_efficient_wq, |
1055 | dwork: &info->hpdet_work, |
1056 | delay: msecs_to_jiffies(HPDET_DEBOUNCE)); |
1057 | |
1058 | if (cancelled_mic) { |
1059 | int micd_timeout = arizona->pdata.micd_timeout; |
1060 | |
1061 | queue_delayed_work(wq: system_power_efficient_wq, |
1062 | dwork: &info->micd_timeout_work, |
1063 | delay: msecs_to_jiffies(m: micd_timeout)); |
1064 | } |
1065 | |
1066 | goto out; |
1067 | } |
1068 | info->last_jackdet = val; |
1069 | |
1070 | if (info->last_jackdet == present) { |
1071 | dev_dbg(arizona->dev, "Detected jack\n" ); |
1072 | snd_soc_jack_report(jack: info->jack, status: SND_JACK_MECHANICAL, mask: SND_JACK_MECHANICAL); |
1073 | |
1074 | info->detecting = true; |
1075 | info->mic = false; |
1076 | info->jack_flips = 0; |
1077 | |
1078 | if (!arizona->pdata.hpdet_acc_id) { |
1079 | arizona_start_mic(info); |
1080 | } else { |
1081 | queue_delayed_work(wq: system_power_efficient_wq, |
1082 | dwork: &info->hpdet_work, |
1083 | delay: msecs_to_jiffies(HPDET_DEBOUNCE)); |
1084 | } |
1085 | |
1086 | if (info->micd_clamp || !arizona->pdata.jd_invert) |
1087 | regmap_update_bits(map: arizona->regmap, |
1088 | ARIZONA_JACK_DETECT_DEBOUNCE, |
1089 | ARIZONA_MICD_CLAMP_DB | |
1090 | ARIZONA_JD1_DB, val: 0); |
1091 | } else { |
1092 | dev_dbg(arizona->dev, "Detected jack removal\n" ); |
1093 | |
1094 | arizona_stop_mic(info); |
1095 | |
1096 | info->num_hpdet_res = 0; |
1097 | for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) |
1098 | info->hpdet_res[i] = 0; |
1099 | info->mic = false; |
1100 | info->hpdet_done = false; |
1101 | info->hpdet_retried = false; |
1102 | |
1103 | snd_soc_jack_report(jack: info->jack, status: 0, ARIZONA_JACK_MASK | info->micd_button_mask); |
1104 | |
1105 | /* |
1106 | * If the jack was removed during a headphone detection we |
1107 | * need to wait for the headphone detection to finish, as |
1108 | * it can not be aborted. We don't want to be able to start |
1109 | * a new headphone detection from a fresh insert until this |
1110 | * one is finished. |
1111 | */ |
1112 | arizona_hpdet_wait(info); |
1113 | |
1114 | regmap_update_bits(map: arizona->regmap, |
1115 | ARIZONA_JACK_DETECT_DEBOUNCE, |
1116 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, |
1117 | ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); |
1118 | } |
1119 | |
1120 | out: |
1121 | /* Clear trig_sts to make sure DCVDD is not forced up */ |
1122 | regmap_write(map: arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, |
1123 | ARIZONA_MICD_CLAMP_FALL_TRIG_STS | |
1124 | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | |
1125 | ARIZONA_JD1_FALL_TRIG_STS | |
1126 | ARIZONA_JD1_RISE_TRIG_STS); |
1127 | |
1128 | mutex_unlock(lock: &info->lock); |
1129 | |
1130 | pm_runtime_mark_last_busy(dev: arizona->dev); |
1131 | pm_runtime_put_autosuspend(dev: arizona->dev); |
1132 | |
1133 | return IRQ_HANDLED; |
1134 | } |
1135 | |
1136 | /* Map a level onto a slot in the register bank */ |
1137 | static void arizona_micd_set_level(struct arizona *arizona, int index, |
1138 | unsigned int level) |
1139 | { |
1140 | int reg; |
1141 | unsigned int mask; |
1142 | |
1143 | reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2); |
1144 | |
1145 | if (!(index % 2)) { |
1146 | mask = 0x3f00; |
1147 | level <<= 8; |
1148 | } else { |
1149 | mask = 0x3f; |
1150 | } |
1151 | |
1152 | /* Program the level itself */ |
1153 | regmap_update_bits(map: arizona->regmap, reg, mask, val: level); |
1154 | } |
1155 | |
1156 | static int arizona_extcon_get_micd_configs(struct device *dev, |
1157 | struct arizona *arizona) |
1158 | { |
1159 | const char * const prop = "wlf,micd-configs" ; |
1160 | const int entries_per_config = 3; |
1161 | struct arizona_micd_config *micd_configs; |
1162 | int nconfs, ret; |
1163 | int i, j; |
1164 | u32 *vals; |
1165 | |
1166 | nconfs = device_property_count_u32(dev: arizona->dev, propname: prop); |
1167 | if (nconfs <= 0) |
1168 | return 0; |
1169 | |
1170 | vals = kcalloc(n: nconfs, size: sizeof(u32), GFP_KERNEL); |
1171 | if (!vals) |
1172 | return -ENOMEM; |
1173 | |
1174 | ret = device_property_read_u32_array(dev: arizona->dev, propname: prop, val: vals, nval: nconfs); |
1175 | if (ret < 0) |
1176 | goto out; |
1177 | |
1178 | nconfs /= entries_per_config; |
1179 | micd_configs = devm_kcalloc(dev, n: nconfs, size: sizeof(*micd_configs), |
1180 | GFP_KERNEL); |
1181 | if (!micd_configs) { |
1182 | ret = -ENOMEM; |
1183 | goto out; |
1184 | } |
1185 | |
1186 | for (i = 0, j = 0; i < nconfs; ++i) { |
1187 | micd_configs[i].src = vals[j++] ? ARIZONA_ACCDET_SRC : 0; |
1188 | micd_configs[i].bias = vals[j++]; |
1189 | micd_configs[i].gpio = vals[j++]; |
1190 | } |
1191 | |
1192 | arizona->pdata.micd_configs = micd_configs; |
1193 | arizona->pdata.num_micd_configs = nconfs; |
1194 | |
1195 | out: |
1196 | kfree(objp: vals); |
1197 | return ret; |
1198 | } |
1199 | |
1200 | static int arizona_extcon_device_get_pdata(struct device *dev, |
1201 | struct arizona *arizona) |
1202 | { |
1203 | struct arizona_pdata *pdata = &arizona->pdata; |
1204 | unsigned int val = ARIZONA_ACCDET_MODE_HPL; |
1205 | int ret; |
1206 | |
1207 | device_property_read_u32(dev: arizona->dev, propname: "wlf,hpdet-channel" , val: &val); |
1208 | switch (val) { |
1209 | case ARIZONA_ACCDET_MODE_HPL: |
1210 | case ARIZONA_ACCDET_MODE_HPR: |
1211 | pdata->hpdet_channel = val; |
1212 | break; |
1213 | default: |
1214 | dev_err(arizona->dev, "Wrong wlf,hpdet-channel DT value %d\n" , val); |
1215 | pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL; |
1216 | } |
1217 | |
1218 | device_property_read_u32(dev: arizona->dev, propname: "wlf,micd-detect-debounce" , |
1219 | val: &pdata->micd_detect_debounce); |
1220 | |
1221 | device_property_read_u32(dev: arizona->dev, propname: "wlf,micd-bias-start-time" , |
1222 | val: &pdata->micd_bias_start_time); |
1223 | |
1224 | device_property_read_u32(dev: arizona->dev, propname: "wlf,micd-rate" , |
1225 | val: &pdata->micd_rate); |
1226 | |
1227 | device_property_read_u32(dev: arizona->dev, propname: "wlf,micd-dbtime" , |
1228 | val: &pdata->micd_dbtime); |
1229 | |
1230 | device_property_read_u32(dev: arizona->dev, propname: "wlf,micd-timeout-ms" , |
1231 | val: &pdata->micd_timeout); |
1232 | |
1233 | pdata->micd_force_micbias = device_property_read_bool(dev: arizona->dev, |
1234 | propname: "wlf,micd-force-micbias" ); |
1235 | |
1236 | pdata->micd_software_compare = device_property_read_bool(dev: arizona->dev, |
1237 | propname: "wlf,micd-software-compare" ); |
1238 | |
1239 | pdata->jd_invert = device_property_read_bool(dev: arizona->dev, |
1240 | propname: "wlf,jd-invert" ); |
1241 | |
1242 | device_property_read_u32(dev: arizona->dev, propname: "wlf,gpsw" , val: &pdata->gpsw); |
1243 | |
1244 | pdata->jd_gpio5 = device_property_read_bool(dev: arizona->dev, |
1245 | propname: "wlf,use-jd2" ); |
1246 | pdata->jd_gpio5_nopull = device_property_read_bool(dev: arizona->dev, |
1247 | propname: "wlf,use-jd2-nopull" ); |
1248 | |
1249 | ret = arizona_extcon_get_micd_configs(dev, arizona); |
1250 | if (ret < 0) |
1251 | dev_err(arizona->dev, "Failed to read micd configs: %d\n" , ret); |
1252 | |
1253 | return 0; |
1254 | } |
1255 | |
1256 | int arizona_jack_codec_dev_probe(struct arizona_priv *info, struct device *dev) |
1257 | { |
1258 | struct arizona *arizona = info->arizona; |
1259 | struct arizona_pdata *pdata = &arizona->pdata; |
1260 | int ret, mode; |
1261 | |
1262 | if (!dev_get_platdata(dev: arizona->dev)) |
1263 | arizona_extcon_device_get_pdata(dev, arizona); |
1264 | |
1265 | info->micvdd = devm_regulator_get(dev, id: "MICVDD" ); |
1266 | if (IS_ERR(ptr: info->micvdd)) |
1267 | return dev_err_probe(dev: arizona->dev, err: PTR_ERR(ptr: info->micvdd), fmt: "getting MICVDD\n" ); |
1268 | |
1269 | mutex_init(&info->lock); |
1270 | info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS); |
1271 | INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); |
1272 | INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect); |
1273 | INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work); |
1274 | |
1275 | switch (arizona->type) { |
1276 | case WM5102: |
1277 | switch (arizona->rev) { |
1278 | case 0: |
1279 | info->micd_reva = true; |
1280 | break; |
1281 | default: |
1282 | info->micd_clamp = true; |
1283 | info->hpdet_ip_version = 1; |
1284 | break; |
1285 | } |
1286 | break; |
1287 | case WM5110: |
1288 | case WM8280: |
1289 | switch (arizona->rev) { |
1290 | case 0 ... 2: |
1291 | break; |
1292 | default: |
1293 | info->micd_clamp = true; |
1294 | info->hpdet_ip_version = 2; |
1295 | break; |
1296 | } |
1297 | break; |
1298 | case WM8998: |
1299 | case WM1814: |
1300 | info->micd_clamp = true; |
1301 | info->hpdet_ip_version = 2; |
1302 | break; |
1303 | default: |
1304 | break; |
1305 | } |
1306 | |
1307 | if (!pdata->micd_timeout) |
1308 | pdata->micd_timeout = DEFAULT_MICD_TIMEOUT; |
1309 | |
1310 | if (pdata->num_micd_configs) { |
1311 | info->micd_modes = pdata->micd_configs; |
1312 | info->micd_num_modes = pdata->num_micd_configs; |
1313 | } else { |
1314 | info->micd_modes = micd_default_modes; |
1315 | info->micd_num_modes = ARRAY_SIZE(micd_default_modes); |
1316 | } |
1317 | |
1318 | if (arizona->pdata.gpsw > 0) |
1319 | regmap_update_bits(map: arizona->regmap, ARIZONA_GP_SWITCH_1, |
1320 | ARIZONA_SW1_MODE_MASK, val: arizona->pdata.gpsw); |
1321 | |
1322 | if (pdata->micd_pol_gpio > 0) { |
1323 | if (info->micd_modes[0].gpio) |
1324 | mode = GPIOF_OUT_INIT_HIGH; |
1325 | else |
1326 | mode = GPIOF_OUT_INIT_LOW; |
1327 | |
1328 | ret = devm_gpio_request_one(dev, gpio: pdata->micd_pol_gpio, |
1329 | flags: mode, label: "MICD polarity" ); |
1330 | if (ret != 0) { |
1331 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n" , |
1332 | pdata->micd_pol_gpio, ret); |
1333 | return ret; |
1334 | } |
1335 | |
1336 | info->micd_pol_gpio = gpio_to_desc(gpio: pdata->micd_pol_gpio); |
1337 | } else { |
1338 | if (info->micd_modes[0].gpio) |
1339 | mode = GPIOD_OUT_HIGH; |
1340 | else |
1341 | mode = GPIOD_OUT_LOW; |
1342 | |
1343 | /* We can't use devm here because we need to do the get |
1344 | * against the MFD device, as that is where the of_node |
1345 | * will reside, but if we devm against that the GPIO |
1346 | * will not be freed if the extcon driver is unloaded. |
1347 | */ |
1348 | info->micd_pol_gpio = gpiod_get_optional(dev: arizona->dev, |
1349 | con_id: "wlf,micd-pol" , |
1350 | flags: mode); |
1351 | if (IS_ERR(ptr: info->micd_pol_gpio)) { |
1352 | ret = PTR_ERR(ptr: info->micd_pol_gpio); |
1353 | dev_err_probe(dev: arizona->dev, err: ret, fmt: "getting microphone polarity GPIO\n" ); |
1354 | return ret; |
1355 | } |
1356 | } |
1357 | |
1358 | if (arizona->pdata.hpdet_id_gpio > 0) { |
1359 | ret = devm_gpio_request_one(dev, gpio: arizona->pdata.hpdet_id_gpio, |
1360 | GPIOF_OUT_INIT_LOW, |
1361 | label: "HPDET" ); |
1362 | if (ret != 0) { |
1363 | dev_err(arizona->dev, "Failed to request GPIO%d: %d\n" , |
1364 | arizona->pdata.hpdet_id_gpio, ret); |
1365 | gpiod_put(desc: info->micd_pol_gpio); |
1366 | return ret; |
1367 | } |
1368 | } |
1369 | |
1370 | return 0; |
1371 | } |
1372 | EXPORT_SYMBOL_GPL(arizona_jack_codec_dev_probe); |
1373 | |
1374 | int arizona_jack_codec_dev_remove(struct arizona_priv *info) |
1375 | { |
1376 | gpiod_put(desc: info->micd_pol_gpio); |
1377 | return 0; |
1378 | } |
1379 | EXPORT_SYMBOL_GPL(arizona_jack_codec_dev_remove); |
1380 | |
1381 | static int arizona_jack_enable_jack_detect(struct arizona_priv *info, |
1382 | struct snd_soc_jack *jack) |
1383 | { |
1384 | struct arizona *arizona = info->arizona; |
1385 | struct arizona_pdata *pdata = &arizona->pdata; |
1386 | unsigned int val; |
1387 | unsigned int clamp_mode; |
1388 | int jack_irq_fall, jack_irq_rise; |
1389 | int ret, i, j; |
1390 | |
1391 | if (arizona->pdata.micd_bias_start_time) |
1392 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
1393 | ARIZONA_MICD_BIAS_STARTTIME_MASK, |
1394 | val: arizona->pdata.micd_bias_start_time |
1395 | << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); |
1396 | |
1397 | if (arizona->pdata.micd_rate) |
1398 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
1399 | ARIZONA_MICD_RATE_MASK, |
1400 | val: arizona->pdata.micd_rate |
1401 | << ARIZONA_MICD_RATE_SHIFT); |
1402 | |
1403 | switch (arizona->pdata.micd_dbtime) { |
1404 | case MICD_DBTIME_FOUR_READINGS: |
1405 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
1406 | ARIZONA_MICD_DBTIME_MASK, |
1407 | ARIZONA_MICD_DBTIME); |
1408 | break; |
1409 | case MICD_DBTIME_TWO_READINGS: |
1410 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
1411 | ARIZONA_MICD_DBTIME_MASK, val: 0); |
1412 | break; |
1413 | default: |
1414 | break; |
1415 | } |
1416 | |
1417 | BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) < |
1418 | ARIZONA_NUM_MICD_BUTTON_LEVELS); |
1419 | |
1420 | if (arizona->pdata.num_micd_ranges) { |
1421 | info->micd_ranges = pdata->micd_ranges; |
1422 | info->num_micd_ranges = pdata->num_micd_ranges; |
1423 | } else { |
1424 | info->micd_ranges = micd_default_ranges; |
1425 | info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges); |
1426 | } |
1427 | |
1428 | if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_BUTTONS) { |
1429 | dev_err(arizona->dev, "Too many MICD ranges: %d > %d\n" , |
1430 | arizona->pdata.num_micd_ranges, ARIZONA_MAX_MICD_BUTTONS); |
1431 | return -EINVAL; |
1432 | } |
1433 | |
1434 | if (info->num_micd_ranges > 1) { |
1435 | for (i = 1; i < info->num_micd_ranges; i++) { |
1436 | if (info->micd_ranges[i - 1].max > |
1437 | info->micd_ranges[i].max) { |
1438 | dev_err(arizona->dev, "MICD ranges must be sorted\n" ); |
1439 | return -EINVAL; |
1440 | } |
1441 | } |
1442 | } |
1443 | |
1444 | /* Disable all buttons by default */ |
1445 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_2, |
1446 | ARIZONA_MICD_LVL_SEL_MASK, val: 0x81); |
1447 | |
1448 | /* Set up all the buttons the user specified */ |
1449 | for (i = 0; i < info->num_micd_ranges; i++) { |
1450 | for (j = 0; j < ARIZONA_NUM_MICD_BUTTON_LEVELS; j++) |
1451 | if (arizona_micd_levels[j] >= info->micd_ranges[i].max) |
1452 | break; |
1453 | |
1454 | if (j == ARIZONA_NUM_MICD_BUTTON_LEVELS) { |
1455 | dev_err(arizona->dev, "Unsupported MICD level %d\n" , |
1456 | info->micd_ranges[i].max); |
1457 | return -EINVAL; |
1458 | } |
1459 | |
1460 | dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n" , |
1461 | arizona_micd_levels[j], i); |
1462 | |
1463 | arizona_micd_set_level(arizona, index: i, level: j); |
1464 | |
1465 | /* SND_JACK_BTN_# masks start with the most significant bit */ |
1466 | info->micd_button_mask |= SND_JACK_BTN_0 >> i; |
1467 | snd_jack_set_key(jack: jack->jack, type: SND_JACK_BTN_0 >> i, |
1468 | keytype: info->micd_ranges[i].key); |
1469 | |
1470 | /* Enable reporting of that range */ |
1471 | regmap_update_bits(map: arizona->regmap, ARIZONA_MIC_DETECT_2, |
1472 | mask: 1 << i, val: 1 << i); |
1473 | } |
1474 | |
1475 | /* Set all the remaining keys to a maximum */ |
1476 | for (; i < ARIZONA_MAX_MICD_RANGE; i++) |
1477 | arizona_micd_set_level(arizona, index: i, level: 0x3f); |
1478 | |
1479 | /* |
1480 | * If we have a clamp use it, activating in conjunction with |
1481 | * GPIO5 if that is connected for jack detect operation. |
1482 | */ |
1483 | if (info->micd_clamp) { |
1484 | if (arizona->pdata.jd_gpio5) { |
1485 | /* Put the GPIO into input mode with optional pull */ |
1486 | val = 0xc101; |
1487 | if (arizona->pdata.jd_gpio5_nopull) |
1488 | val &= ~ARIZONA_GPN_PU; |
1489 | |
1490 | regmap_write(map: arizona->regmap, ARIZONA_GPIO5_CTRL, |
1491 | val); |
1492 | |
1493 | if (arizona->pdata.jd_invert) |
1494 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; |
1495 | else |
1496 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; |
1497 | } else { |
1498 | if (arizona->pdata.jd_invert) |
1499 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH; |
1500 | else |
1501 | clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL; |
1502 | } |
1503 | |
1504 | regmap_update_bits(map: arizona->regmap, |
1505 | ARIZONA_MICD_CLAMP_CONTROL, |
1506 | ARIZONA_MICD_CLAMP_MODE_MASK, val: clamp_mode); |
1507 | |
1508 | regmap_update_bits(map: arizona->regmap, |
1509 | ARIZONA_JACK_DETECT_DEBOUNCE, |
1510 | ARIZONA_MICD_CLAMP_DB, |
1511 | ARIZONA_MICD_CLAMP_DB); |
1512 | } |
1513 | |
1514 | arizona_extcon_set_mode(info, mode: 0); |
1515 | |
1516 | info->jack = jack; |
1517 | |
1518 | pm_runtime_get_sync(dev: arizona->dev); |
1519 | |
1520 | if (info->micd_clamp) { |
1521 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1522 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; |
1523 | } else { |
1524 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; |
1525 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; |
1526 | } |
1527 | |
1528 | ret = arizona_request_irq(arizona, irq: jack_irq_rise, |
1529 | name: "JACKDET rise" , handler: arizona_jackdet, data: info); |
1530 | if (ret != 0) { |
1531 | dev_err(arizona->dev, "Failed to get JACKDET rise IRQ: %d\n" , ret); |
1532 | goto err_pm; |
1533 | } |
1534 | |
1535 | ret = arizona_set_irq_wake(arizona, irq: jack_irq_rise, on: 1); |
1536 | if (ret != 0) { |
1537 | dev_err(arizona->dev, "Failed to set JD rise IRQ wake: %d\n" , ret); |
1538 | goto err_rise; |
1539 | } |
1540 | |
1541 | ret = arizona_request_irq(arizona, irq: jack_irq_fall, |
1542 | name: "JACKDET fall" , handler: arizona_jackdet, data: info); |
1543 | if (ret != 0) { |
1544 | dev_err(arizona->dev, "Failed to get JD fall IRQ: %d\n" , ret); |
1545 | goto err_rise_wake; |
1546 | } |
1547 | |
1548 | ret = arizona_set_irq_wake(arizona, irq: jack_irq_fall, on: 1); |
1549 | if (ret != 0) { |
1550 | dev_err(arizona->dev, "Failed to set JD fall IRQ wake: %d\n" , ret); |
1551 | goto err_fall; |
1552 | } |
1553 | |
1554 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, |
1555 | name: "MICDET" , handler: arizona_micdet, data: info); |
1556 | if (ret != 0) { |
1557 | dev_err(arizona->dev, "Failed to get MICDET IRQ: %d\n" , ret); |
1558 | goto err_fall_wake; |
1559 | } |
1560 | |
1561 | ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, |
1562 | name: "HPDET" , handler: arizona_hpdet_irq, data: info); |
1563 | if (ret != 0) { |
1564 | dev_err(arizona->dev, "Failed to get HPDET IRQ: %d\n" , ret); |
1565 | goto err_micdet; |
1566 | } |
1567 | |
1568 | arizona_clk32k_enable(arizona); |
1569 | regmap_update_bits(map: arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, |
1570 | ARIZONA_JD1_DB, ARIZONA_JD1_DB); |
1571 | regmap_update_bits(map: arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1572 | ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); |
1573 | |
1574 | ret = regulator_allow_bypass(regulator: info->micvdd, allow: true); |
1575 | if (ret != 0) |
1576 | dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n" , ret); |
1577 | |
1578 | pm_runtime_put(dev: arizona->dev); |
1579 | |
1580 | return 0; |
1581 | |
1582 | err_micdet: |
1583 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, data: info); |
1584 | err_fall_wake: |
1585 | arizona_set_irq_wake(arizona, irq: jack_irq_fall, on: 0); |
1586 | err_fall: |
1587 | arizona_free_irq(arizona, irq: jack_irq_fall, data: info); |
1588 | err_rise_wake: |
1589 | arizona_set_irq_wake(arizona, irq: jack_irq_rise, on: 0); |
1590 | err_rise: |
1591 | arizona_free_irq(arizona, irq: jack_irq_rise, data: info); |
1592 | err_pm: |
1593 | pm_runtime_put(dev: arizona->dev); |
1594 | info->jack = NULL; |
1595 | return ret; |
1596 | } |
1597 | |
1598 | static int arizona_jack_disable_jack_detect(struct arizona_priv *info) |
1599 | { |
1600 | struct arizona *arizona = info->arizona; |
1601 | int jack_irq_rise, jack_irq_fall; |
1602 | bool change; |
1603 | int ret; |
1604 | |
1605 | if (!info->jack) |
1606 | return 0; |
1607 | |
1608 | if (info->micd_clamp) { |
1609 | jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; |
1610 | jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; |
1611 | } else { |
1612 | jack_irq_rise = ARIZONA_IRQ_JD_RISE; |
1613 | jack_irq_fall = ARIZONA_IRQ_JD_FALL; |
1614 | } |
1615 | |
1616 | arizona_set_irq_wake(arizona, irq: jack_irq_rise, on: 0); |
1617 | arizona_set_irq_wake(arizona, irq: jack_irq_fall, on: 0); |
1618 | arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, data: info); |
1619 | arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, data: info); |
1620 | arizona_free_irq(arizona, irq: jack_irq_rise, data: info); |
1621 | arizona_free_irq(arizona, irq: jack_irq_fall, data: info); |
1622 | cancel_delayed_work_sync(dwork: &info->hpdet_work); |
1623 | cancel_delayed_work_sync(dwork: &info->micd_detect_work); |
1624 | cancel_delayed_work_sync(dwork: &info->micd_timeout_work); |
1625 | |
1626 | ret = regmap_update_bits_check(map: arizona->regmap, ARIZONA_MIC_DETECT_1, |
1627 | ARIZONA_MICD_ENA, val: 0, |
1628 | change: &change); |
1629 | if (ret < 0) { |
1630 | dev_err(arizona->dev, "Failed to disable micd on remove: %d\n" , ret); |
1631 | } else if (change) { |
1632 | regulator_disable(regulator: info->micvdd); |
1633 | pm_runtime_put(dev: arizona->dev); |
1634 | } |
1635 | |
1636 | regmap_update_bits(map: arizona->regmap, |
1637 | ARIZONA_MICD_CLAMP_CONTROL, |
1638 | ARIZONA_MICD_CLAMP_MODE_MASK, val: 0); |
1639 | regmap_update_bits(map: arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, |
1640 | ARIZONA_JD1_ENA, val: 0); |
1641 | arizona_clk32k_disable(arizona); |
1642 | info->jack = NULL; |
1643 | |
1644 | return 0; |
1645 | } |
1646 | |
1647 | int arizona_jack_set_jack(struct snd_soc_component *component, |
1648 | struct snd_soc_jack *jack, void *data) |
1649 | { |
1650 | struct arizona_priv *info = snd_soc_component_get_drvdata(c: component); |
1651 | |
1652 | if (jack) |
1653 | return arizona_jack_enable_jack_detect(info, jack); |
1654 | else |
1655 | return arizona_jack_disable_jack_detect(info); |
1656 | } |
1657 | EXPORT_SYMBOL_GPL(arizona_jack_set_jack); |
1658 | |