Commit | Line | Data |
---|---|---|
1835a0f9 TI |
1 | /* |
2 | * Jack-detection handling for HD-audio | |
3 | * | |
4 | * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de> | |
5 | * | |
6 | * This driver 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 | ||
12 | #include <linux/init.h> | |
13 | #include <linux/slab.h> | |
bf815bf0 | 14 | #include <linux/export.h> |
1835a0f9 | 15 | #include <sound/core.h> |
01a61e12 | 16 | #include <sound/control.h> |
aad37dbd | 17 | #include <sound/jack.h> |
1835a0f9 TI |
18 | #include "hda_codec.h" |
19 | #include "hda_local.h" | |
128bc4ba | 20 | #include "hda_auto_parser.h" |
1835a0f9 TI |
21 | #include "hda_jack.h" |
22 | ||
a9c74173 TI |
23 | bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid) |
24 | { | |
71b1e9e4 TI |
25 | if (codec->no_jack_detect) |
26 | return false; | |
a9c74173 TI |
27 | if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT)) |
28 | return false; | |
5fe8e1e6 DH |
29 | if (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) & |
30 | AC_DEFCFG_MISC_NO_PRESENCE) | |
a9c74173 TI |
31 | return false; |
32 | if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP)) | |
33 | return false; | |
34 | return true; | |
35 | } | |
36 | EXPORT_SYMBOL_HDA(is_jack_detectable); | |
37 | ||
1835a0f9 TI |
38 | /* execute pin sense measurement */ |
39 | static u32 read_pin_sense(struct hda_codec *codec, hda_nid_t nid) | |
40 | { | |
41 | u32 pincap; | |
42 | ||
43 | if (!codec->no_trigger_sense) { | |
44 | pincap = snd_hda_query_pin_caps(codec, nid); | |
45 | if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */ | |
46 | snd_hda_codec_read(codec, nid, 0, | |
47 | AC_VERB_SET_PIN_SENSE, 0); | |
48 | } | |
49 | return snd_hda_codec_read(codec, nid, 0, | |
50 | AC_VERB_GET_PIN_SENSE, 0); | |
51 | } | |
52 | ||
53 | /** | |
54 | * snd_hda_jack_tbl_get - query the jack-table entry for the given NID | |
55 | */ | |
56 | struct hda_jack_tbl * | |
57 | snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid) | |
58 | { | |
59 | struct hda_jack_tbl *jack = codec->jacktbl.list; | |
60 | int i; | |
61 | ||
62 | if (!nid || !jack) | |
63 | return NULL; | |
64 | for (i = 0; i < codec->jacktbl.used; i++, jack++) | |
65 | if (jack->nid == nid) | |
66 | return jack; | |
67 | return NULL; | |
68 | } | |
69 | EXPORT_SYMBOL_HDA(snd_hda_jack_tbl_get); | |
70 | ||
3a93897e TI |
71 | /** |
72 | * snd_hda_jack_tbl_get_from_tag - query the jack-table entry for the given tag | |
73 | */ | |
74 | struct hda_jack_tbl * | |
75 | snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag) | |
76 | { | |
77 | struct hda_jack_tbl *jack = codec->jacktbl.list; | |
78 | int i; | |
79 | ||
80 | if (!tag || !jack) | |
81 | return NULL; | |
82 | for (i = 0; i < codec->jacktbl.used; i++, jack++) | |
83 | if (jack->tag == tag) | |
84 | return jack; | |
85 | return NULL; | |
86 | } | |
87 | EXPORT_SYMBOL_HDA(snd_hda_jack_tbl_get_from_tag); | |
88 | ||
1835a0f9 TI |
89 | /** |
90 | * snd_hda_jack_tbl_new - create a jack-table entry for the given NID | |
91 | */ | |
92 | struct hda_jack_tbl * | |
93 | snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid) | |
94 | { | |
95 | struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid); | |
96 | if (jack) | |
97 | return jack; | |
1835a0f9 TI |
98 | jack = snd_array_new(&codec->jacktbl); |
99 | if (!jack) | |
100 | return NULL; | |
101 | jack->nid = nid; | |
102 | jack->jack_dirty = 1; | |
3a93897e | 103 | jack->tag = codec->jacktbl.used; |
1835a0f9 TI |
104 | return jack; |
105 | } | |
d1cb6200 | 106 | EXPORT_SYMBOL_HDA(snd_hda_jack_tbl_new); |
1835a0f9 TI |
107 | |
108 | void snd_hda_jack_tbl_clear(struct hda_codec *codec) | |
109 | { | |
31ef2257 TI |
110 | #ifdef CONFIG_SND_HDA_INPUT_JACK |
111 | /* free jack instances manually when clearing/reconfiguring */ | |
112 | if (!codec->bus->shutdown && codec->jacktbl.list) { | |
113 | struct hda_jack_tbl *jack = codec->jacktbl.list; | |
114 | int i; | |
115 | for (i = 0; i < codec->jacktbl.used; i++, jack++) { | |
116 | if (jack->jack) | |
117 | snd_device_free(codec->bus->card, jack->jack); | |
118 | } | |
119 | } | |
120 | #endif | |
1835a0f9 TI |
121 | snd_array_free(&codec->jacktbl); |
122 | } | |
123 | ||
0619ba8c DR |
124 | #define get_jack_plug_state(sense) !!(sense & AC_PINSENSE_PRESENCE) |
125 | ||
1835a0f9 TI |
126 | /* update the cached value and notification flag if needed */ |
127 | static void jack_detect_update(struct hda_codec *codec, | |
128 | struct hda_jack_tbl *jack) | |
129 | { | |
80c8bfbe DH |
130 | if (!jack->jack_dirty) |
131 | return; | |
132 | ||
133 | if (jack->phantom_jack) | |
134 | jack->pin_sense = AC_PINSENSE_PRESENCE; | |
135 | else | |
35be544a | 136 | jack->pin_sense = read_pin_sense(codec, jack->nid); |
80c8bfbe | 137 | |
0619ba8c DR |
138 | /* A gating jack indicates the jack is invalid if gating is unplugged */ |
139 | if (jack->gating_jack && !snd_hda_jack_detect(codec, jack->gating_jack)) | |
140 | jack->pin_sense &= ~AC_PINSENSE_PRESENCE; | |
141 | ||
80c8bfbe | 142 | jack->jack_dirty = 0; |
0619ba8c DR |
143 | |
144 | /* If a jack is gated by this one update it. */ | |
145 | if (jack->gated_jack) { | |
146 | struct hda_jack_tbl *gated = | |
147 | snd_hda_jack_tbl_get(codec, jack->gated_jack); | |
148 | if (gated) { | |
149 | gated->jack_dirty = 1; | |
150 | jack_detect_update(codec, gated); | |
151 | } | |
152 | } | |
1835a0f9 TI |
153 | } |
154 | ||
155 | /** | |
156 | * snd_hda_set_dirty_all - Mark all the cached as dirty | |
157 | * | |
158 | * This function sets the dirty flag to all entries of jack table. | |
159 | * It's called from the resume path in hda_codec.c. | |
160 | */ | |
161 | void snd_hda_jack_set_dirty_all(struct hda_codec *codec) | |
162 | { | |
163 | struct hda_jack_tbl *jack = codec->jacktbl.list; | |
164 | int i; | |
165 | ||
166 | for (i = 0; i < codec->jacktbl.used; i++, jack++) | |
167 | if (jack->nid) | |
168 | jack->jack_dirty = 1; | |
169 | } | |
170 | EXPORT_SYMBOL_HDA(snd_hda_jack_set_dirty_all); | |
171 | ||
172 | /** | |
173 | * snd_hda_pin_sense - execute pin sense measurement | |
174 | * @codec: the CODEC to sense | |
175 | * @nid: the pin NID to sense | |
176 | * | |
177 | * Execute necessary pin sense measurement and return its Presence Detect, | |
178 | * Impedance, ELD Valid etc. status bits. | |
179 | */ | |
180 | u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid) | |
181 | { | |
182 | struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid); | |
183 | if (jack) { | |
184 | jack_detect_update(codec, jack); | |
185 | return jack->pin_sense; | |
186 | } | |
187 | return read_pin_sense(codec, nid); | |
188 | } | |
189 | EXPORT_SYMBOL_HDA(snd_hda_pin_sense); | |
190 | ||
191 | /** | |
192 | * snd_hda_jack_detect - query pin Presence Detect status | |
193 | * @codec: the CODEC to sense | |
194 | * @nid: the pin NID to sense | |
195 | * | |
196 | * Query and return the pin's Presence Detect status. | |
197 | */ | |
198 | int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) | |
199 | { | |
200 | u32 sense = snd_hda_pin_sense(codec, nid); | |
35be544a | 201 | return get_jack_plug_state(sense); |
1835a0f9 TI |
202 | } |
203 | EXPORT_SYMBOL_HDA(snd_hda_jack_detect); | |
204 | ||
205 | /** | |
206 | * snd_hda_jack_detect_enable - enable the jack-detection | |
207 | */ | |
954df2a9 DH |
208 | int snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid, |
209 | unsigned char action, | |
210 | hda_jack_callback cb) | |
1835a0f9 TI |
211 | { |
212 | struct hda_jack_tbl *jack = snd_hda_jack_tbl_new(codec, nid); | |
213 | if (!jack) | |
214 | return -ENOMEM; | |
3a93897e | 215 | if (jack->jack_detect) |
01a61e12 | 216 | return 0; /* already registered */ |
3a93897e TI |
217 | jack->jack_detect = 1; |
218 | if (action) | |
219 | jack->action = action; | |
954df2a9 DH |
220 | if (cb) |
221 | jack->callback = cb; | |
34a93187 DH |
222 | if (codec->jackpoll_interval > 0) |
223 | return 0; /* No unsol if we're polling instead */ | |
1835a0f9 TI |
224 | return snd_hda_codec_write_cache(codec, nid, 0, |
225 | AC_VERB_SET_UNSOLICITED_ENABLE, | |
3a93897e | 226 | AC_USRSP_EN | jack->tag); |
1835a0f9 | 227 | } |
954df2a9 DH |
228 | EXPORT_SYMBOL_HDA(snd_hda_jack_detect_enable_callback); |
229 | ||
230 | int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid, | |
231 | unsigned char action) | |
232 | { | |
233 | return snd_hda_jack_detect_enable_callback(codec, nid, action, NULL); | |
234 | } | |
1835a0f9 | 235 | EXPORT_SYMBOL_HDA(snd_hda_jack_detect_enable); |
01a61e12 | 236 | |
0619ba8c DR |
237 | /** |
238 | * snd_hda_jack_set_gating_jack - Set gating jack. | |
239 | * | |
240 | * Indicates the gated jack is only valid when the gating jack is plugged. | |
241 | */ | |
242 | int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid, | |
243 | hda_nid_t gating_nid) | |
244 | { | |
245 | struct hda_jack_tbl *gated = snd_hda_jack_tbl_get(codec, gated_nid); | |
246 | struct hda_jack_tbl *gating = snd_hda_jack_tbl_get(codec, gating_nid); | |
247 | ||
248 | if (!gated || !gating) | |
249 | return -EINVAL; | |
250 | ||
251 | gated->gating_jack = gating_nid; | |
252 | gating->gated_jack = gated_nid; | |
253 | ||
254 | return 0; | |
255 | } | |
256 | EXPORT_SYMBOL_HDA(snd_hda_jack_set_gating_jack); | |
257 | ||
01a61e12 TI |
258 | /** |
259 | * snd_hda_jack_report_sync - sync the states of all jacks and report if changed | |
260 | */ | |
261 | void snd_hda_jack_report_sync(struct hda_codec *codec) | |
262 | { | |
0619ba8c | 263 | struct hda_jack_tbl *jack; |
35be544a | 264 | int i, state; |
01a61e12 | 265 | |
0619ba8c DR |
266 | /* update all jacks at first */ |
267 | jack = codec->jacktbl.list; | |
01a61e12 | 268 | for (i = 0; i < codec->jacktbl.used; i++, jack++) |
0619ba8c | 269 | if (jack->nid) |
01a61e12 | 270 | jack_detect_update(codec, jack); |
0619ba8c DR |
271 | |
272 | /* report the updated jacks; it's done after updating all jacks | |
273 | * to make sure that all gating jacks properly have been set | |
274 | */ | |
275 | jack = codec->jacktbl.list; | |
276 | for (i = 0; i < codec->jacktbl.used; i++, jack++) | |
277 | if (jack->nid) { | |
cfc7c9d3 TI |
278 | if (!jack->kctl) |
279 | continue; | |
35be544a | 280 | state = get_jack_plug_state(jack->pin_sense); |
aad37dbd | 281 | snd_kctl_jack_report(codec->bus->card, jack->kctl, state); |
31ef2257 TI |
282 | #ifdef CONFIG_SND_HDA_INPUT_JACK |
283 | if (jack->jack) | |
284 | snd_jack_report(jack->jack, | |
285 | state ? jack->type : 0); | |
286 | #endif | |
01a61e12 TI |
287 | } |
288 | } | |
289 | EXPORT_SYMBOL_HDA(snd_hda_jack_report_sync); | |
290 | ||
31ef2257 TI |
291 | #ifdef CONFIG_SND_HDA_INPUT_JACK |
292 | /* guess the jack type from the pin-config */ | |
293 | static int get_input_jack_type(struct hda_codec *codec, hda_nid_t nid) | |
294 | { | |
295 | unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); | |
296 | switch (get_defcfg_device(def_conf)) { | |
297 | case AC_JACK_LINE_OUT: | |
298 | case AC_JACK_SPEAKER: | |
299 | return SND_JACK_LINEOUT; | |
300 | case AC_JACK_HP_OUT: | |
301 | return SND_JACK_HEADPHONE; | |
302 | case AC_JACK_SPDIF_OUT: | |
303 | case AC_JACK_DIG_OTHER_OUT: | |
304 | return SND_JACK_AVOUT; | |
305 | case AC_JACK_MIC_IN: | |
306 | return SND_JACK_MICROPHONE; | |
307 | default: | |
308 | return SND_JACK_LINEIN; | |
309 | } | |
310 | } | |
311 | ||
312 | static void hda_free_jack_priv(struct snd_jack *jack) | |
313 | { | |
314 | struct hda_jack_tbl *jacks = jack->private_data; | |
315 | jacks->nid = 0; | |
316 | jacks->jack = NULL; | |
317 | } | |
318 | #endif | |
319 | ||
01a61e12 TI |
320 | /** |
321 | * snd_hda_jack_add_kctl - Add a kctl for the given pin | |
322 | * | |
323 | * This assigns a jack-detection kctl to the given pin. The kcontrol | |
324 | * will have the given name and index. | |
325 | */ | |
80c8bfbe DH |
326 | static int __snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, |
327 | const char *name, int idx, bool phantom_jack) | |
01a61e12 TI |
328 | { |
329 | struct hda_jack_tbl *jack; | |
330 | struct snd_kcontrol *kctl; | |
31ef2257 | 331 | int err, state; |
01a61e12 | 332 | |
3a93897e | 333 | jack = snd_hda_jack_tbl_new(codec, nid); |
01a61e12 TI |
334 | if (!jack) |
335 | return 0; | |
336 | if (jack->kctl) | |
337 | return 0; /* already created */ | |
35be544a | 338 | kctl = snd_kctl_jack_new(name, idx, codec); |
01a61e12 TI |
339 | if (!kctl) |
340 | return -ENOMEM; | |
31ef2257 TI |
341 | err = snd_hda_ctl_add(codec, nid, kctl); |
342 | if (err < 0) | |
343 | return err; | |
01a61e12 | 344 | jack->kctl = kctl; |
80c8bfbe DH |
345 | jack->phantom_jack = !!phantom_jack; |
346 | ||
31ef2257 TI |
347 | state = snd_hda_jack_detect(codec, nid); |
348 | snd_kctl_jack_report(codec->bus->card, kctl, state); | |
349 | #ifdef CONFIG_SND_HDA_INPUT_JACK | |
80c8bfbe DH |
350 | if (!phantom_jack) { |
351 | jack->type = get_input_jack_type(codec, nid); | |
352 | err = snd_jack_new(codec->bus->card, name, jack->type, | |
353 | &jack->jack); | |
354 | if (err < 0) | |
355 | return err; | |
356 | jack->jack->private_data = jack; | |
357 | jack->jack->private_free = hda_free_jack_priv; | |
358 | snd_jack_report(jack->jack, state ? jack->type : 0); | |
359 | } | |
31ef2257 | 360 | #endif |
01a61e12 TI |
361 | return 0; |
362 | } | |
80c8bfbe DH |
363 | |
364 | int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, | |
365 | const char *name, int idx) | |
366 | { | |
367 | return __snd_hda_jack_add_kctl(codec, nid, name, idx, false); | |
368 | } | |
d1cb6200 | 369 | EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctl); |
01a61e12 | 370 | |
f46c3296 TI |
371 | /* get the unique index number for the given kctl name */ |
372 | static int get_unique_index(struct hda_codec *codec, const char *name, int idx) | |
373 | { | |
374 | struct hda_jack_tbl *jack; | |
375 | int i, len = strlen(name); | |
376 | again: | |
377 | jack = codec->jacktbl.list; | |
378 | for (i = 0; i < codec->jacktbl.used; i++, jack++) { | |
379 | /* jack->kctl.id contains "XXX Jack" name string with index */ | |
380 | if (jack->kctl && | |
381 | !strncmp(name, jack->kctl->id.name, len) && | |
382 | !strcmp(" Jack", jack->kctl->id.name + len) && | |
383 | jack->kctl->id.index == idx) { | |
384 | idx++; | |
385 | goto again; | |
386 | } | |
387 | } | |
388 | return idx; | |
389 | } | |
390 | ||
201e06ff | 391 | static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid, |
f46c3296 | 392 | const struct auto_pin_cfg *cfg) |
01a61e12 | 393 | { |
3a93897e | 394 | unsigned int def_conf, conn; |
201e06ff TI |
395 | char name[44]; |
396 | int idx, err; | |
80c8bfbe | 397 | bool phantom_jack; |
3a93897e | 398 | |
01a61e12 TI |
399 | if (!nid) |
400 | return 0; | |
3a93897e TI |
401 | def_conf = snd_hda_codec_get_pincfg(codec, nid); |
402 | conn = get_defcfg_connect(def_conf); | |
80c8bfbe | 403 | if (conn == AC_JACK_PORT_NONE) |
3a93897e | 404 | return 0; |
80c8bfbe DH |
405 | phantom_jack = (conn != AC_JACK_PORT_COMPLEX) || |
406 | !is_jack_detectable(codec, nid); | |
3a93897e | 407 | |
201e06ff | 408 | snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), &idx); |
80c8bfbe DH |
409 | if (phantom_jack) |
410 | /* Example final name: "Internal Mic Phantom Jack" */ | |
411 | strncat(name, " Phantom", sizeof(name) - strlen(name) - 1); | |
f46c3296 | 412 | idx = get_unique_index(codec, name, idx); |
80c8bfbe | 413 | err = __snd_hda_jack_add_kctl(codec, nid, name, idx, phantom_jack); |
3a93897e TI |
414 | if (err < 0) |
415 | return err; | |
80c8bfbe DH |
416 | |
417 | if (!phantom_jack) | |
418 | return snd_hda_jack_detect_enable(codec, nid, 0); | |
419 | return 0; | |
01a61e12 TI |
420 | } |
421 | ||
422 | /** | |
423 | * snd_hda_jack_add_kctls - Add kctls for all pins included in the given pincfg | |
01a61e12 TI |
424 | */ |
425 | int snd_hda_jack_add_kctls(struct hda_codec *codec, | |
426 | const struct auto_pin_cfg *cfg) | |
427 | { | |
428 | const hda_nid_t *p; | |
f46c3296 | 429 | int i, err; |
01a61e12 TI |
430 | |
431 | for (i = 0, p = cfg->line_out_pins; i < cfg->line_outs; i++, p++) { | |
f46c3296 | 432 | err = add_jack_kctl(codec, *p, cfg); |
01a61e12 TI |
433 | if (err < 0) |
434 | return err; | |
435 | } | |
436 | for (i = 0, p = cfg->hp_pins; i < cfg->hp_outs; i++, p++) { | |
437 | if (*p == *cfg->line_out_pins) /* might be duplicated */ | |
438 | break; | |
f46c3296 | 439 | err = add_jack_kctl(codec, *p, cfg); |
01a61e12 TI |
440 | if (err < 0) |
441 | return err; | |
442 | } | |
443 | for (i = 0, p = cfg->speaker_pins; i < cfg->speaker_outs; i++, p++) { | |
444 | if (*p == *cfg->line_out_pins) /* might be duplicated */ | |
445 | break; | |
f46c3296 | 446 | err = add_jack_kctl(codec, *p, cfg); |
01a61e12 TI |
447 | if (err < 0) |
448 | return err; | |
449 | } | |
450 | for (i = 0; i < cfg->num_inputs; i++) { | |
f46c3296 | 451 | err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg); |
01a61e12 TI |
452 | if (err < 0) |
453 | return err; | |
454 | } | |
455 | for (i = 0, p = cfg->dig_out_pins; i < cfg->dig_outs; i++, p++) { | |
f46c3296 | 456 | err = add_jack_kctl(codec, *p, cfg); |
01a61e12 TI |
457 | if (err < 0) |
458 | return err; | |
459 | } | |
f46c3296 | 460 | err = add_jack_kctl(codec, cfg->dig_in_pin, cfg); |
01a61e12 TI |
461 | if (err < 0) |
462 | return err; | |
f46c3296 | 463 | err = add_jack_kctl(codec, cfg->mono_out_pin, cfg); |
01a61e12 TI |
464 | if (err < 0) |
465 | return err; | |
466 | return 0; | |
467 | } | |
468 | EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctls); | |
954df2a9 | 469 | |
0619ba8c DR |
470 | static void call_jack_callback(struct hda_codec *codec, |
471 | struct hda_jack_tbl *jack) | |
472 | { | |
473 | if (jack->callback) | |
474 | jack->callback(codec, jack); | |
475 | if (jack->gated_jack) { | |
476 | struct hda_jack_tbl *gated = | |
477 | snd_hda_jack_tbl_get(codec, jack->gated_jack); | |
478 | if (gated && gated->callback) | |
479 | gated->callback(codec, gated); | |
480 | } | |
481 | } | |
482 | ||
954df2a9 DH |
483 | void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res) |
484 | { | |
485 | struct hda_jack_tbl *event; | |
486 | int tag = (res >> AC_UNSOL_RES_TAG_SHIFT) & 0x7f; | |
487 | ||
488 | event = snd_hda_jack_tbl_get_from_tag(codec, tag); | |
489 | if (!event) | |
490 | return; | |
491 | event->jack_dirty = 1; | |
492 | ||
0619ba8c | 493 | call_jack_callback(codec, event); |
954df2a9 DH |
494 | snd_hda_jack_report_sync(codec); |
495 | } | |
496 | EXPORT_SYMBOL_HDA(snd_hda_jack_unsol_event); | |
497 | ||
26a6cb6c DH |
498 | void snd_hda_jack_poll_all(struct hda_codec *codec) |
499 | { | |
500 | struct hda_jack_tbl *jack = codec->jacktbl.list; | |
501 | int i, changes = 0; | |
502 | ||
503 | for (i = 0; i < codec->jacktbl.used; i++, jack++) { | |
504 | unsigned int old_sense; | |
505 | if (!jack->nid || !jack->jack_dirty || jack->phantom_jack) | |
506 | continue; | |
507 | old_sense = get_jack_plug_state(jack->pin_sense); | |
508 | jack_detect_update(codec, jack); | |
509 | if (old_sense == get_jack_plug_state(jack->pin_sense)) | |
510 | continue; | |
511 | changes = 1; | |
0619ba8c | 512 | call_jack_callback(codec, jack); |
26a6cb6c DH |
513 | } |
514 | if (changes) | |
515 | snd_hda_jack_report_sync(codec); | |
516 | } | |
517 | EXPORT_SYMBOL_HDA(snd_hda_jack_poll_all); | |
518 |