1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // soc-component.c
4 //
5 // Copyright 2009-2011 Wolfson Microelectronics PLC.
6 // Copyright (C) 2019 Renesas Electronics Corp.
7 //
8 // Mark Brown <broonie@opensource.wolfsonmicro.com>
9 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
10 //
11 #include <linux/module.h>
12 #include <linux/pm_runtime.h>
13 #include <sound/soc.h>
14 #include <linux/bitops.h>
15
16 #define soc_component_ret(dai, ret) _soc_component_ret(dai, __func__, ret, -1)
17 #define soc_component_ret_reg_rw(dai, ret, reg) _soc_component_ret(dai, __func__, ret, reg)
_soc_component_ret(struct snd_soc_component * component,const char * func,int ret,int reg)18 static inline int _soc_component_ret(struct snd_soc_component *component,
19 const char *func, int ret, int reg)
20 {
21 /* Positive/Zero values are not errors */
22 if (ret >= 0)
23 return ret;
24
25 /* Negative values might be errors */
26 switch (ret) {
27 case -EPROBE_DEFER:
28 case -ENOTSUPP:
29 break;
30 default:
31 if (reg == -1)
32 dev_err(component->dev,
33 "ASoC: error at %s on %s: %d\n",
34 func, component->name, ret);
35 else
36 dev_err(component->dev,
37 "ASoC: error at %s on %s for register: [0x%08x] %d\n",
38 func, component->name, reg, ret);
39 }
40
41 return ret;
42 }
43
soc_component_field_shift(struct snd_soc_component * component,unsigned int mask)44 static inline int soc_component_field_shift(struct snd_soc_component *component,
45 unsigned int mask)
46 {
47 if (!mask) {
48 dev_err(component->dev, "ASoC: error field mask is zero for %s\n",
49 component->name);
50 return 0;
51 }
52
53 return (ffs(mask) - 1);
54 }
55
56 /*
57 * We might want to check substream by using list.
58 * In such case, we can update these macros.
59 */
60 #define soc_component_mark_push(component, substream, tgt) ((component)->mark_##tgt = substream)
61 #define soc_component_mark_pop(component, substream, tgt) ((component)->mark_##tgt = NULL)
62 #define soc_component_mark_match(component, substream, tgt) ((component)->mark_##tgt == substream)
63
snd_soc_component_set_aux(struct snd_soc_component * component,struct snd_soc_aux_dev * aux)64 void snd_soc_component_set_aux(struct snd_soc_component *component,
65 struct snd_soc_aux_dev *aux)
66 {
67 component->init = (aux) ? aux->init : NULL;
68 }
69
snd_soc_component_init(struct snd_soc_component * component)70 int snd_soc_component_init(struct snd_soc_component *component)
71 {
72 int ret = 0;
73
74 if (component->init)
75 ret = component->init(component);
76
77 return soc_component_ret(component, ret);
78 }
79
80 /**
81 * snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
82 * @component: COMPONENT
83 * @clk_id: DAI specific clock ID
84 * @source: Source for the clock
85 * @freq: new clock frequency in Hz
86 * @dir: new clock direction - input/output.
87 *
88 * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
89 */
snd_soc_component_set_sysclk(struct snd_soc_component * component,int clk_id,int source,unsigned int freq,int dir)90 int snd_soc_component_set_sysclk(struct snd_soc_component *component,
91 int clk_id, int source, unsigned int freq,
92 int dir)
93 {
94 int ret = -ENOTSUPP;
95
96 if (component->driver->set_sysclk)
97 ret = component->driver->set_sysclk(component, clk_id, source,
98 freq, dir);
99
100 return soc_component_ret(component, ret);
101 }
102 EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk);
103
104 /*
105 * snd_soc_component_set_pll - configure component PLL.
106 * @component: COMPONENT
107 * @pll_id: DAI specific PLL ID
108 * @source: DAI specific source for the PLL
109 * @freq_in: PLL input clock frequency in Hz
110 * @freq_out: requested PLL output clock frequency in Hz
111 *
112 * Configures and enables PLL to generate output clock based on input clock.
113 */
snd_soc_component_set_pll(struct snd_soc_component * component,int pll_id,int source,unsigned int freq_in,unsigned int freq_out)114 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
115 int source, unsigned int freq_in,
116 unsigned int freq_out)
117 {
118 int ret = -EINVAL;
119
120 if (component->driver->set_pll)
121 ret = component->driver->set_pll(component, pll_id, source,
122 freq_in, freq_out);
123
124 return soc_component_ret(component, ret);
125 }
126 EXPORT_SYMBOL_GPL(snd_soc_component_set_pll);
127
snd_soc_component_seq_notifier(struct snd_soc_component * component,enum snd_soc_dapm_type type,int subseq)128 void snd_soc_component_seq_notifier(struct snd_soc_component *component,
129 enum snd_soc_dapm_type type, int subseq)
130 {
131 if (component->driver->seq_notifier)
132 component->driver->seq_notifier(component, type, subseq);
133 }
134
snd_soc_component_stream_event(struct snd_soc_component * component,int event)135 int snd_soc_component_stream_event(struct snd_soc_component *component,
136 int event)
137 {
138 int ret = 0;
139
140 if (component->driver->stream_event)
141 ret = component->driver->stream_event(component, event);
142
143 return soc_component_ret(component, ret);
144 }
145
snd_soc_component_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)146 int snd_soc_component_set_bias_level(struct snd_soc_component *component,
147 enum snd_soc_bias_level level)
148 {
149 int ret = 0;
150
151 if (component->driver->set_bias_level)
152 ret = component->driver->set_bias_level(component, level);
153
154 return soc_component_ret(component, ret);
155 }
156
snd_soc_component_enable_pin(struct snd_soc_component * component,const char * pin)157 int snd_soc_component_enable_pin(struct snd_soc_component *component,
158 const char *pin)
159 {
160 struct snd_soc_dapm_context *dapm =
161 snd_soc_component_get_dapm(component);
162 return snd_soc_dapm_enable_pin(dapm, pin);
163 }
164 EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin);
165
snd_soc_component_enable_pin_unlocked(struct snd_soc_component * component,const char * pin)166 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
167 const char *pin)
168 {
169 struct snd_soc_dapm_context *dapm =
170 snd_soc_component_get_dapm(component);
171 return snd_soc_dapm_enable_pin_unlocked(dapm, pin);
172 }
173 EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin_unlocked);
174
snd_soc_component_disable_pin(struct snd_soc_component * component,const char * pin)175 int snd_soc_component_disable_pin(struct snd_soc_component *component,
176 const char *pin)
177 {
178 struct snd_soc_dapm_context *dapm =
179 snd_soc_component_get_dapm(component);
180 return snd_soc_dapm_disable_pin(dapm, pin);
181 }
182 EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin);
183
snd_soc_component_disable_pin_unlocked(struct snd_soc_component * component,const char * pin)184 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
185 const char *pin)
186 {
187 struct snd_soc_dapm_context *dapm =
188 snd_soc_component_get_dapm(component);
189 return snd_soc_dapm_disable_pin_unlocked(dapm, pin);
190 }
191 EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin_unlocked);
192
snd_soc_component_nc_pin(struct snd_soc_component * component,const char * pin)193 int snd_soc_component_nc_pin(struct snd_soc_component *component,
194 const char *pin)
195 {
196 struct snd_soc_dapm_context *dapm =
197 snd_soc_component_get_dapm(component);
198 return snd_soc_dapm_nc_pin(dapm, pin);
199 }
200 EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin);
201
snd_soc_component_nc_pin_unlocked(struct snd_soc_component * component,const char * pin)202 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
203 const char *pin)
204 {
205 struct snd_soc_dapm_context *dapm =
206 snd_soc_component_get_dapm(component);
207 return snd_soc_dapm_nc_pin_unlocked(dapm, pin);
208 }
209 EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin_unlocked);
210
snd_soc_component_get_pin_status(struct snd_soc_component * component,const char * pin)211 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
212 const char *pin)
213 {
214 struct snd_soc_dapm_context *dapm =
215 snd_soc_component_get_dapm(component);
216 return snd_soc_dapm_get_pin_status(dapm, pin);
217 }
218 EXPORT_SYMBOL_GPL(snd_soc_component_get_pin_status);
219
snd_soc_component_force_enable_pin(struct snd_soc_component * component,const char * pin)220 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
221 const char *pin)
222 {
223 struct snd_soc_dapm_context *dapm =
224 snd_soc_component_get_dapm(component);
225 return snd_soc_dapm_force_enable_pin(dapm, pin);
226 }
227 EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin);
228
snd_soc_component_force_enable_pin_unlocked(struct snd_soc_component * component,const char * pin)229 int snd_soc_component_force_enable_pin_unlocked(
230 struct snd_soc_component *component,
231 const char *pin)
232 {
233 struct snd_soc_dapm_context *dapm =
234 snd_soc_component_get_dapm(component);
235 return snd_soc_dapm_force_enable_pin_unlocked(dapm, pin);
236 }
237 EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
238
snd_soc_component_notify_control(struct snd_soc_component * component,const char * const ctl)239 int snd_soc_component_notify_control(struct snd_soc_component *component,
240 const char * const ctl)
241 {
242 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
243 struct snd_kcontrol *kctl;
244
245 /* When updating, change also snd_soc_dapm_widget_name_cmp() */
246 if (component->name_prefix)
247 snprintf(name, ARRAY_SIZE(name), "%s %s", component->name_prefix, ctl);
248 else
249 snprintf(name, ARRAY_SIZE(name), "%s", ctl);
250
251 kctl = snd_soc_card_get_kcontrol(component->card, name);
252 if (!kctl)
253 return soc_component_ret(component, -EINVAL);
254
255 snd_ctl_notify(component->card->snd_card,
256 SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
257
258 return 0;
259 }
260 EXPORT_SYMBOL_GPL(snd_soc_component_notify_control);
261
262 /**
263 * snd_soc_component_set_jack - configure component jack.
264 * @component: COMPONENTs
265 * @jack: structure to use for the jack
266 * @data: can be used if codec driver need extra data for configuring jack
267 *
268 * Configures and enables jack detection function.
269 */
snd_soc_component_set_jack(struct snd_soc_component * component,struct snd_soc_jack * jack,void * data)270 int snd_soc_component_set_jack(struct snd_soc_component *component,
271 struct snd_soc_jack *jack, void *data)
272 {
273 int ret = -ENOTSUPP;
274
275 if (component->driver->set_jack)
276 ret = component->driver->set_jack(component, jack, data);
277
278 return soc_component_ret(component, ret);
279 }
280 EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
281
282 /**
283 * snd_soc_component_get_jack_type
284 * @component: COMPONENTs
285 *
286 * Returns the jack type of the component
287 * This can either be the supported type or one read from
288 * devicetree with the property: jack-type.
289 */
snd_soc_component_get_jack_type(struct snd_soc_component * component)290 int snd_soc_component_get_jack_type(
291 struct snd_soc_component *component)
292 {
293 int ret = -ENOTSUPP;
294
295 if (component->driver->get_jack_type)
296 ret = component->driver->get_jack_type(component);
297
298 return soc_component_ret(component, ret);
299 }
300 EXPORT_SYMBOL_GPL(snd_soc_component_get_jack_type);
301
snd_soc_component_module_get(struct snd_soc_component * component,void * mark,int upon_open)302 int snd_soc_component_module_get(struct snd_soc_component *component,
303 void *mark, int upon_open)
304 {
305 int ret = 0;
306
307 if (component->driver->module_get_upon_open == !!upon_open &&
308 !try_module_get(component->dev->driver->owner))
309 ret = -ENODEV;
310
311 /* mark module if succeeded */
312 if (ret == 0)
313 soc_component_mark_push(component, mark, module);
314
315 return soc_component_ret(component, ret);
316 }
317
snd_soc_component_module_put(struct snd_soc_component * component,void * mark,int upon_open,int rollback)318 void snd_soc_component_module_put(struct snd_soc_component *component,
319 void *mark, int upon_open, int rollback)
320 {
321 if (rollback && !soc_component_mark_match(component, mark, module))
322 return;
323
324 if (component->driver->module_get_upon_open == !!upon_open)
325 module_put(component->dev->driver->owner);
326
327 /* remove the mark from module */
328 soc_component_mark_pop(component, mark, module);
329 }
330
snd_soc_component_open(struct snd_soc_component * component,struct snd_pcm_substream * substream)331 int snd_soc_component_open(struct snd_soc_component *component,
332 struct snd_pcm_substream *substream)
333 {
334 int ret = 0;
335
336 if (component->driver->open)
337 ret = component->driver->open(component, substream);
338
339 /* mark substream if succeeded */
340 if (ret == 0)
341 soc_component_mark_push(component, substream, open);
342
343 return soc_component_ret(component, ret);
344 }
345
snd_soc_component_close(struct snd_soc_component * component,struct snd_pcm_substream * substream,int rollback)346 int snd_soc_component_close(struct snd_soc_component *component,
347 struct snd_pcm_substream *substream,
348 int rollback)
349 {
350 int ret = 0;
351
352 if (rollback && !soc_component_mark_match(component, substream, open))
353 return 0;
354
355 if (component->driver->close)
356 ret = component->driver->close(component, substream);
357
358 /* remove marked substream */
359 soc_component_mark_pop(component, substream, open);
360
361 return soc_component_ret(component, ret);
362 }
363
snd_soc_component_suspend(struct snd_soc_component * component)364 void snd_soc_component_suspend(struct snd_soc_component *component)
365 {
366 if (component->driver->suspend)
367 component->driver->suspend(component);
368 component->suspended = 1;
369 }
370
snd_soc_component_resume(struct snd_soc_component * component)371 void snd_soc_component_resume(struct snd_soc_component *component)
372 {
373 if (component->driver->resume)
374 component->driver->resume(component);
375 component->suspended = 0;
376 }
377
snd_soc_component_is_suspended(struct snd_soc_component * component)378 int snd_soc_component_is_suspended(struct snd_soc_component *component)
379 {
380 return component->suspended;
381 }
382
snd_soc_component_probe(struct snd_soc_component * component)383 int snd_soc_component_probe(struct snd_soc_component *component)
384 {
385 int ret = 0;
386
387 if (component->driver->probe)
388 ret = component->driver->probe(component);
389
390 return soc_component_ret(component, ret);
391 }
392
snd_soc_component_remove(struct snd_soc_component * component)393 void snd_soc_component_remove(struct snd_soc_component *component)
394 {
395 if (component->driver->remove)
396 component->driver->remove(component);
397 }
398
snd_soc_component_of_xlate_dai_id(struct snd_soc_component * component,struct device_node * ep)399 int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
400 struct device_node *ep)
401 {
402 int ret = -ENOTSUPP;
403
404 if (component->driver->of_xlate_dai_id)
405 ret = component->driver->of_xlate_dai_id(component, ep);
406
407 return soc_component_ret(component, ret);
408 }
409
snd_soc_component_of_xlate_dai_name(struct snd_soc_component * component,const struct of_phandle_args * args,const char ** dai_name)410 int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
411 const struct of_phandle_args *args,
412 const char **dai_name)
413 {
414 if (component->driver->of_xlate_dai_name)
415 return component->driver->of_xlate_dai_name(component,
416 args, dai_name);
417 /*
418 * Don't use soc_component_ret here because we may not want to report
419 * the error just yet. If a device has more than one component, the
420 * first may not match and we don't want spam the log with this.
421 */
422 return -ENOTSUPP;
423 }
424
snd_soc_component_setup_regmap(struct snd_soc_component * component)425 void snd_soc_component_setup_regmap(struct snd_soc_component *component)
426 {
427 int val_bytes = regmap_get_val_bytes(component->regmap);
428
429 /* Errors are legitimate for non-integer byte multiples */
430 if (val_bytes > 0)
431 component->val_bytes = val_bytes;
432 }
433
434 #ifdef CONFIG_REGMAP
435
436 /**
437 * snd_soc_component_init_regmap() - Initialize regmap instance for the
438 * component
439 * @component: The component for which to initialize the regmap instance
440 * @regmap: The regmap instance that should be used by the component
441 *
442 * This function allows deferred assignment of the regmap instance that is
443 * associated with the component. Only use this if the regmap instance is not
444 * yet ready when the component is registered. The function must also be called
445 * before the first IO attempt of the component.
446 */
snd_soc_component_init_regmap(struct snd_soc_component * component,struct regmap * regmap)447 void snd_soc_component_init_regmap(struct snd_soc_component *component,
448 struct regmap *regmap)
449 {
450 component->regmap = regmap;
451 snd_soc_component_setup_regmap(component);
452 }
453 EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
454
455 /**
456 * snd_soc_component_exit_regmap() - De-initialize regmap instance for the
457 * component
458 * @component: The component for which to de-initialize the regmap instance
459 *
460 * Calls regmap_exit() on the regmap instance associated to the component and
461 * removes the regmap instance from the component.
462 *
463 * This function should only be used if snd_soc_component_init_regmap() was used
464 * to initialize the regmap instance.
465 */
snd_soc_component_exit_regmap(struct snd_soc_component * component)466 void snd_soc_component_exit_regmap(struct snd_soc_component *component)
467 {
468 regmap_exit(component->regmap);
469 component->regmap = NULL;
470 }
471 EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
472
473 #endif
474
snd_soc_component_compr_open(struct snd_soc_component * component,struct snd_compr_stream * cstream)475 int snd_soc_component_compr_open(struct snd_soc_component *component,
476 struct snd_compr_stream *cstream)
477 {
478 int ret = 0;
479
480 if (component->driver->compress_ops &&
481 component->driver->compress_ops->open)
482 ret = component->driver->compress_ops->open(component, cstream);
483
484 /* mark substream if succeeded */
485 if (ret == 0)
486 soc_component_mark_push(component, cstream, compr_open);
487
488 return soc_component_ret(component, ret);
489 }
490 EXPORT_SYMBOL_GPL(snd_soc_component_compr_open);
491
snd_soc_component_compr_free(struct snd_soc_component * component,struct snd_compr_stream * cstream,int rollback)492 void snd_soc_component_compr_free(struct snd_soc_component *component,
493 struct snd_compr_stream *cstream,
494 int rollback)
495 {
496 if (rollback && !soc_component_mark_match(component, cstream, compr_open))
497 return;
498
499 if (component->driver->compress_ops &&
500 component->driver->compress_ops->free)
501 component->driver->compress_ops->free(component, cstream);
502
503 /* remove marked substream */
504 soc_component_mark_pop(component, cstream, compr_open);
505 }
506 EXPORT_SYMBOL_GPL(snd_soc_component_compr_free);
507
snd_soc_component_compr_trigger(struct snd_compr_stream * cstream,int cmd)508 int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd)
509 {
510 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
511 struct snd_soc_component *component;
512 int i, ret;
513
514 for_each_rtd_components(rtd, i, component) {
515 if (component->driver->compress_ops &&
516 component->driver->compress_ops->trigger) {
517 ret = component->driver->compress_ops->trigger(
518 component, cstream, cmd);
519 if (ret < 0)
520 return soc_component_ret(component, ret);
521 }
522 }
523
524 return 0;
525 }
526 EXPORT_SYMBOL_GPL(snd_soc_component_compr_trigger);
527
snd_soc_component_compr_set_params(struct snd_compr_stream * cstream,struct snd_compr_params * params)528 int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream,
529 struct snd_compr_params *params)
530 {
531 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
532 struct snd_soc_component *component;
533 int i, ret;
534
535 for_each_rtd_components(rtd, i, component) {
536 if (component->driver->compress_ops &&
537 component->driver->compress_ops->set_params) {
538 ret = component->driver->compress_ops->set_params(
539 component, cstream, params);
540 if (ret < 0)
541 return soc_component_ret(component, ret);
542 }
543 }
544
545 return 0;
546 }
547 EXPORT_SYMBOL_GPL(snd_soc_component_compr_set_params);
548
snd_soc_component_compr_get_params(struct snd_compr_stream * cstream,struct snd_codec * params)549 int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream,
550 struct snd_codec *params)
551 {
552 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
553 struct snd_soc_component *component;
554 int i, ret;
555
556 for_each_rtd_components(rtd, i, component) {
557 if (component->driver->compress_ops &&
558 component->driver->compress_ops->get_params) {
559 ret = component->driver->compress_ops->get_params(
560 component, cstream, params);
561 return soc_component_ret(component, ret);
562 }
563 }
564
565 return 0;
566 }
567 EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_params);
568
snd_soc_component_compr_get_caps(struct snd_compr_stream * cstream,struct snd_compr_caps * caps)569 int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream,
570 struct snd_compr_caps *caps)
571 {
572 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
573 struct snd_soc_component *component;
574 int i, ret = 0;
575
576 snd_soc_dpcm_mutex_lock(rtd);
577
578 for_each_rtd_components(rtd, i, component) {
579 if (component->driver->compress_ops &&
580 component->driver->compress_ops->get_caps) {
581 ret = component->driver->compress_ops->get_caps(
582 component, cstream, caps);
583 break;
584 }
585 }
586
587 snd_soc_dpcm_mutex_unlock(rtd);
588
589 return soc_component_ret(component, ret);
590 }
591 EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_caps);
592
snd_soc_component_compr_get_codec_caps(struct snd_compr_stream * cstream,struct snd_compr_codec_caps * codec)593 int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream,
594 struct snd_compr_codec_caps *codec)
595 {
596 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
597 struct snd_soc_component *component;
598 int i, ret = 0;
599
600 snd_soc_dpcm_mutex_lock(rtd);
601
602 for_each_rtd_components(rtd, i, component) {
603 if (component->driver->compress_ops &&
604 component->driver->compress_ops->get_codec_caps) {
605 ret = component->driver->compress_ops->get_codec_caps(
606 component, cstream, codec);
607 break;
608 }
609 }
610
611 snd_soc_dpcm_mutex_unlock(rtd);
612
613 return soc_component_ret(component, ret);
614 }
615 EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_codec_caps);
616
snd_soc_component_compr_ack(struct snd_compr_stream * cstream,size_t bytes)617 int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
618 {
619 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
620 struct snd_soc_component *component;
621 int i, ret;
622
623 for_each_rtd_components(rtd, i, component) {
624 if (component->driver->compress_ops &&
625 component->driver->compress_ops->ack) {
626 ret = component->driver->compress_ops->ack(
627 component, cstream, bytes);
628 if (ret < 0)
629 return soc_component_ret(component, ret);
630 }
631 }
632
633 return 0;
634 }
635 EXPORT_SYMBOL_GPL(snd_soc_component_compr_ack);
636
snd_soc_component_compr_pointer(struct snd_compr_stream * cstream,struct snd_compr_tstamp * tstamp)637 int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream,
638 struct snd_compr_tstamp *tstamp)
639 {
640 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
641 struct snd_soc_component *component;
642 int i, ret;
643
644 for_each_rtd_components(rtd, i, component) {
645 if (component->driver->compress_ops &&
646 component->driver->compress_ops->pointer) {
647 ret = component->driver->compress_ops->pointer(
648 component, cstream, tstamp);
649 return soc_component_ret(component, ret);
650 }
651 }
652
653 return 0;
654 }
655 EXPORT_SYMBOL_GPL(snd_soc_component_compr_pointer);
656
snd_soc_component_compr_copy(struct snd_compr_stream * cstream,char __user * buf,size_t count)657 int snd_soc_component_compr_copy(struct snd_compr_stream *cstream,
658 char __user *buf, size_t count)
659 {
660 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
661 struct snd_soc_component *component;
662 int i, ret = 0;
663
664 snd_soc_dpcm_mutex_lock(rtd);
665
666 for_each_rtd_components(rtd, i, component) {
667 if (component->driver->compress_ops &&
668 component->driver->compress_ops->copy) {
669 ret = component->driver->compress_ops->copy(
670 component, cstream, buf, count);
671 break;
672 }
673 }
674
675 snd_soc_dpcm_mutex_unlock(rtd);
676
677 return soc_component_ret(component, ret);
678 }
679 EXPORT_SYMBOL_GPL(snd_soc_component_compr_copy);
680
snd_soc_component_compr_set_metadata(struct snd_compr_stream * cstream,struct snd_compr_metadata * metadata)681 int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
682 struct snd_compr_metadata *metadata)
683 {
684 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
685 struct snd_soc_component *component;
686 int i, ret;
687
688 for_each_rtd_components(rtd, i, component) {
689 if (component->driver->compress_ops &&
690 component->driver->compress_ops->set_metadata) {
691 ret = component->driver->compress_ops->set_metadata(
692 component, cstream, metadata);
693 if (ret < 0)
694 return soc_component_ret(component, ret);
695 }
696 }
697
698 return 0;
699 }
700 EXPORT_SYMBOL_GPL(snd_soc_component_compr_set_metadata);
701
snd_soc_component_compr_get_metadata(struct snd_compr_stream * cstream,struct snd_compr_metadata * metadata)702 int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream,
703 struct snd_compr_metadata *metadata)
704 {
705 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
706 struct snd_soc_component *component;
707 int i, ret;
708
709 for_each_rtd_components(rtd, i, component) {
710 if (component->driver->compress_ops &&
711 component->driver->compress_ops->get_metadata) {
712 ret = component->driver->compress_ops->get_metadata(
713 component, cstream, metadata);
714 return soc_component_ret(component, ret);
715 }
716 }
717
718 return 0;
719 }
720 EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_metadata);
721
soc_component_read_no_lock(struct snd_soc_component * component,unsigned int reg)722 static unsigned int soc_component_read_no_lock(
723 struct snd_soc_component *component,
724 unsigned int reg)
725 {
726 int ret;
727 unsigned int val = 0;
728
729 if (component->regmap)
730 ret = regmap_read(component->regmap, reg, &val);
731 else if (component->driver->read) {
732 ret = 0;
733 val = component->driver->read(component, reg);
734 }
735 else
736 ret = -EIO;
737
738 if (ret < 0)
739 return soc_component_ret_reg_rw(component, ret, reg);
740
741 return val;
742 }
743
744 /**
745 * snd_soc_component_read() - Read register value
746 * @component: Component to read from
747 * @reg: Register to read
748 *
749 * Return: read value
750 */
snd_soc_component_read(struct snd_soc_component * component,unsigned int reg)751 unsigned int snd_soc_component_read(struct snd_soc_component *component,
752 unsigned int reg)
753 {
754 unsigned int val;
755
756 mutex_lock(&component->io_mutex);
757 val = soc_component_read_no_lock(component, reg);
758 mutex_unlock(&component->io_mutex);
759
760 return val;
761 }
762 EXPORT_SYMBOL_GPL(snd_soc_component_read);
763
soc_component_write_no_lock(struct snd_soc_component * component,unsigned int reg,unsigned int val)764 static int soc_component_write_no_lock(
765 struct snd_soc_component *component,
766 unsigned int reg, unsigned int val)
767 {
768 int ret = -EIO;
769
770 if (component->regmap)
771 ret = regmap_write(component->regmap, reg, val);
772 else if (component->driver->write)
773 ret = component->driver->write(component, reg, val);
774
775 return soc_component_ret_reg_rw(component, ret, reg);
776 }
777
778 /**
779 * snd_soc_component_write() - Write register value
780 * @component: Component to write to
781 * @reg: Register to write
782 * @val: Value to write to the register
783 *
784 * Return: 0 on success, a negative error code otherwise.
785 */
snd_soc_component_write(struct snd_soc_component * component,unsigned int reg,unsigned int val)786 int snd_soc_component_write(struct snd_soc_component *component,
787 unsigned int reg, unsigned int val)
788 {
789 int ret;
790
791 mutex_lock(&component->io_mutex);
792 ret = soc_component_write_no_lock(component, reg, val);
793 mutex_unlock(&component->io_mutex);
794
795 return ret;
796 }
797 EXPORT_SYMBOL_GPL(snd_soc_component_write);
798
snd_soc_component_update_bits_legacy(struct snd_soc_component * component,unsigned int reg,unsigned int mask,unsigned int val,bool * change)799 static int snd_soc_component_update_bits_legacy(
800 struct snd_soc_component *component, unsigned int reg,
801 unsigned int mask, unsigned int val, bool *change)
802 {
803 unsigned int old, new;
804 int ret = 0;
805
806 mutex_lock(&component->io_mutex);
807
808 old = soc_component_read_no_lock(component, reg);
809
810 new = (old & ~mask) | (val & mask);
811 *change = old != new;
812 if (*change)
813 ret = soc_component_write_no_lock(component, reg, new);
814
815 mutex_unlock(&component->io_mutex);
816
817 return soc_component_ret_reg_rw(component, ret, reg);
818 }
819
820 /**
821 * snd_soc_component_update_bits() - Perform read/modify/write cycle
822 * @component: Component to update
823 * @reg: Register to update
824 * @mask: Mask that specifies which bits to update
825 * @val: New value for the bits specified by mask
826 *
827 * Return: 1 if the operation was successful and the value of the register
828 * changed, 0 if the operation was successful, but the value did not change.
829 * Returns a negative error code otherwise.
830 */
snd_soc_component_update_bits(struct snd_soc_component * component,unsigned int reg,unsigned int mask,unsigned int val)831 int snd_soc_component_update_bits(struct snd_soc_component *component,
832 unsigned int reg, unsigned int mask, unsigned int val)
833 {
834 bool change;
835 int ret;
836
837 if (component->regmap)
838 ret = regmap_update_bits_check(component->regmap, reg, mask,
839 val, &change);
840 else
841 ret = snd_soc_component_update_bits_legacy(component, reg,
842 mask, val, &change);
843
844 if (ret < 0)
845 return soc_component_ret_reg_rw(component, ret, reg);
846 return change;
847 }
848 EXPORT_SYMBOL_GPL(snd_soc_component_update_bits);
849
850 /**
851 * snd_soc_component_update_bits_async() - Perform asynchronous
852 * read/modify/write cycle
853 * @component: Component to update
854 * @reg: Register to update
855 * @mask: Mask that specifies which bits to update
856 * @val: New value for the bits specified by mask
857 *
858 * This function is similar to snd_soc_component_update_bits(), but the update
859 * operation is scheduled asynchronously. This means it may not be completed
860 * when the function returns. To make sure that all scheduled updates have been
861 * completed snd_soc_component_async_complete() must be called.
862 *
863 * Return: 1 if the operation was successful and the value of the register
864 * changed, 0 if the operation was successful, but the value did not change.
865 * Returns a negative error code otherwise.
866 */
snd_soc_component_update_bits_async(struct snd_soc_component * component,unsigned int reg,unsigned int mask,unsigned int val)867 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
868 unsigned int reg, unsigned int mask, unsigned int val)
869 {
870 bool change;
871 int ret;
872
873 if (component->regmap)
874 ret = regmap_update_bits_check_async(component->regmap, reg,
875 mask, val, &change);
876 else
877 ret = snd_soc_component_update_bits_legacy(component, reg,
878 mask, val, &change);
879
880 if (ret < 0)
881 return soc_component_ret_reg_rw(component, ret, reg);
882 return change;
883 }
884 EXPORT_SYMBOL_GPL(snd_soc_component_update_bits_async);
885
886 /**
887 * snd_soc_component_read_field() - Read register field value
888 * @component: Component to read from
889 * @reg: Register to read
890 * @mask: mask of the register field
891 *
892 * Return: read value of register field.
893 */
snd_soc_component_read_field(struct snd_soc_component * component,unsigned int reg,unsigned int mask)894 unsigned int snd_soc_component_read_field(struct snd_soc_component *component,
895 unsigned int reg, unsigned int mask)
896 {
897 unsigned int val;
898
899 val = snd_soc_component_read(component, reg);
900
901 val = (val & mask) >> soc_component_field_shift(component, mask);
902
903 return val;
904 }
905 EXPORT_SYMBOL_GPL(snd_soc_component_read_field);
906
907 /**
908 * snd_soc_component_write_field() - write to register field
909 * @component: Component to write to
910 * @reg: Register to write
911 * @mask: mask of the register field to update
912 * @val: value of the field to write
913 *
914 * Return: 1 for change, otherwise 0.
915 */
snd_soc_component_write_field(struct snd_soc_component * component,unsigned int reg,unsigned int mask,unsigned int val)916 int snd_soc_component_write_field(struct snd_soc_component *component,
917 unsigned int reg, unsigned int mask,
918 unsigned int val)
919 {
920
921 val = (val << soc_component_field_shift(component, mask)) & mask;
922
923 return snd_soc_component_update_bits(component, reg, mask, val);
924 }
925 EXPORT_SYMBOL_GPL(snd_soc_component_write_field);
926
927 /**
928 * snd_soc_component_async_complete() - Ensure asynchronous I/O has completed
929 * @component: Component for which to wait
930 *
931 * This function blocks until all asynchronous I/O which has previously been
932 * scheduled using snd_soc_component_update_bits_async() has completed.
933 */
snd_soc_component_async_complete(struct snd_soc_component * component)934 void snd_soc_component_async_complete(struct snd_soc_component *component)
935 {
936 if (component->regmap)
937 regmap_async_complete(component->regmap);
938 }
939 EXPORT_SYMBOL_GPL(snd_soc_component_async_complete);
940
941 /**
942 * snd_soc_component_test_bits - Test register for change
943 * @component: component
944 * @reg: Register to test
945 * @mask: Mask that specifies which bits to test
946 * @value: Value to test against
947 *
948 * Tests a register with a new value and checks if the new value is
949 * different from the old value.
950 *
951 * Return: 1 for change, otherwise 0.
952 */
snd_soc_component_test_bits(struct snd_soc_component * component,unsigned int reg,unsigned int mask,unsigned int value)953 int snd_soc_component_test_bits(struct snd_soc_component *component,
954 unsigned int reg, unsigned int mask, unsigned int value)
955 {
956 unsigned int old, new;
957
958 old = snd_soc_component_read(component, reg);
959 new = (old & ~mask) | value;
960 return old != new;
961 }
962 EXPORT_SYMBOL_GPL(snd_soc_component_test_bits);
963
snd_soc_pcm_component_pointer(struct snd_pcm_substream * substream)964 int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
965 {
966 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
967 struct snd_soc_component *component;
968 int i;
969
970 /* FIXME: use 1st pointer */
971 for_each_rtd_components(rtd, i, component)
972 if (component->driver->pointer)
973 return component->driver->pointer(component, substream);
974
975 return 0;
976 }
977
snd_soc_component_is_codec_on_rtd(struct snd_soc_pcm_runtime * rtd,struct snd_soc_component * component)978 static bool snd_soc_component_is_codec_on_rtd(struct snd_soc_pcm_runtime *rtd,
979 struct snd_soc_component *component)
980 {
981 struct snd_soc_dai *dai;
982 int i;
983
984 for_each_rtd_codec_dais(rtd, i, dai) {
985 if (dai->component == component)
986 return true;
987 }
988
989 return false;
990 }
991
snd_soc_pcm_component_delay(struct snd_pcm_substream * substream,snd_pcm_sframes_t * cpu_delay,snd_pcm_sframes_t * codec_delay)992 void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream,
993 snd_pcm_sframes_t *cpu_delay,
994 snd_pcm_sframes_t *codec_delay)
995 {
996 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
997 struct snd_soc_component *component;
998 snd_pcm_sframes_t delay;
999 int i;
1000
1001 /*
1002 * We're looking for the delay through the full audio path so it needs to
1003 * be the maximum of the Components doing transmit and the maximum of the
1004 * Components doing receive (ie, all CPUs and all CODECs) rather than
1005 * just the maximum of all Components.
1006 */
1007 for_each_rtd_components(rtd, i, component) {
1008 if (!component->driver->delay)
1009 continue;
1010
1011 delay = component->driver->delay(component, substream);
1012
1013 if (snd_soc_component_is_codec_on_rtd(rtd, component))
1014 *codec_delay = max(*codec_delay, delay);
1015 else
1016 *cpu_delay = max(*cpu_delay, delay);
1017 }
1018 }
1019
snd_soc_pcm_component_ioctl(struct snd_pcm_substream * substream,unsigned int cmd,void * arg)1020 int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
1021 unsigned int cmd, void *arg)
1022 {
1023 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1024 struct snd_soc_component *component;
1025 int i;
1026
1027 /* FIXME: use 1st ioctl */
1028 for_each_rtd_components(rtd, i, component)
1029 if (component->driver->ioctl)
1030 return soc_component_ret(
1031 component,
1032 component->driver->ioctl(component,
1033 substream, cmd, arg));
1034
1035 return snd_pcm_lib_ioctl(substream, cmd, arg);
1036 }
1037
snd_soc_pcm_component_sync_stop(struct snd_pcm_substream * substream)1038 int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream)
1039 {
1040 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1041 struct snd_soc_component *component;
1042 int i, ret;
1043
1044 for_each_rtd_components(rtd, i, component) {
1045 if (component->driver->sync_stop) {
1046 ret = component->driver->sync_stop(component,
1047 substream);
1048 if (ret < 0)
1049 return soc_component_ret(component, ret);
1050 }
1051 }
1052
1053 return 0;
1054 }
1055
snd_soc_pcm_component_copy(struct snd_pcm_substream * substream,int channel,unsigned long pos,struct iov_iter * iter,unsigned long bytes)1056 int snd_soc_pcm_component_copy(struct snd_pcm_substream *substream,
1057 int channel, unsigned long pos,
1058 struct iov_iter *iter, unsigned long bytes)
1059 {
1060 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1061 struct snd_soc_component *component;
1062 int i;
1063
1064 /* FIXME. it returns 1st copy now */
1065 for_each_rtd_components(rtd, i, component)
1066 if (component->driver->copy)
1067 return soc_component_ret(component,
1068 component->driver->copy(component, substream,
1069 channel, pos, iter, bytes));
1070
1071 return -EINVAL;
1072 }
1073
snd_soc_pcm_component_page(struct snd_pcm_substream * substream,unsigned long offset)1074 struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
1075 unsigned long offset)
1076 {
1077 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1078 struct snd_soc_component *component;
1079 struct page *page;
1080 int i;
1081
1082 /* FIXME. it returns 1st page now */
1083 for_each_rtd_components(rtd, i, component) {
1084 if (component->driver->page) {
1085 page = component->driver->page(component,
1086 substream, offset);
1087 if (page)
1088 return page;
1089 }
1090 }
1091
1092 return NULL;
1093 }
1094
snd_soc_pcm_component_mmap(struct snd_pcm_substream * substream,struct vm_area_struct * vma)1095 int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
1096 struct vm_area_struct *vma)
1097 {
1098 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1099 struct snd_soc_component *component;
1100 int i;
1101
1102 /* FIXME. it returns 1st mmap now */
1103 for_each_rtd_components(rtd, i, component)
1104 if (component->driver->mmap)
1105 return soc_component_ret(
1106 component,
1107 component->driver->mmap(component,
1108 substream, vma));
1109
1110 return -EINVAL;
1111 }
1112
snd_soc_pcm_component_new(struct snd_soc_pcm_runtime * rtd)1113 int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd)
1114 {
1115 struct snd_soc_component *component;
1116 int ret;
1117 int i;
1118
1119 for_each_rtd_components(rtd, i, component) {
1120 if (component->driver->pcm_construct) {
1121 ret = component->driver->pcm_construct(component, rtd);
1122 if (ret < 0)
1123 return soc_component_ret(component, ret);
1124 }
1125 }
1126
1127 return 0;
1128 }
1129
snd_soc_pcm_component_free(struct snd_soc_pcm_runtime * rtd)1130 void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd)
1131 {
1132 struct snd_soc_component *component;
1133 int i;
1134
1135 if (!rtd->pcm)
1136 return;
1137
1138 for_each_rtd_components(rtd, i, component)
1139 if (component->driver->pcm_destruct)
1140 component->driver->pcm_destruct(component, rtd->pcm);
1141 }
1142
snd_soc_pcm_component_prepare(struct snd_pcm_substream * substream)1143 int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream)
1144 {
1145 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1146 struct snd_soc_component *component;
1147 int i, ret;
1148
1149 for_each_rtd_components(rtd, i, component) {
1150 if (component->driver->prepare) {
1151 ret = component->driver->prepare(component, substream);
1152 if (ret < 0)
1153 return soc_component_ret(component, ret);
1154 }
1155 }
1156
1157 return 0;
1158 }
1159
snd_soc_pcm_component_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)1160 int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
1161 struct snd_pcm_hw_params *params)
1162 {
1163 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1164 struct snd_soc_component *component;
1165 int i, ret;
1166
1167 for_each_rtd_components(rtd, i, component) {
1168 if (component->driver->hw_params) {
1169 ret = component->driver->hw_params(component,
1170 substream, params);
1171 if (ret < 0)
1172 return soc_component_ret(component, ret);
1173 }
1174 /* mark substream if succeeded */
1175 soc_component_mark_push(component, substream, hw_params);
1176 }
1177
1178 return 0;
1179 }
1180
snd_soc_pcm_component_hw_free(struct snd_pcm_substream * substream,int rollback)1181 void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
1182 int rollback)
1183 {
1184 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1185 struct snd_soc_component *component;
1186 int i, ret;
1187
1188 for_each_rtd_components(rtd, i, component) {
1189 if (rollback && !soc_component_mark_match(component, substream, hw_params))
1190 continue;
1191
1192 if (component->driver->hw_free) {
1193 ret = component->driver->hw_free(component, substream);
1194 if (ret < 0)
1195 soc_component_ret(component, ret);
1196 }
1197
1198 /* remove marked substream */
1199 soc_component_mark_pop(component, substream, hw_params);
1200 }
1201 }
1202
soc_component_trigger(struct snd_soc_component * component,struct snd_pcm_substream * substream,int cmd)1203 static int soc_component_trigger(struct snd_soc_component *component,
1204 struct snd_pcm_substream *substream,
1205 int cmd)
1206 {
1207 int ret = 0;
1208
1209 if (component->driver->trigger)
1210 ret = component->driver->trigger(component, substream, cmd);
1211
1212 return soc_component_ret(component, ret);
1213 }
1214
snd_soc_pcm_component_trigger(struct snd_pcm_substream * substream,int cmd,int rollback)1215 int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
1216 int cmd, int rollback)
1217 {
1218 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1219 struct snd_soc_component *component;
1220 int i, r, ret = 0;
1221
1222 switch (cmd) {
1223 case SNDRV_PCM_TRIGGER_START:
1224 case SNDRV_PCM_TRIGGER_RESUME:
1225 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1226 for_each_rtd_components(rtd, i, component) {
1227 ret = soc_component_trigger(component, substream, cmd);
1228 if (ret < 0)
1229 break;
1230 soc_component_mark_push(component, substream, trigger);
1231 }
1232 break;
1233 case SNDRV_PCM_TRIGGER_STOP:
1234 case SNDRV_PCM_TRIGGER_SUSPEND:
1235 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1236 for_each_rtd_components(rtd, i, component) {
1237 if (rollback && !soc_component_mark_match(component, substream, trigger))
1238 continue;
1239
1240 r = soc_component_trigger(component, substream, cmd);
1241 if (r < 0)
1242 ret = r; /* use last ret */
1243 soc_component_mark_pop(component, substream, trigger);
1244 }
1245 }
1246
1247 return ret;
1248 }
1249
snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime * rtd,void * stream)1250 int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
1251 void *stream)
1252 {
1253 struct snd_soc_component *component;
1254 int i;
1255
1256 for_each_rtd_components(rtd, i, component) {
1257 int ret = pm_runtime_get_sync(component->dev);
1258 if (ret < 0 && ret != -EACCES) {
1259 pm_runtime_put_noidle(component->dev);
1260 return soc_component_ret(component, ret);
1261 }
1262 /* mark stream if succeeded */
1263 soc_component_mark_push(component, stream, pm);
1264 }
1265
1266 return 0;
1267 }
1268
snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime * rtd,void * stream,int rollback)1269 void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
1270 void *stream, int rollback)
1271 {
1272 struct snd_soc_component *component;
1273 int i;
1274
1275 for_each_rtd_components(rtd, i, component) {
1276 if (rollback && !soc_component_mark_match(component, stream, pm))
1277 continue;
1278
1279 pm_runtime_mark_last_busy(component->dev);
1280 pm_runtime_put_autosuspend(component->dev);
1281
1282 /* remove marked stream */
1283 soc_component_mark_pop(component, stream, pm);
1284 }
1285 }
1286
snd_soc_pcm_component_ack(struct snd_pcm_substream * substream)1287 int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream)
1288 {
1289 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1290 struct snd_soc_component *component;
1291 int i;
1292
1293 /* FIXME: use 1st pointer */
1294 for_each_rtd_components(rtd, i, component)
1295 if (component->driver->ack)
1296 return component->driver->ack(component, substream);
1297
1298 return 0;
1299 }
1300