1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
// SPDX-License-Identifier: GPL-2.0
//
// soc-card.c
//
// Copyright (C) 2019 Renesas Electronics Corp.
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
//
#include <linux/lockdep.h>
#include <linux/rwsem.h>
#include <sound/soc.h>
#include <sound/jack.h>
#define soc_card_ret(dai, ret) _soc_card_ret(dai, __func__, ret)
static inline int _soc_card_ret(struct snd_soc_card *card,
const char *func, int ret)
{
switch (ret) {
case -EPROBE_DEFER:
case -ENOTSUPP:
case 0:
break;
default:
dev_err(card->dev,
"ASoC: error at %s on %s: %d\n",
func, card->name, ret);
}
return ret;
}
struct snd_kcontrol *snd_soc_card_get_kcontrol_locked(struct snd_soc_card *soc_card,
const char *name)
{
if (unlikely(!name))
return NULL;
return snd_ctl_find_id_mixer_locked(soc_card->snd_card, name);
}
EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol_locked);
struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
const char *name)
{
if (unlikely(!name))
return NULL;
return snd_ctl_find_id_mixer(soc_card->snd_card, name);
}
EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
static int jack_new(struct snd_soc_card *card, const char *id, int type,
struct snd_soc_jack *jack, bool initial_kctl)
{
mutex_init(&jack->mutex);
jack->card = card;
INIT_LIST_HEAD(&jack->pins);
INIT_LIST_HEAD(&jack->jack_zones);
BLOCKING_INIT_NOTIFIER_HEAD(&jack->notifier);
return snd_jack_new(card->snd_card, id, type, &jack->jack, initial_kctl, false);
}
/**
* snd_soc_card_jack_new - Create a new jack without pins
* @card: ASoC card
* @id: an identifying string for this jack
* @type: a bitmask of enum snd_jack_type values that can be detected by
* this jack
* @jack: structure to use for the jack
*
* Creates a new jack object without pins. If adding pins later,
* snd_soc_card_jack_new_pins() should be used instead with 0 as num_pins
* argument.
*
* Returns zero if successful, or a negative error code on failure.
* On success jack will be initialised.
*/
int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
struct snd_soc_jack *jack)
{
return soc_card_ret(card, jack_new(card, id, type, jack, true));
}
EXPORT_SYMBOL_GPL(snd_soc_card_jack_new);
/**
* snd_soc_card_jack_new_pins - Create a new jack with pins
* @card: ASoC card
* @id: an identifying string for this jack
* @type: a bitmask of enum snd_jack_type values that can be detected by
* this jack
* @jack: structure to use for the jack
* @pins: Array of jack pins to be added to the jack or NULL
* @num_pins: Number of elements in the @pins array
*
* Creates a new jack object with pins. If not adding pins,
* snd_soc_card_jack_new() should be used instead.
*
* Returns zero if successful, or a negative error code on failure.
* On success jack will be initialised.
*/
int snd_soc_card_jack_new_pins(struct snd_soc_card *card, const char *id,
int type, struct snd_soc_jack *jack,
struct snd_soc_jack_pin *pins,
unsigned int num_pins)
{
int ret;
ret = jack_new(card, id, type, jack, false);
if (ret)
goto end;
if (num_pins)
ret = snd_soc_jack_add_pins(jack, num_pins, pins);
end:
return soc_card_ret(card, ret);
}
EXPORT_SYMBOL_GPL(snd_soc_card_jack_new_pins);
int snd_soc_card_suspend_pre(struct snd_soc_card *card)
{
int ret = 0;
if (card->suspend_pre)
ret = card->suspend_pre(card);
return soc_card_ret(card, ret);
}
int snd_soc_card_suspend_post(struct snd_soc_card *card)
{
int ret = 0;
if (card->suspend_post)
ret = card->suspend_post(card);
return soc_card_ret(card, ret);
}
int snd_soc_card_resume_pre(struct snd_soc_card *card)
{
int ret = 0;
if (card->resume_pre)
ret = card->resume_pre(card);
return soc_card_ret(card, ret);
}
int snd_soc_card_resume_post(struct snd_soc_card *card)
{
int ret = 0;
if (card->resume_post)
ret = card->resume_post(card);
return soc_card_ret(card, ret);
}
int snd_soc_card_probe(struct snd_soc_card *card)
{
if (card->probe) {
int ret = card->probe(card);
if (ret < 0)
return soc_card_ret(card, ret);
/*
* It has "card->probe" and "card->late_probe" callbacks.
* So, set "probed" flag here, because it needs to care
* about "late_probe".
*
* see
* snd_soc_bind_card()
* snd_soc_card_late_probe()
*/
card->probed = 1;
}
return 0;
}
int snd_soc_card_late_probe(struct snd_soc_card *card)
{
if (card->late_probe) {
int ret = card->late_probe(card);
if (ret < 0)
return soc_card_ret(card, ret);
}
/*
* It has "card->probe" and "card->late_probe" callbacks,
* and "late_probe" callback is called after "probe".
* This means, we can set "card->probed" flag afer "late_probe"
* for all cases.
*
* see
* snd_soc_bind_card()
* snd_soc_card_probe()
*/
card->probed = 1;
return 0;
}
void snd_soc_card_fixup_controls(struct snd_soc_card *card)
{
if (card->fixup_controls)
card->fixup_controls(card);
}
int snd_soc_card_remove(struct snd_soc_card *card)
{
int ret = 0;
if (card->probed &&
card->remove)
ret = card->remove(card);
card->probed = 0;
return soc_card_ret(card, ret);
}
int snd_soc_card_set_bias_level(struct snd_soc_card *card,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
int ret = 0;
if (card && card->set_bias_level)
ret = card->set_bias_level(card, dapm, level);
return soc_card_ret(card, ret);
}
int snd_soc_card_set_bias_level_post(struct snd_soc_card *card,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
int ret = 0;
if (card && card->set_bias_level_post)
ret = card->set_bias_level_post(card, dapm, level);
return soc_card_ret(card, ret);
}
int snd_soc_card_add_dai_link(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link)
{
int ret = 0;
if (card->add_dai_link)
ret = card->add_dai_link(card, dai_link);
return soc_card_ret(card, ret);
}
EXPORT_SYMBOL_GPL(snd_soc_card_add_dai_link);
void snd_soc_card_remove_dai_link(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link)
{
if (card->remove_dai_link)
card->remove_dai_link(card, dai_link);
}
EXPORT_SYMBOL_GPL(snd_soc_card_remove_dai_link);
|
