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
|
// SPDX-License-Identifier: GPL-2.0
//
// soc-card.c
//
// Copyright (C) 2019 Renesas Electronics Corp.
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
//
#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(struct snd_soc_card *soc_card,
const char *name)
{
struct snd_card *card = soc_card->snd_card;
struct snd_kcontrol *kctl;
if (unlikely(!name))
return NULL;
list_for_each_entry(kctl, &card->controls, list)
if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
return kctl;
return NULL;
}
EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
/**
* snd_soc_card_jack_new - Create a new jack
* @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.
*
* 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,
struct snd_soc_jack_pin *pins, unsigned int num_pins)
{
int ret;
mutex_init(&jack->mutex);
jack->card = card;
INIT_LIST_HEAD(&jack->pins);
INIT_LIST_HEAD(&jack->jack_zones);
BLOCKING_INIT_NOTIFIER_HEAD(&jack->notifier);
ret = snd_jack_new(card->snd_card, id, type, &jack->jack, false, 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);
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;
}
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);
|
