1 /* Copyright 2016 The Chromium OS Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
4 */
5
6 #include <stdlib.h>
7 #include <string.h>
8 #include <syslog.h>
9
10 #include "cras_alsa_ucm_section.h"
11 #include "cras_alsa_mixer_name.h"
12 #include "utlist.h"
13
ucm_section_free(struct ucm_section * section)14 static void ucm_section_free(struct ucm_section *section) {
15 if (section->name)
16 free((void *)section->name);
17 if (section->jack_name)
18 free((void *)section->jack_name);
19 if (section->jack_type)
20 free((void *)section->jack_type);
21 if (section->mixer_name)
22 free((void *)section->mixer_name);
23 mixer_name_free(section->coupled);
24 free(section);
25 }
26
ucm_section_free_list(struct ucm_section * sections)27 void ucm_section_free_list(struct ucm_section *sections)
28 {
29 struct ucm_section *section;
30 DL_FOREACH(sections, section) {
31 DL_DELETE(sections, section);
32 ucm_section_free(section);
33 }
34 }
35
ucm_section_create(const char * name,int dev_idx,enum CRAS_STREAM_DIRECTION dir,const char * jack_name,const char * jack_type)36 struct ucm_section *ucm_section_create(const char *name,
37 int dev_idx,
38 enum CRAS_STREAM_DIRECTION dir,
39 const char *jack_name,
40 const char *jack_type)
41 {
42 struct ucm_section *section_list = NULL;
43 struct ucm_section *section;
44
45 if (!name)
46 return NULL;
47
48 section = (struct ucm_section *)
49 calloc(1, sizeof(struct ucm_section));
50 if (!section)
51 return NULL;
52
53 section->dev_idx = dev_idx;
54 section->dir = dir;
55 section->name = strdup(name);
56 if (!section->name)
57 goto error;
58
59 if (jack_name) {
60 section->jack_name = strdup(jack_name);
61 if (!section->jack_name)
62 goto error;
63 }
64 if (jack_type) {
65 section->jack_type = strdup(jack_type);
66 if (!section->jack_type)
67 goto error;
68 }
69 /* Default to -1 which means auto-detect. */
70 section->jack_switch = -1;
71
72 /* Make sure to initialize this item as a list. */
73 DL_APPEND(section_list, section);
74 return section_list;
75
76 error:
77 ucm_section_free(section);
78 return NULL;
79 }
80
ucm_section_set_mixer_name(struct ucm_section * section,const char * name)81 int ucm_section_set_mixer_name(struct ucm_section *section,
82 const char *name)
83 {
84 if (!section || !name)
85 return -EINVAL;
86
87 if (section->mixer_name)
88 free((void *)section->mixer_name);
89 section->mixer_name = strdup(name);
90 if (!section->mixer_name)
91 return -ENOMEM;
92 return 0;
93 }
94
ucm_section_add_coupled(struct ucm_section * section,const char * name,mixer_name_type type)95 int ucm_section_add_coupled(struct ucm_section *section,
96 const char *name,
97 mixer_name_type type)
98 {
99 struct mixer_name *m_name;
100
101 if (!section || !name || type == MIXER_NAME_UNDEFINED)
102 return -EINVAL;
103
104 m_name = mixer_name_add(NULL, name, section->dir, type);
105 if (!m_name)
106 return -ENOMEM;
107 DL_APPEND(section->coupled, m_name);
108 return 0;
109 }
110
ucm_section_concat_coupled(struct ucm_section * section,struct mixer_name * coupled)111 int ucm_section_concat_coupled(struct ucm_section *section,
112 struct mixer_name *coupled)
113 {
114 if (!section || !coupled)
115 return -EINVAL;
116 DL_CONCAT(section->coupled, coupled);
117 return 0;
118 }
119
ucm_section_dump(struct ucm_section * section)120 void ucm_section_dump(struct ucm_section *section)
121 {
122 syslog(LOG_DEBUG, "section: %s [%d] (%s)",
123 section->name, section->dev_idx,
124 section->dir == CRAS_STREAM_OUTPUT ? "output" : "input");
125 syslog(LOG_DEBUG, " jack: %s %s",
126 section->jack_name, section->jack_type);
127 syslog(LOG_DEBUG, " mixer_name: %s", section->mixer_name);
128 mixer_name_dump(section->coupled, " coupled");
129 }
130