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Commit | Line | Data |
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1da177e4 LT |
1 | # ALSA soundcard-configuration |
2 | config SND_TIMER | |
3 | tristate | |
1da177e4 LT |
4 | |
5 | config SND_PCM | |
6 | tristate | |
90bbaf66 | 7 | select SND_TIMER if SND_PCM_TIMER |
1da177e4 | 8 | |
838d1631 RK |
9 | config SND_PCM_ELD |
10 | bool | |
11 | ||
9203dd01 RK |
12 | config SND_PCM_IEC958 |
13 | bool | |
14 | ||
b7ae6f31 | 15 | config SND_DMAENGINE_PCM |
903eb318 | 16 | tristate |
b7ae6f31 | 17 | |
1da177e4 LT |
18 | config SND_HWDEP |
19 | tristate | |
1da177e4 | 20 | |
111b0cdb TI |
21 | config SND_SEQ_DEVICE |
22 | tristate | |
23 | ||
1da177e4 LT |
24 | config SND_RAWMIDI |
25 | tristate | |
111b0cdb | 26 | select SND_SEQ_DEVICE if SND_SEQUENCER != n |
1da177e4 | 27 | |
5c845beb TI |
28 | config SND_COMPRESS_OFFLOAD |
29 | tristate | |
30 | ||
0d94e41a MB |
31 | config SND_JACK |
32 | bool | |
33 | ||
fe0d128c TI |
34 | # enable input device support in jack layer |
35 | config SND_JACK_INPUT_DEV | |
36 | bool | |
37 | depends on SND_JACK | |
38 | default y if INPUT=y || INPUT=SND | |
39 | ||
1da177e4 | 40 | config SND_OSSEMUL |
eb3b705a | 41 | bool "Enable OSS Emulation" |
d886e87c | 42 | select SOUND_OSS_CORE |
eb3b705a TI |
43 | help |
44 | This option enables the build of OSS emulation layer. | |
1da177e4 LT |
45 | |
46 | config SND_MIXER_OSS | |
47 | tristate "OSS Mixer API" | |
eb3b705a | 48 | depends on SND_OSSEMUL |
1da177e4 LT |
49 | help |
50 | To enable OSS mixer API emulation (/dev/mixer*), say Y here | |
51 | and read <file:Documentation/sound/alsa/OSS-Emulation.txt>. | |
52 | ||
53 | Many programs still use the OSS API, so say Y. | |
54 | ||
55 | To compile this driver as a module, choose M here: the module | |
56 | will be called snd-mixer-oss. | |
57 | ||
58 | config SND_PCM_OSS | |
59 | tristate "OSS PCM (digital audio) API" | |
eb3b705a | 60 | depends on SND_OSSEMUL |
1da177e4 LT |
61 | select SND_PCM |
62 | help | |
63 | To enable OSS digital audio (PCM) emulation (/dev/dsp*), say Y | |
64 | here and read <file:Documentation/sound/alsa/OSS-Emulation.txt>. | |
65 | ||
66 | Many programs still use the OSS API, so say Y. | |
67 | ||
68 | To compile this driver as a module, choose M here: the module | |
69 | will be called snd-pcm-oss. | |
70 | ||
21a3479a JK |
71 | config SND_PCM_OSS_PLUGINS |
72 | bool "OSS PCM (digital audio) API - Include plugin system" | |
73 | depends on SND_PCM_OSS | |
74 | default y | |
75 | help | |
76 | If you disable this option, the ALSA's OSS PCM API will not | |
77 | support conversion of channels, formats and rates. It will | |
78 | behave like most of new OSS/Free drivers in 2.4/2.6 kernels. | |
79 | ||
90bbaf66 JY |
80 | config SND_PCM_TIMER |
81 | bool "PCM timer interface" if EXPERT | |
82 | default y | |
83 | help | |
ac1efcfb RD |
84 | If you disable this option, pcm timer will be unavailable, so |
85 | those stubs that use pcm timer (e.g. dmix, dsnoop & co) may work | |
90bbaf66 JY |
86 | incorrectlly. |
87 | ||
ac1efcfb | 88 | For some embedded devices, we may disable it to reduce memory |
90bbaf66 JY |
89 | footprint, about 20KB on x86_64 platform. |
90 | ||
bbaf5e97 TI |
91 | config SND_HRTIMER |
92 | tristate "HR-timer backend support" | |
93 | depends on HIGH_RES_TIMERS | |
94 | select SND_TIMER | |
95 | help | |
96 | Say Y here to enable HR-timer backend for ALSA timer. ALSA uses | |
97 | the hrtimer as a precise timing source. The ALSA sequencer code | |
98 | also can use this timing source. | |
99 | ||
100 | To compile this driver as a module, choose M here: the module | |
101 | will be called snd-hrtimer. | |
102 | ||
332682b1 | 103 | config SND_DYNAMIC_MINORS |
b10e5391 | 104 | bool "Dynamic device file minor numbers" |
332682b1 CL |
105 | help |
106 | If you say Y here, the minor numbers of ALSA device files in | |
107 | /dev/snd/ are allocated dynamically. This allows you to have | |
108 | more than 8 sound cards, but requires a dynamic device file | |
109 | system like udev. | |
110 | ||
111 | If you are unsure about this, say N here. | |
112 | ||
7bb2491b TI |
113 | config SND_MAX_CARDS |
114 | int "Max number of sound cards" | |
115 | range 4 256 | |
116 | default 32 | |
117 | depends on SND_DYNAMIC_MINORS | |
118 | help | |
119 | Specify the max number of sound cards that can be assigned | |
120 | on a single machine. | |
121 | ||
59d48582 TI |
122 | config SND_SUPPORT_OLD_API |
123 | bool "Support old ALSA API" | |
59d48582 TI |
124 | default y |
125 | help | |
126 | Say Y here to support the obsolete ALSA PCM API (ver.0.9.0 rc3 | |
127 | or older). | |
128 | ||
e0ecb05a JY |
129 | config SND_PROC_FS |
130 | bool "Sound Proc FS Support" if EXPERT | |
131 | depends on PROC_FS | |
132 | default y | |
133 | help | |
134 | Say 'N' to disable Sound proc FS, which may reduce code size about | |
135 | 9KB on x86_64 platform. | |
136 | If unsure say Y. | |
137 | ||
21a3479a JK |
138 | config SND_VERBOSE_PROCFS |
139 | bool "Verbose procfs contents" | |
e0ecb05a | 140 | depends on SND_PROC_FS |
21a3479a JK |
141 | default y |
142 | help | |
143 | Say Y here to include code for verbose procfs contents (provides | |
a982ac06 | 144 | useful information to developers when a problem occurs). On the |
21a3479a JK |
145 | other side, it makes the ALSA subsystem larger. |
146 | ||
1da177e4 LT |
147 | config SND_VERBOSE_PRINTK |
148 | bool "Verbose printk" | |
1da177e4 LT |
149 | help |
150 | Say Y here to enable verbose log messages. These messages | |
151 | will help to identify source file and position containing | |
152 | printed messages. | |
153 | ||
154 | You don't need this unless you're debugging ALSA. | |
155 | ||
156 | config SND_DEBUG | |
157 | bool "Debug" | |
1da177e4 LT |
158 | help |
159 | Say Y here to enable ALSA debug code. | |
160 | ||
62cf872a TI |
161 | config SND_DEBUG_VERBOSE |
162 | bool "More verbose debug" | |
1da177e4 LT |
163 | depends on SND_DEBUG |
164 | help | |
62cf872a TI |
165 | Say Y here to enable extra-verbose debugging messages. |
166 | ||
167 | Let me repeat: it enables EXTRA-VERBOSE DEBUGGING messages. | |
168 | So, say Y only if you are ready to be annoyed. | |
61fb63c0 JK |
169 | |
170 | config SND_PCM_XRUN_DEBUG | |
171 | bool "Enable PCM ring buffer overrun/underrun debugging" | |
172 | default n | |
b7d90a35 | 173 | depends on SND_DEBUG && SND_VERBOSE_PROCFS |
61fb63c0 JK |
174 | help |
175 | Say Y to enable the PCM ring buffer overrun/underrun debugging. | |
176 | It is usually not required, but if you have trouble with | |
177 | sound clicking when system is loaded, it may help to determine | |
178 | the process or driver which causes the scheduling gaps. | |
e922b002 TI |
179 | |
180 | config SND_VMASTER | |
181 | bool | |
0528c749 | 182 | |
cc6a8acd TI |
183 | config SND_DMA_SGBUF |
184 | def_bool y | |
185 | depends on X86 | |
186 | ||
0528c749 | 187 | source "sound/core/seq/Kconfig" |