Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # ALSA soundcard-configuration |
| 2 | config SND_TIMER |
| 3 | tristate |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | |
| 5 | config SND_PCM |
| 6 | tristate |
| 7 | select SND_TIMER |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | |
Russell King | 838d163 | 2015-05-09 11:26:42 +0100 | [diff] [blame^] | 9 | config SND_PCM_ELD |
| 10 | bool |
| 11 | |
Daniel Mack | b7ae6f3 | 2013-08-12 10:42:37 +0200 | [diff] [blame] | 12 | config SND_DMAENGINE_PCM |
Daniel Mack | 903eb31 | 2013-08-15 16:03:52 +0200 | [diff] [blame] | 13 | tristate |
Daniel Mack | b7ae6f3 | 2013-08-12 10:42:37 +0200 | [diff] [blame] | 14 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | config SND_HWDEP |
| 16 | tristate |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | |
| 18 | config SND_RAWMIDI |
| 19 | tristate |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
Takashi Iwai | 5c845be | 2012-01-13 09:53:53 +0100 | [diff] [blame] | 21 | config SND_COMPRESS_OFFLOAD |
| 22 | tristate |
| 23 | |
Mark Brown | 0d94e41 | 2008-07-28 19:05:36 +0100 | [diff] [blame] | 24 | # To be effective this also requires INPUT - users should say: |
| 25 | # select SND_JACK if INPUT=y || INPUT=SND |
| 26 | # to avoid having to force INPUT on. |
| 27 | config SND_JACK |
| 28 | bool |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | config SND_SEQUENCER |
| 31 | tristate "Sequencer support" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | select SND_TIMER |
| 33 | help |
| 34 | Say Y or M to enable MIDI sequencer and router support. This |
| 35 | feature allows routing and enqueueing of MIDI events. Events |
| 36 | can be processed at a given time. |
| 37 | |
| 38 | Many programs require this feature, so you should enable it |
| 39 | unless you know what you're doing. |
| 40 | |
| 41 | config SND_SEQ_DUMMY |
| 42 | tristate "Sequencer dummy client" |
| 43 | depends on SND_SEQUENCER |
| 44 | help |
| 45 | Say Y here to enable the dummy sequencer client. This client |
| 46 | is a simple MIDI-through client: all normal input events are |
| 47 | redirected to the output port immediately. |
| 48 | |
| 49 | You don't need this unless you want to connect many MIDI |
| 50 | devices or applications together. |
| 51 | |
| 52 | To compile this driver as a module, choose M here: the module |
| 53 | will be called snd-seq-dummy. |
| 54 | |
| 55 | config SND_OSSEMUL |
Tejun Heo | d886e87 | 2008-08-28 16:42:51 +0200 | [diff] [blame] | 56 | select SOUND_OSS_CORE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | bool |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
| 59 | config SND_MIXER_OSS |
| 60 | tristate "OSS Mixer API" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | select SND_OSSEMUL |
| 62 | help |
| 63 | To enable OSS mixer API emulation (/dev/mixer*), say Y here |
| 64 | 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-mixer-oss. |
| 70 | |
| 71 | config SND_PCM_OSS |
| 72 | tristate "OSS PCM (digital audio) API" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | select SND_OSSEMUL |
| 74 | select SND_PCM |
| 75 | help |
| 76 | To enable OSS digital audio (PCM) emulation (/dev/dsp*), say Y |
| 77 | here and read <file:Documentation/sound/alsa/OSS-Emulation.txt>. |
| 78 | |
| 79 | Many programs still use the OSS API, so say Y. |
| 80 | |
| 81 | To compile this driver as a module, choose M here: the module |
| 82 | will be called snd-pcm-oss. |
| 83 | |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 84 | config SND_PCM_OSS_PLUGINS |
| 85 | bool "OSS PCM (digital audio) API - Include plugin system" |
| 86 | depends on SND_PCM_OSS |
| 87 | default y |
| 88 | help |
| 89 | If you disable this option, the ALSA's OSS PCM API will not |
| 90 | support conversion of channels, formats and rates. It will |
| 91 | behave like most of new OSS/Free drivers in 2.4/2.6 kernels. |
| 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | config SND_SEQUENCER_OSS |
| 94 | bool "OSS Sequencer API" |
Takashi Iwai | 89fe511 | 2008-05-23 16:10:37 +0200 | [diff] [blame] | 95 | depends on SND_SEQUENCER |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | select SND_OSSEMUL |
| 97 | help |
| 98 | Say Y here to enable OSS sequencer emulation (both |
| 99 | /dev/sequencer and /dev/music interfaces). |
| 100 | |
| 101 | Many programs still use the OSS API, so say Y. |
| 102 | |
Frederik Deweerdt | c2f60c5 | 2006-03-31 13:13:23 +0200 | [diff] [blame] | 103 | If you choose M in "Sequencer support" (SND_SEQUENCER), |
| 104 | this will be compiled as a module. The module will be called |
| 105 | snd-seq-oss. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
Takashi Iwai | bbaf5e9 | 2008-10-24 18:16:50 +0200 | [diff] [blame] | 107 | config SND_HRTIMER |
| 108 | tristate "HR-timer backend support" |
| 109 | depends on HIGH_RES_TIMERS |
| 110 | select SND_TIMER |
| 111 | help |
| 112 | Say Y here to enable HR-timer backend for ALSA timer. ALSA uses |
| 113 | the hrtimer as a precise timing source. The ALSA sequencer code |
| 114 | also can use this timing source. |
| 115 | |
| 116 | To compile this driver as a module, choose M here: the module |
| 117 | will be called snd-hrtimer. |
| 118 | |
| 119 | config SND_SEQ_HRTIMER_DEFAULT |
| 120 | bool "Use HR-timer as default sequencer timer" |
| 121 | depends on SND_HRTIMER && SND_SEQUENCER |
| 122 | default y |
| 123 | help |
| 124 | Say Y here to use the HR-timer backend as the default sequencer |
| 125 | timer. |
| 126 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | config SND_RTCTIMER |
| 128 | tristate "RTC Timer support" |
Takashi Iwai | 89fe511 | 2008-05-23 16:10:37 +0200 | [diff] [blame] | 129 | depends on RTC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | select SND_TIMER |
| 131 | help |
| 132 | Say Y here to enable RTC timer support for ALSA. ALSA uses |
| 133 | the RTC timer as a precise timing source and maps the RTC |
| 134 | timer to ALSA's timer interface. The ALSA sequencer code also |
| 135 | can use this timing source. |
| 136 | |
| 137 | To compile this driver as a module, choose M here: the module |
| 138 | will be called snd-rtctimer. |
| 139 | |
Takashi Iwai | 52948b3 | 2008-10-07 16:13:59 +0200 | [diff] [blame] | 140 | Note that this option is exclusive with the new RTC drivers |
| 141 | (CONFIG_RTC_CLASS) since this requires the old API. |
| 142 | |
Clemens Ladisch | a4f508b | 2005-09-06 08:00:19 +0200 | [diff] [blame] | 143 | config SND_SEQ_RTCTIMER_DEFAULT |
| 144 | bool "Use RTC as default sequencer timer" |
| 145 | depends on SND_RTCTIMER && SND_SEQUENCER |
Takashi Iwai | e78a37b | 2008-10-29 16:08:01 +0100 | [diff] [blame] | 146 | depends on !SND_SEQ_HRTIMER_DEFAULT |
Clemens Ladisch | a4f508b | 2005-09-06 08:00:19 +0200 | [diff] [blame] | 147 | default y |
| 148 | help |
| 149 | Say Y here to use the RTC timer as the default sequencer |
| 150 | timer. This is strongly recommended because it ensures |
| 151 | precise MIDI timing even when the system timer runs at less |
| 152 | than 1000 Hz. |
| 153 | |
| 154 | If in doubt, say Y. |
| 155 | |
Clemens Ladisch | 332682b | 2005-11-20 14:07:47 +0100 | [diff] [blame] | 156 | config SND_DYNAMIC_MINORS |
Clemens Ladisch | b10e539 | 2006-06-27 08:41:26 +0200 | [diff] [blame] | 157 | bool "Dynamic device file minor numbers" |
Clemens Ladisch | 332682b | 2005-11-20 14:07:47 +0100 | [diff] [blame] | 158 | help |
| 159 | If you say Y here, the minor numbers of ALSA device files in |
| 160 | /dev/snd/ are allocated dynamically. This allows you to have |
| 161 | more than 8 sound cards, but requires a dynamic device file |
| 162 | system like udev. |
| 163 | |
| 164 | If you are unsure about this, say N here. |
| 165 | |
Takashi Iwai | 7bb2491 | 2013-05-15 08:46:39 +0200 | [diff] [blame] | 166 | config SND_MAX_CARDS |
| 167 | int "Max number of sound cards" |
| 168 | range 4 256 |
| 169 | default 32 |
| 170 | depends on SND_DYNAMIC_MINORS |
| 171 | help |
| 172 | Specify the max number of sound cards that can be assigned |
| 173 | on a single machine. |
| 174 | |
Takashi Iwai | 59d4858 | 2005-12-01 10:51:58 +0100 | [diff] [blame] | 175 | config SND_SUPPORT_OLD_API |
| 176 | bool "Support old ALSA API" |
Takashi Iwai | 59d4858 | 2005-12-01 10:51:58 +0100 | [diff] [blame] | 177 | default y |
| 178 | help |
| 179 | Say Y here to support the obsolete ALSA PCM API (ver.0.9.0 rc3 |
| 180 | or older). |
| 181 | |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 182 | config SND_VERBOSE_PROCFS |
| 183 | bool "Verbose procfs contents" |
Takashi Iwai | 89fe511 | 2008-05-23 16:10:37 +0200 | [diff] [blame] | 184 | depends on PROC_FS |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 185 | default y |
| 186 | help |
| 187 | Say Y here to include code for verbose procfs contents (provides |
Matt LaPlante | a982ac0 | 2007-05-09 07:35:06 +0200 | [diff] [blame] | 188 | useful information to developers when a problem occurs). On the |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 189 | other side, it makes the ALSA subsystem larger. |
| 190 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | config SND_VERBOSE_PRINTK |
| 192 | bool "Verbose printk" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | help |
| 194 | Say Y here to enable verbose log messages. These messages |
| 195 | will help to identify source file and position containing |
| 196 | printed messages. |
| 197 | |
| 198 | You don't need this unless you're debugging ALSA. |
| 199 | |
| 200 | config SND_DEBUG |
| 201 | bool "Debug" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | help |
| 203 | Say Y here to enable ALSA debug code. |
| 204 | |
Takashi Iwai | 62cf872 | 2008-05-20 12:15:15 +0200 | [diff] [blame] | 205 | config SND_DEBUG_VERBOSE |
| 206 | bool "More verbose debug" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | depends on SND_DEBUG |
| 208 | help |
Takashi Iwai | 62cf872 | 2008-05-20 12:15:15 +0200 | [diff] [blame] | 209 | Say Y here to enable extra-verbose debugging messages. |
| 210 | |
| 211 | Let me repeat: it enables EXTRA-VERBOSE DEBUGGING messages. |
| 212 | So, say Y only if you are ready to be annoyed. |
Jaroslav Kysela | 61fb63c | 2006-04-24 21:57:16 +0200 | [diff] [blame] | 213 | |
| 214 | config SND_PCM_XRUN_DEBUG |
| 215 | bool "Enable PCM ring buffer overrun/underrun debugging" |
| 216 | default n |
Takashi Iwai | b7d90a3 | 2006-04-25 12:56:04 +0200 | [diff] [blame] | 217 | depends on SND_DEBUG && SND_VERBOSE_PROCFS |
Jaroslav Kysela | 61fb63c | 2006-04-24 21:57:16 +0200 | [diff] [blame] | 218 | help |
| 219 | Say Y to enable the PCM ring buffer overrun/underrun debugging. |
| 220 | It is usually not required, but if you have trouble with |
| 221 | sound clicking when system is loaded, it may help to determine |
| 222 | the process or driver which causes the scheduling gaps. |
Takashi Iwai | e922b00 | 2008-02-18 13:03:13 +0100 | [diff] [blame] | 223 | |
| 224 | config SND_VMASTER |
| 225 | bool |
Michal Marek | 0528c74 | 2009-05-26 17:07:52 +0200 | [diff] [blame] | 226 | |
Takashi Iwai | 35be544 | 2011-11-02 08:36:06 +0100 | [diff] [blame] | 227 | config SND_KCTL_JACK |
| 228 | bool |
| 229 | |
Takashi Iwai | cc6a8ac | 2008-06-17 16:39:06 +0200 | [diff] [blame] | 230 | config SND_DMA_SGBUF |
| 231 | def_bool y |
| 232 | depends on X86 |
| 233 | |
Michal Marek | 0528c74 | 2009-05-26 17:07:52 +0200 | [diff] [blame] | 234 | source "sound/core/seq/Kconfig" |