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 | |
| 9 | config SND_HWDEP |
| 10 | tristate |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | |
| 12 | config SND_RAWMIDI |
| 13 | tristate |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
Mark Brown | 0d94e41 | 2008-07-28 19:05:36 +0100 | [diff] [blame] | 15 | # To be effective this also requires INPUT - users should say: |
| 16 | # select SND_JACK if INPUT=y || INPUT=SND |
| 17 | # to avoid having to force INPUT on. |
| 18 | config SND_JACK |
| 19 | bool |
| 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | config SND_SEQUENCER |
| 22 | tristate "Sequencer support" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | select SND_TIMER |
| 24 | help |
| 25 | Say Y or M to enable MIDI sequencer and router support. This |
| 26 | feature allows routing and enqueueing of MIDI events. Events |
| 27 | can be processed at a given time. |
| 28 | |
| 29 | Many programs require this feature, so you should enable it |
| 30 | unless you know what you're doing. |
| 31 | |
| 32 | config SND_SEQ_DUMMY |
| 33 | tristate "Sequencer dummy client" |
| 34 | depends on SND_SEQUENCER |
| 35 | help |
| 36 | Say Y here to enable the dummy sequencer client. This client |
| 37 | is a simple MIDI-through client: all normal input events are |
| 38 | redirected to the output port immediately. |
| 39 | |
| 40 | You don't need this unless you want to connect many MIDI |
| 41 | devices or applications together. |
| 42 | |
| 43 | To compile this driver as a module, choose M here: the module |
| 44 | will be called snd-seq-dummy. |
| 45 | |
| 46 | config SND_OSSEMUL |
| 47 | bool |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
| 49 | config SND_MIXER_OSS |
| 50 | tristate "OSS Mixer API" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | select SND_OSSEMUL |
| 52 | help |
| 53 | To enable OSS mixer API emulation (/dev/mixer*), say Y here |
| 54 | and read <file:Documentation/sound/alsa/OSS-Emulation.txt>. |
| 55 | |
| 56 | Many programs still use the OSS API, so say Y. |
| 57 | |
| 58 | To compile this driver as a module, choose M here: the module |
| 59 | will be called snd-mixer-oss. |
| 60 | |
| 61 | config SND_PCM_OSS |
| 62 | tristate "OSS PCM (digital audio) API" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | select SND_OSSEMUL |
| 64 | select SND_PCM |
| 65 | help |
| 66 | To enable OSS digital audio (PCM) emulation (/dev/dsp*), say Y |
| 67 | here and read <file:Documentation/sound/alsa/OSS-Emulation.txt>. |
| 68 | |
| 69 | Many programs still use the OSS API, so say Y. |
| 70 | |
| 71 | To compile this driver as a module, choose M here: the module |
| 72 | will be called snd-pcm-oss. |
| 73 | |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 74 | config SND_PCM_OSS_PLUGINS |
| 75 | bool "OSS PCM (digital audio) API - Include plugin system" |
| 76 | depends on SND_PCM_OSS |
| 77 | default y |
| 78 | help |
| 79 | If you disable this option, the ALSA's OSS PCM API will not |
| 80 | support conversion of channels, formats and rates. It will |
| 81 | behave like most of new OSS/Free drivers in 2.4/2.6 kernels. |
| 82 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | config SND_SEQUENCER_OSS |
| 84 | bool "OSS Sequencer API" |
Takashi Iwai | 89fe511 | 2008-05-23 16:10:37 +0200 | [diff] [blame] | 85 | depends on SND_SEQUENCER |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | select SND_OSSEMUL |
| 87 | help |
| 88 | Say Y here to enable OSS sequencer emulation (both |
| 89 | /dev/sequencer and /dev/music interfaces). |
| 90 | |
| 91 | Many programs still use the OSS API, so say Y. |
| 92 | |
Frederik Deweerdt | c2f60c5 | 2006-03-31 13:13:23 +0200 | [diff] [blame] | 93 | If you choose M in "Sequencer support" (SND_SEQUENCER), |
| 94 | this will be compiled as a module. The module will be called |
| 95 | snd-seq-oss. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
| 97 | config SND_RTCTIMER |
| 98 | tristate "RTC Timer support" |
Takashi Iwai | 89fe511 | 2008-05-23 16:10:37 +0200 | [diff] [blame] | 99 | depends on RTC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | select SND_TIMER |
| 101 | help |
| 102 | Say Y here to enable RTC timer support for ALSA. ALSA uses |
| 103 | the RTC timer as a precise timing source and maps the RTC |
| 104 | timer to ALSA's timer interface. The ALSA sequencer code also |
| 105 | can use this timing source. |
| 106 | |
| 107 | To compile this driver as a module, choose M here: the module |
| 108 | will be called snd-rtctimer. |
| 109 | |
Clemens Ladisch | a4f508b | 2005-09-06 08:00:19 +0200 | [diff] [blame] | 110 | config SND_SEQ_RTCTIMER_DEFAULT |
| 111 | bool "Use RTC as default sequencer timer" |
| 112 | depends on SND_RTCTIMER && SND_SEQUENCER |
| 113 | default y |
| 114 | help |
| 115 | Say Y here to use the RTC timer as the default sequencer |
| 116 | timer. This is strongly recommended because it ensures |
| 117 | precise MIDI timing even when the system timer runs at less |
| 118 | than 1000 Hz. |
| 119 | |
| 120 | If in doubt, say Y. |
| 121 | |
Clemens Ladisch | 332682b | 2005-11-20 14:07:47 +0100 | [diff] [blame] | 122 | config SND_DYNAMIC_MINORS |
Clemens Ladisch | b10e539 | 2006-06-27 08:41:26 +0200 | [diff] [blame] | 123 | bool "Dynamic device file minor numbers" |
Clemens Ladisch | 332682b | 2005-11-20 14:07:47 +0100 | [diff] [blame] | 124 | help |
| 125 | If you say Y here, the minor numbers of ALSA device files in |
| 126 | /dev/snd/ are allocated dynamically. This allows you to have |
| 127 | more than 8 sound cards, but requires a dynamic device file |
| 128 | system like udev. |
| 129 | |
| 130 | If you are unsure about this, say N here. |
| 131 | |
Takashi Iwai | 59d4858 | 2005-12-01 10:51:58 +0100 | [diff] [blame] | 132 | config SND_SUPPORT_OLD_API |
| 133 | bool "Support old ALSA API" |
Takashi Iwai | 59d4858 | 2005-12-01 10:51:58 +0100 | [diff] [blame] | 134 | default y |
| 135 | help |
| 136 | Say Y here to support the obsolete ALSA PCM API (ver.0.9.0 rc3 |
| 137 | or older). |
| 138 | |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 139 | config SND_VERBOSE_PROCFS |
| 140 | bool "Verbose procfs contents" |
Takashi Iwai | 89fe511 | 2008-05-23 16:10:37 +0200 | [diff] [blame] | 141 | depends on PROC_FS |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 142 | default y |
| 143 | help |
| 144 | Say Y here to include code for verbose procfs contents (provides |
Matt LaPlante | a982ac0 | 2007-05-09 07:35:06 +0200 | [diff] [blame] | 145 | useful information to developers when a problem occurs). On the |
Jaroslav Kysela | 21a3479 | 2006-01-13 09:12:11 +0100 | [diff] [blame] | 146 | other side, it makes the ALSA subsystem larger. |
| 147 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | config SND_VERBOSE_PRINTK |
| 149 | bool "Verbose printk" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | help |
| 151 | Say Y here to enable verbose log messages. These messages |
| 152 | will help to identify source file and position containing |
| 153 | printed messages. |
| 154 | |
| 155 | You don't need this unless you're debugging ALSA. |
| 156 | |
| 157 | config SND_DEBUG |
| 158 | bool "Debug" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | help |
| 160 | Say Y here to enable ALSA debug code. |
| 161 | |
Takashi Iwai | 62cf872 | 2008-05-20 12:15:15 +0200 | [diff] [blame] | 162 | config SND_DEBUG_VERBOSE |
| 163 | bool "More verbose debug" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | depends on SND_DEBUG |
| 165 | help |
Takashi Iwai | 62cf872 | 2008-05-20 12:15:15 +0200 | [diff] [blame] | 166 | Say Y here to enable extra-verbose debugging messages. |
| 167 | |
| 168 | Let me repeat: it enables EXTRA-VERBOSE DEBUGGING messages. |
| 169 | So, say Y only if you are ready to be annoyed. |
Jaroslav Kysela | 61fb63c | 2006-04-24 21:57:16 +0200 | [diff] [blame] | 170 | |
| 171 | config SND_PCM_XRUN_DEBUG |
| 172 | bool "Enable PCM ring buffer overrun/underrun debugging" |
| 173 | default n |
Takashi Iwai | b7d90a3 | 2006-04-25 12:56:04 +0200 | [diff] [blame] | 174 | depends on SND_DEBUG && SND_VERBOSE_PROCFS |
Jaroslav Kysela | 61fb63c | 2006-04-24 21:57:16 +0200 | [diff] [blame] | 175 | help |
| 176 | Say Y to enable the PCM ring buffer overrun/underrun debugging. |
| 177 | It is usually not required, but if you have trouble with |
| 178 | sound clicking when system is loaded, it may help to determine |
| 179 | the process or driver which causes the scheduling gaps. |
Takashi Iwai | e922b00 | 2008-02-18 13:03:13 +0100 | [diff] [blame] | 180 | |
| 181 | config SND_VMASTER |
| 182 | bool |