11da177e4SLinus Torvalds# ALSA soundcard-configuration 21da177e4SLinus Torvaldsconfig SND_TIMER 31da177e4SLinus Torvalds tristate 41da177e4SLinus Torvalds depends on SND 51da177e4SLinus Torvalds 61da177e4SLinus Torvaldsconfig SND_PCM 71da177e4SLinus Torvalds tristate 81da177e4SLinus Torvalds select SND_TIMER 91da177e4SLinus Torvalds depends on SND 101da177e4SLinus Torvalds 111da177e4SLinus Torvaldsconfig SND_HWDEP 121da177e4SLinus Torvalds tristate 131da177e4SLinus Torvalds depends on SND 141da177e4SLinus Torvalds 151da177e4SLinus Torvaldsconfig SND_RAWMIDI 161da177e4SLinus Torvalds tristate 171da177e4SLinus Torvalds depends on SND 181da177e4SLinus Torvalds 191da177e4SLinus Torvaldsconfig SND_SEQUENCER 201da177e4SLinus Torvalds tristate "Sequencer support" 211da177e4SLinus Torvalds depends on SND 221da177e4SLinus Torvalds select SND_TIMER 231da177e4SLinus Torvalds help 241da177e4SLinus Torvalds Say Y or M to enable MIDI sequencer and router support. This 251da177e4SLinus Torvalds feature allows routing and enqueueing of MIDI events. Events 261da177e4SLinus Torvalds can be processed at a given time. 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds Many programs require this feature, so you should enable it 291da177e4SLinus Torvalds unless you know what you're doing. 301da177e4SLinus Torvalds 311da177e4SLinus Torvaldsconfig SND_SEQ_DUMMY 321da177e4SLinus Torvalds tristate "Sequencer dummy client" 331da177e4SLinus Torvalds depends on SND_SEQUENCER 341da177e4SLinus Torvalds help 351da177e4SLinus Torvalds Say Y here to enable the dummy sequencer client. This client 361da177e4SLinus Torvalds is a simple MIDI-through client: all normal input events are 371da177e4SLinus Torvalds redirected to the output port immediately. 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds You don't need this unless you want to connect many MIDI 401da177e4SLinus Torvalds devices or applications together. 411da177e4SLinus Torvalds 421da177e4SLinus Torvalds To compile this driver as a module, choose M here: the module 431da177e4SLinus Torvalds will be called snd-seq-dummy. 441da177e4SLinus Torvalds 451da177e4SLinus Torvaldsconfig SND_OSSEMUL 461da177e4SLinus Torvalds bool 471da177e4SLinus Torvalds depends on SND 481da177e4SLinus Torvalds 491da177e4SLinus Torvaldsconfig SND_MIXER_OSS 501da177e4SLinus Torvalds tristate "OSS Mixer API" 511da177e4SLinus Torvalds depends on SND 521da177e4SLinus Torvalds select SND_OSSEMUL 531da177e4SLinus Torvalds help 541da177e4SLinus Torvalds To enable OSS mixer API emulation (/dev/mixer*), say Y here 551da177e4SLinus Torvalds and read <file:Documentation/sound/alsa/OSS-Emulation.txt>. 561da177e4SLinus Torvalds 571da177e4SLinus Torvalds Many programs still use the OSS API, so say Y. 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds To compile this driver as a module, choose M here: the module 601da177e4SLinus Torvalds will be called snd-mixer-oss. 611da177e4SLinus Torvalds 621da177e4SLinus Torvaldsconfig SND_PCM_OSS 631da177e4SLinus Torvalds tristate "OSS PCM (digital audio) API" 641da177e4SLinus Torvalds depends on SND 651da177e4SLinus Torvalds select SND_OSSEMUL 661da177e4SLinus Torvalds select SND_PCM 671da177e4SLinus Torvalds help 681da177e4SLinus Torvalds To enable OSS digital audio (PCM) emulation (/dev/dsp*), say Y 691da177e4SLinus Torvalds here and read <file:Documentation/sound/alsa/OSS-Emulation.txt>. 701da177e4SLinus Torvalds 711da177e4SLinus Torvalds Many programs still use the OSS API, so say Y. 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds To compile this driver as a module, choose M here: the module 741da177e4SLinus Torvalds will be called snd-pcm-oss. 751da177e4SLinus Torvalds 761da177e4SLinus Torvaldsconfig SND_SEQUENCER_OSS 771da177e4SLinus Torvalds bool "OSS Sequencer API" 781da177e4SLinus Torvalds depends on SND && SND_SEQUENCER 791da177e4SLinus Torvalds select SND_OSSEMUL 801da177e4SLinus Torvalds help 811da177e4SLinus Torvalds Say Y here to enable OSS sequencer emulation (both 821da177e4SLinus Torvalds /dev/sequencer and /dev/music interfaces). 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds Many programs still use the OSS API, so say Y. 851da177e4SLinus Torvalds 861da177e4SLinus Torvalds To compile this driver as a module, choose M here: the module 871da177e4SLinus Torvalds will be called snd-seq-oss. 881da177e4SLinus Torvalds 891da177e4SLinus Torvaldsconfig SND_RTCTIMER 901da177e4SLinus Torvalds tristate "RTC Timer support" 911da177e4SLinus Torvalds depends on SND && RTC 921da177e4SLinus Torvalds select SND_TIMER 931da177e4SLinus Torvalds help 941da177e4SLinus Torvalds Say Y here to enable RTC timer support for ALSA. ALSA uses 951da177e4SLinus Torvalds the RTC timer as a precise timing source and maps the RTC 961da177e4SLinus Torvalds timer to ALSA's timer interface. The ALSA sequencer code also 971da177e4SLinus Torvalds can use this timing source. 981da177e4SLinus Torvalds 991da177e4SLinus Torvalds To compile this driver as a module, choose M here: the module 1001da177e4SLinus Torvalds will be called snd-rtctimer. 1011da177e4SLinus Torvalds 102a4f508b2SClemens Ladischconfig SND_SEQ_RTCTIMER_DEFAULT 103a4f508b2SClemens Ladisch bool "Use RTC as default sequencer timer" 104a4f508b2SClemens Ladisch depends on SND_RTCTIMER && SND_SEQUENCER 105a4f508b2SClemens Ladisch default y 106a4f508b2SClemens Ladisch help 107a4f508b2SClemens Ladisch Say Y here to use the RTC timer as the default sequencer 108a4f508b2SClemens Ladisch timer. This is strongly recommended because it ensures 109a4f508b2SClemens Ladisch precise MIDI timing even when the system timer runs at less 110a4f508b2SClemens Ladisch than 1000 Hz. 111a4f508b2SClemens Ladisch 112a4f508b2SClemens Ladisch If in doubt, say Y. 113a4f508b2SClemens Ladisch 1141da177e4SLinus Torvaldsconfig SND_VERBOSE_PRINTK 1151da177e4SLinus Torvalds bool "Verbose printk" 1161da177e4SLinus Torvalds depends on SND 1171da177e4SLinus Torvalds help 1181da177e4SLinus Torvalds Say Y here to enable verbose log messages. These messages 1191da177e4SLinus Torvalds will help to identify source file and position containing 1201da177e4SLinus Torvalds printed messages. 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvalds You don't need this unless you're debugging ALSA. 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvaldsconfig SND_DEBUG 1251da177e4SLinus Torvalds bool "Debug" 1261da177e4SLinus Torvalds depends on SND 1271da177e4SLinus Torvalds help 1281da177e4SLinus Torvalds Say Y here to enable ALSA debug code. 1291da177e4SLinus Torvalds 1301da177e4SLinus Torvaldsconfig SND_DEBUG_MEMORY 1311da177e4SLinus Torvalds bool "Debug memory" 1321da177e4SLinus Torvalds depends on SND_DEBUG 1331da177e4SLinus Torvalds help 1341da177e4SLinus Torvalds Say Y here to enable debugging of memory allocations. 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvaldsconfig SND_DEBUG_DETECT 1371da177e4SLinus Torvalds bool "Debug detection" 1381da177e4SLinus Torvalds depends on SND_DEBUG 1391da177e4SLinus Torvalds help 1401da177e4SLinus Torvalds Say Y here to enable extra-verbose log messages printed when 1411da177e4SLinus Torvalds detecting devices. 1421da177e4SLinus Torvalds 143ecbcfe36STakashi Iwaiconfig SND_GENERIC_DRIVER 1441da177e4SLinus Torvalds bool 1451da177e4SLinus Torvalds depends on SND 146