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CONFIG_SND_SEQUENCER
Say 'Y' or 'M' to enable MIDI sequencer and router support. This feature
allows routing and enqueing MIDI events. Events can be processed at given
time.
CONFIG_SND_SEQ_DUMMY
Say 'Y' or 'M' to enable dummy sequencer client. This client is a simple
midi-through client. All normal input events are redirected to output port
immediately.
CONFIG_SND_OSSEMUL
Say 'Y' to enable OSS (Open Sound System) API emulation code.
CONFIG_SND_MIXER_OSS
Say 'Y' or 'M' to enable mixer OSS API emulation (/dev/mixer*).
CONFIG_SND_PCM_OSS
Say 'Y' or 'M' to enable digital audio (PCM) OSS API emulation (/dev/dsp*).
CONFIG_SND_SEQUENCER_OSS
Say 'Y' or 'M' to enable OSS sequencer emulation (both /dev/sequencer and
/dev/music interfaces).
CONFIG_SND_RTCTIMER
Say 'Y' or 'M' to enable RTC timer support for ALSA. ALSA code uses RTC
timer as precise timing source and maps the RTC timer to the ALSA's timer
interface. ALSA sequencer code can also use this timing source.
CONFIG_SND_VERBOSE_PRINTK
Say 'Y' to enable verbose log messages. These messages will help to
identify source file and position containing printed messages.
CONFIG_SND_DEBUG
Say 'Y' to enable ALSA debug code.
CONFIG_SND_DEBUG_MEMORY
Say 'Y' to enable debugging of memory allocation.
CONFIG_SND_DEBUG_DETECTION
Say 'Y' to enable debugging of hardware detection.