depends on SND
select SND_TIMER
help
- 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.
+ Say Y or M to enable MIDI sequencer and router support. This
+ feature allows routing and enqueueing of MIDI events. Events
+ can be processed at a given time.
+
+ Many programs require this feature, so you should enable it
+ unless you know what you're doing.
config SND_SEQ_DUMMY
tristate "Sequencer dummy client"
depends on SND_SEQUENCER
help
- 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.
+ Say Y here to enable the dummy sequencer client. This client
+ is a simple MIDI-through client: all normal input events are
+ redirected to the output port immediately.
+
+ You don't need this unless you want to connect many MIDI
+ devices or applications together.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-seq-dummy.
config SND_OSSEMUL
bool
depends on SND
select SND_OSSEMUL
help
- Say 'Y' or 'M' to enable mixer OSS API emulation (/dev/mixer*).
+ To enable OSS mixer API emulation (/dev/mixer*), say Y here
+ and read <file:Documentation/sound/alsa/OSS-Emulation.txt>.
+
+ Many programs still use the OSS API, so say Y.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-mixer-oss.
config SND_PCM_OSS
tristate "OSS PCM (digital audio) API"
select SND_OSSEMUL
select SND_PCM
help
- Say 'Y' or 'M' to enable digital audio (PCM) OSS API emulation (/dev/dsp*).
+ To enable OSS digital audio (PCM) emulation (/dev/dsp*), say Y
+ here and read <file:Documentation/sound/alsa/OSS-Emulation.txt>.
+
+ Many programs still use the OSS API, so say Y.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-pcm-oss.
config SND_SEQUENCER_OSS
bool "OSS Sequencer API"
depends on SND_SEQUENCER
select SND_OSSEMUL
help
- Say 'Y' to enable OSS sequencer emulation (both /dev/sequencer and
- /dev/music interfaces).
+ Say Y here to enable OSS sequencer emulation (both
+ /dev/sequencer and /dev/music interfaces).
+
+ Many programs still use the OSS API, so say Y.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-seq-oss.
config SND_BIT32_EMUL
tristate "Emulation for 32-bit applications"
- depends on SND && (MIPS64 || SPARC64 || PPC64 || X86_64 && IA32_EMULATION)
+ depends on SND && COMPAT
select SND_PCM
select SND_RAWMIDI
select SND_TIMER
select SND_HWDEP
help
- Say 'Y' or 'M' to enable the emulation for 32-bit ALSA-native
+ Say Y here to enable the emulation for 32-bit ALSA-native
applications.
+ To compile this driver as a module, choose M here: the module
+ will be called snd-ioctl32.
+
config SND_RTCTIMER
tristate "RTC Timer support"
depends on SND && RTC
select SND_TIMER
help
- 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.
+ Say Y here to enable RTC timer support for ALSA. ALSA uses
+ the RTC timer as a precise timing source and maps the RTC
+ timer to ALSA's timer interface. The ALSA sequencer code also
+ can use this timing source.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-rtctimer.
config SND_VERBOSE_PRINTK
bool "Verbose printk"
depends on SND
help
- Say 'Y' to enable verbose log messages. These messages will help to
- identify source file and position containing printed messages.
+ Say Y here to enable verbose log messages. These messages
+ will help to identify source file and position containing
+ printed messages.
+
+ You don't need this unless you're debugging ALSA.
config SND_DEBUG
bool "Debug"
depends on SND
help
- Say 'Y' to enable ALSA debug code.
+ Say Y here to enable ALSA debug code.
config SND_DEBUG_MEMORY
bool "Debug memory"
depends on SND_DEBUG
help
- Say 'Y' to enable debugging of memory allocation.
+ Say Y here to enable debugging of memory allocations.
config SND_DEBUG_DETECT
bool "Debug detection"
depends on SND_DEBUG
+ help
+ Say Y here to enable extra-verbose log messages printed when
+ detecting devices.