# ALSA soundcard-configuration
config SND_TIMER
tristate
- depends on SND
config SND_PCM
tristate
select SND_TIMER
- depends on SND
config SND_HWDEP
tristate
- depends on SND
config SND_RAWMIDI
tristate
- depends on SND
+
+# To be effective this also requires INPUT - users should say:
+# select SND_JACK if INPUT=y || INPUT=SND
+# to avoid having to force INPUT on.
+config SND_JACK
+ bool
config SND_SEQUENCER
tristate "Sequencer support"
- depends on SND
select SND_TIMER
help
Say Y or M to enable MIDI sequencer and router support. This
will be called snd-seq-dummy.
config SND_OSSEMUL
+ select SOUND_OSS_CORE
bool
- depends on SND
config SND_MIXER_OSS
tristate "OSS Mixer API"
- depends on SND
select SND_OSSEMUL
help
To enable OSS mixer API emulation (/dev/mixer*), say Y here
config SND_PCM_OSS
tristate "OSS PCM (digital audio) API"
- depends on SND
select SND_OSSEMUL
select SND_PCM
help
config SND_SEQUENCER_OSS
bool "OSS Sequencer API"
- depends on SND && SND_SEQUENCER
+ depends on SND_SEQUENCER
select SND_OSSEMUL
help
Say Y here to enable OSS sequencer emulation (both
this will be compiled as a module. The module will be called
snd-seq-oss.
+config SND_HRTIMER
+ tristate "HR-timer backend support"
+ depends on HIGH_RES_TIMERS
+ select SND_TIMER
+ help
+ Say Y here to enable HR-timer backend for ALSA timer. ALSA uses
+ the hrtimer as a precise timing source. 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-hrtimer.
+
+config SND_SEQ_HRTIMER_DEFAULT
+ bool "Use HR-timer as default sequencer timer"
+ depends on SND_HRTIMER && SND_SEQUENCER
+ default y
+ help
+ Say Y here to use the HR-timer backend as the default sequencer
+ timer.
+
config SND_RTCTIMER
tristate "RTC Timer support"
- depends on SND && RTC
+ depends on RTC
select SND_TIMER
help
Say Y here to enable RTC timer support for ALSA. ALSA uses
To compile this driver as a module, choose M here: the module
will be called snd-rtctimer.
+ Note that this option is exclusive with the new RTC drivers
+ (CONFIG_RTC_CLASS) since this requires the old API.
+
config SND_SEQ_RTCTIMER_DEFAULT
bool "Use RTC as default sequencer timer"
depends on SND_RTCTIMER && SND_SEQUENCER
+ depends on !SND_SEQ_HRTIMER_DEFAULT
default y
help
Say Y here to use the RTC timer as the default sequencer
config SND_DYNAMIC_MINORS
bool "Dynamic device file minor numbers"
- depends on SND
help
If you say Y here, the minor numbers of ALSA device files in
/dev/snd/ are allocated dynamically. This allows you to have
config SND_SUPPORT_OLD_API
bool "Support old ALSA API"
- depends on SND
default y
help
Say Y here to support the obsolete ALSA PCM API (ver.0.9.0 rc3
config SND_VERBOSE_PROCFS
bool "Verbose procfs contents"
- depends on SND && PROC_FS
+ depends on PROC_FS
default y
help
Say Y here to include code for verbose procfs contents (provides
config SND_VERBOSE_PRINTK
bool "Verbose printk"
- depends on SND
help
Say Y here to enable verbose log messages. These messages
will help to identify source file and position containing
config SND_DEBUG
bool "Debug"
- depends on SND
help
Say Y here to enable ALSA debug code.
-config SND_DEBUG_DETECT
- bool "Debug detection"
+config SND_DEBUG_VERBOSE
+ bool "More verbose debug"
depends on SND_DEBUG
help
- Say Y here to enable extra-verbose log messages printed when
- detecting devices.
+ Say Y here to enable extra-verbose debugging messages.
+
+ Let me repeat: it enables EXTRA-VERBOSE DEBUGGING messages.
+ So, say Y only if you are ready to be annoyed.
config SND_PCM_XRUN_DEBUG
bool "Enable PCM ring buffer overrun/underrun debugging"
config SND_VMASTER
bool
- depends on SND