Merge branch 'topic/aloop' into topic/misc

This commit is contained in:
Takashi Iwai 2010-08-18 15:17:42 +02:00
commit 7ac03db84b
3 changed files with 1076 additions and 0 deletions

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@ -74,6 +74,25 @@ config SND_DUMMY
To compile this driver as a module, choose M here: the module
will be called snd-dummy.
config SND_ALOOP
tristate "Generic loopback driver (PCM)"
select SND_PCM
help
Say 'Y' or 'M' to include support for the PCM loopback device.
This module returns played samples back to the user space using
the standard ALSA PCM device. The devices are routed 0->1 and
1->0, where first number is the playback PCM device and second
number is the capture device. Module creates two PCM devices and
configured number of substreams (see the pcm_substreams module
parameter).
The looback device allow time sychronization with an external
timing source using the time shift universal control (+-20%
of system time).
To compile this driver as a module, choose M here: the module
will be called snd-aloop.
config SND_VIRMIDI
tristate "Virtual MIDI soundcard"
depends on SND_SEQUENCER

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@ -4,6 +4,7 @@
#
snd-dummy-objs := dummy.o
snd-aloop-objs := aloop.o
snd-mtpav-objs := mtpav.o
snd-mts64-objs := mts64.o
snd-portman2x4-objs := portman2x4.o
@ -13,6 +14,7 @@ snd-ml403-ac97cr-objs := ml403-ac97cr.o pcm-indirect2.o
# Toplevel Module Dependency
obj-$(CONFIG_SND_DUMMY) += snd-dummy.o
obj-$(CONFIG_SND_ALOOP) += snd-aloop.o
obj-$(CONFIG_SND_VIRMIDI) += snd-virmidi.o
obj-$(CONFIG_SND_SERIAL_U16550) += snd-serial-u16550.o
obj-$(CONFIG_SND_MTPAV) += snd-mtpav.o

1055
sound/drivers/aloop.c Normal file

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