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#
# USB-Audio.conf - configuration for USB Audio devices
#
#
# DO NO EDIT; this is an internal ALSA file.
# If you want to add your own definitions, put them into /etc/asound.conf or
# ~/.asoundrc, with "cards." before the "USB-Audio", e.g.:
#
# cards.USB-Audio.pcm.use_dmix."NoiseBlaster 3000" no
#
# If your device requires such a definition to work correctly, please report it
# to <alsa-devel@alsa-project.org>.
# If a device has sample formats not supported by dmix, dmix can be disabled
# here.
USB-Audio.pcm.use_dmix {
"AudioPhile" no # uses big-endian 24-bit samples
"Audiophile USB (tm)" no
}
# If a device does not have a four-channel mode for the front/rear outputs,
# other modes can be selected here.
# six_channels - for devices that route the last two of the four channels
# to the center/LFE outputs
# two_stereo_devices - for devices that have two stereo audio interfaces
USB-Audio.pcm.surround40_type {
"AudioPhile" two_stereo_devices
"Audiophile USB (tm)" two_stereo_devices
"OmniStudio" two_stereo_devices
"Quattro" two_stereo_devices
"SB Audigy 2 NX" six_channels
}
# If a device does not use the first PCM device for digital data, the device
# number for the iec958 device can be changed here.
USB-Audio.pcm.iec958_device {
# "NoiseBlaster 3000" 42
# The below don't have digital in/out, so prevent them from being opened.
"Blue Snowball" 999
"HP Digital Stereo Headset" 999
"Logitech Speaker Lapdesk N700" 999
"Logitech USB Headset" 999
"Logitech Wireless Headset" 999
"Plantronics GameCom 780" 999
"Plantronics USB Headset" 999
"Plantronics Wireless Audio" 999
"SB WoW Headset" 999
"Scarlett 2i2 USB" 999
"Sennheiser USB headset" 999
"USB Device 0x46d:0x992" 999
}
# If a device requires non-standard definitions for front, surround40,
# surround51, surround71 or iec958, they can be defined here.
# M-Audio AudioPhile USB:
# device 0: analog output, digital input
# device 1: digital output, analog input
USB-Audio."AudioPhile".pcm.default "cards.USB-Audio.Audiophile USB (tm).pcm.default"
USB-Audio."Audiophile USB (tm)".pcm.default {
@args [ CARD ]
@args.CARD { type string }
type asym
playback.pcm {
type plug
slave.pcm {
type hw
card $CARD
device 0
}
}
capture.pcm {
type plug
slave.pcm {
@func concat
strings [ "dsnoop:DEVICE=1,CARD=" $CARD ]
}
}
}
USB-Audio."AudioPhile".pcm.iec958 "cards.USB-Audio.Audiophile USB (tm).pcm.iec958"
USB-Audio."Audiophile USB (tm)".pcm.iec958 {
@args [ CARD AES0 AES1 AES2 AES3 ]
@args.CARD { type string }
@args.AES0 { type integer }
@args.AES1 { type integer }
@args.AES2 { type integer }
@args.AES3 { type integer }
type asym
playback.pcm {
type hw
card $CARD
device 1
}
capture.pcm {
type hw
card $CARD
device 0
}
}
################################################################################
<confdir:pcm/front.conf>
USB-Audio.pcm.front.0 {
@args [ CARD ]
@args.CARD { type string }
@func refer
name {
@func concat
strings [
"cards.USB-Audio."
{ @func card_name card $CARD }
".pcm.front:CARD=" $CARD
]
}
default {
# We could use softvol, but the driver might have guessed a
# wrong name for the real volume control.
type hw
card $CARD
device 0
}
}
USB-Audio.pcm.default {
@args [ CARD ]
@args.CARD { type string }
type asym
playback.pcm {
type plug
slave.pcm {
@func refer
name {
@func concat
strings [
"cards.USB-Audio.pcm.default_playback_dmix_"
{
@func refer
name {
@func concat
strings [
"cards.USB-Audio.pcm.use_dmix."
{ @func card_name card $CARD }
]
}
default yes
}
":CARD=" $CARD
]
}
}
}
capture.pcm {
type plug
slave.pcm {
@func concat
strings [ "dsnoop:" $CARD ]
}
}
}
USB-Audio.pcm.default_playback_dmix_yes {
@args [ CARD ]
@args.CARD { type string }
@func concat
strings [ "dmix:" $CARD ]
}
USB-Audio.pcm.default_playback_dmix_no {
@args [ CARD ]
@args.CARD { type string }
type hw
card $CARD
device 0
}
<confdir:pcm/surround40.conf>
USB-Audio.pcm.surround40.0 {
@args [ CARD ]
@args.CARD { type string }
@func refer
name {
@func concat
strings [
"cards.USB-Audio."
{ @func card_name card $CARD }
".pcm.surround40:CARD=" $CARD
]
}
default {
@func refer
name {
@func concat
strings [
"cards.USB-Audio.pcm.surround40_"
{
@func refer
name {
@func concat
strings [
"cards.USB-Audio.pcm.surround40_type."
{ @func card_name card $CARD }
]
}
default default
}
":CARD=" $CARD
]
}
}
}
USB-Audio.pcm.surround40_default {
@args [ CARD ]
@args.CARD { type string }
type hw
card $CARD
device 0
}
USB-Audio.pcm.surround40_six_channels {
@args [ CARD ]
@args.CARD { type string }
type route
ttable.0.0 1
ttable.1.1 1
ttable.2.4 1
ttable.3.5 1
slave {
pcm {
type hw
card $CARD
device 0
}
channels 6
}
}
USB-Audio.pcm.surround40_two_stereo_devices {
@args [ CARD ]
@args.CARD { type string }
type route
ttable.0.0 1
ttable.1.1 1
ttable.2.2 1
ttable.3.3 1
slave.pcm {
type multi
slaves {
a {
pcm {
type hw
card $CARD
device 0
}
channels 2
}
b {
pcm {
type hw
card $CARD
device 1
}
channels 2
}
}
bindings [
{ slave a channel 0 }
{ slave a channel 1 }
{ slave b channel 0 }
{ slave b channel 1 }
]
}
}
<confdir:pcm/surround41.conf>
<confdir:pcm/surround50.conf>
<confdir:pcm/surround51.conf>
USB-Audio.pcm.surround51.0 {
@args [ CARD ]
@args.CARD { type string }
@func refer
name {
@func concat
strings [
"cards.USB-Audio."
{ @func card_name card $CARD }
".pcm.surround51:CARD=" $CARD
]
}
default {
type route
ttable.0.0 1
ttable.1.1 1
ttable.2.4 1
ttable.3.5 1
ttable.4.2 1
ttable.5.3 1
slave {
pcm {
type hw
card $CARD
device 0
}
channels 6
}
}
}
<confdir:pcm/surround71.conf>
USB-Audio.pcm.surround71.0 {
@args [ CARD ]
@args.CARD { type string }
@func refer
name {
@func concat
strings [
"cards.USB-Audio."
{ @func card_name card $CARD }
".pcm.surround71:CARD=" $CARD
]
}
default {
type route
ttable.0.0 1
ttable.1.1 1
ttable.2.4 1
ttable.3.5 1
ttable.4.2 1
ttable.5.3 1
ttable.6.6 1
ttable.7.7 1
slave {
pcm {
type hw
card $CARD
device 0
}
channels 8
}
}
}
<confdir:pcm/iec958.conf>
USB-Audio.pcm.iec958.0 {
@args [ CARD AES0 AES1 AES2 AES3 ]
@args.CARD { type string }
@args.AES0 { type integer }
@args.AES1 { type integer }
@args.AES2 { type integer }
@args.AES3 { type integer }
@func refer
name {
@func concat
strings [
"cards.USB-Audio."
{ @func card_name card $CARD }
".pcm.iec958:CARD=" $CARD
",AES0=" $AES0 ",AES1=" $AES1 ",AES2=" $AES2 ",AES3=" $AES3
]
}
default {
# FIXME: we cannot set the AES parameters
type hw
card $CARD
device {
@func refer
name {
@func concat
strings [
"cards.USB-Audio.pcm.iec958_device."
{ @func card_name card $CARD }
]
}
default 0
}
}
}
# vim: ft=alsaconf