!!################################
!!ALSA Information Script v 0.4.37
!!################################

!!Script ran on: Mon Feb 25 02:48:44 EST 2008


!!Linux Distribution
!!------------------

PCLinuxOS release 2007 (PCLinuxOS) for i586 PCLinuxOS release 2007 (PCLinuxOS) for i586 PCLinuxOS release 2007 (PCLinuxOS) for i586 PCLinuxOS release 2007 (PCLinuxOS) for i586 PCLinuxOS release 2007 (PCLinuxOS) for i586 PCLinuxOS release 2007 (PCLinuxOS) for i586 PCLinuxOS release 2007 (PCLinuxOS) for i586 2007 1 PCLinuxOS


!!Kernel Information
!!------------------

Kernel release:    2.6.24.2.dev6.rt
Operating System:  GNU/Linux
Architecture:      i686
Processor:         AMD Athlon(tm) XP 3000 
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     1.0.16
Library version:    1.0.16
Utilities version:  1.0.16


!!Loaded ALSA modules
!!-------------------

snd_ice1724
snd_usb_audio
snd_usb_audio


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [AV710          ]: ICE1724 - Chaintech AV-710
                      Chaintech AV-710 at 0xd800, irq 19
 1 [Keystation     ]: USB-Audio - Keystation
                      M-Audio Keystation at usb-0000:00:03.0-1, full speed
 2 [BCF2000        ]: USB-Audio - BCF2000
                      BEHRINGER BCF2000 at usb-0000:00:03.0-3, full speed


!!PCI Soundcards installed in the system
!!--------------------------------------

00:0a.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01)


!!Advanced information - PCI Vendor/Device/Susbsystem ID's
!!--------------------------------------------------------

00:0a.0 0401: 1412:1724 (rev 01)
	Subsystem: 1412:1724


!!Loaded sound module options
!!--------------------------

!!Module: snd_ice1724

!!Module: snd_usb_audio

!!Module: snd_usb_audio


!!ALSA Device nodes
!!-----------------

crw-rw---- 1 rocxshop audio 116,  0 Feb 23 20:51 /dev/snd/controlC0
crw-rw---- 1 rocxshop audio 116, 32 Feb 23 20:51 /dev/snd/controlC1
crw-rw---- 1 rocxshop audio 116, 64 Feb 24 18:50 /dev/snd/controlC2
crw-rw---- 1 rocxshop audio 116, 40 Feb 23 20:51 /dev/snd/midiC1D0
crw-rw---- 1 rocxshop audio 116, 72 Feb 24 18:50 /dev/snd/midiC2D0
crw-rw---- 1 rocxshop audio 116, 24 Feb 23 20:51 /dev/snd/pcmC0D0c
crw-rw---- 1 rocxshop audio 116, 16 Feb 25 01:45 /dev/snd/pcmC0D0p
crw-rw---- 1 rocxshop audio 116, 17 Feb 23 20:51 /dev/snd/pcmC0D1p
crw-rw---- 1 rocxshop audio 116,  1 Feb 23 20:51 /dev/snd/seq
crw-rw---- 1 rocxshop audio 116, 33 Feb 23 20:51 /dev/snd/timer


!!Aplay/Arecord output
!!------------

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: AV710 [Chaintech AV-710], device 0: ICE1724 [ICE1724]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: AV710 [Chaintech AV-710], device 1: IEC1724 IEC958 [IEC1724 IEC958]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: AV710 [Chaintech AV-710], device 0: ICE1724 [ICE1724]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card 0 [AV710]

Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 19 [61%] [-18.00dB] [on]
  Front Right: Playback 19 [61%] [-18.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 21 [68%] [-3.00dB] [on]
  Front Right: Playback 21 [68%] [-3.00dB] [on]
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 24 [77%] [-10.50dB] [on]
  Front Right: Playback 24 [77%] [-10.50dB] [on]
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 24 [77%] [-10.50dB] [on]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 24 [77%] [-10.50dB] [on]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 24 [77%] [1.50dB] [on] Capture [off]
  Front Right: Playback 24 [77%] [1.50dB] [on] Capture [off]
Simple mixer control 'CD',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 24 [77%] [1.50dB] [on] Capture [off]
  Front Right: Playback 24 [77%] [1.50dB] [on] Capture [off]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 24 [77%] [1.50dB] [off]
  Front Left: Capture [on]
  Front Right: Capture [on]
Simple mixer control 'Mic Boost ( 20dB)',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Mic Select',0
  Capabilities: enum
  Items: 'Mic1' 'Mic2'
  Item0: 'Mic1'
Simple mixer control 'Video',0
  Capabilities: cswitch cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Phone',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 24 [77%] [1.50dB] [on]
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'IEC958',0
  Capabilities: penum
  Items: 'PCM Out' 'H/W In 0' 'H/W In 1' 'IEC958 In L' 'IEC958 In R'
  Item0: 'PCM Out'
Simple mixer control 'IEC958 Output',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958',1
  Capabilities: penum
  Items: 'PCM Out' 'H/W In 0' 'H/W In 1' 'IEC958 In L' 'IEC958 In R'
  Item0: 'PCM Out'
Simple mixer control 'PC Speaker',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 15
  Mono: Playback 12 [80%] [-9.00dB] [on]
Simple mixer control 'Aux',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 24 [77%] [1.50dB] [on] Capture [off]
  Front Right: Playback 24 [77%] [1.50dB] [on] Capture [off]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 15
  Front Left: Capture 12 [80%] [18.00dB] [on]
  Front Right: Capture 12 [80%] [18.00dB] [on]
Simple mixer control 'Mix',0
  Capabilities: cswitch cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Mix Mono',0
  Capabilities: cswitch cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'External Amplifier',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'H/W',0
  Capabilities: penum
  Items: 'PCM Out' 'H/W In 0' 'H/W In 1' 'IEC958 In L' 'IEC958 In R'
  Item0: 'PCM Out'
Simple mixer control 'H/W',1
  Capabilities: penum
  Items: 'PCM Out' 'H/W In 0' 'H/W In 1' 'IEC958 In L' 'IEC958 In R'
  Item0: 'PCM Out'
Simple mixer control 'Multi Track Internal Clock',0
  Capabilities: enum
  Items: '8000' '9600' '11025' '12000' '16000' '22050' '24000' '32000' '44100' '48000' '64000' '88200' '96000' '176400' '192000' 'IEC958 Input'
  Item0: '48000'
Simple mixer control 'Multi Track Peak',0
  Capabilities: volume
  Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right - Rear Center - ? - ? - ? - ? - ? - ? - ? - ? - ? - ? - ? - ? - ?
  Capture channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right - Rear Center - ? - ? - ? - ? - ? - ? - ? - ? - ? - ? - ? - ? - ?
  Limits: 0 - 255
  Front Left: 236 [93%]
  Front Right: 236 [93%]
  Rear Left: 0 [0%]
  Rear Right: 0 [0%]
  Front Center: 0 [0%]
  Woofer: 0 [0%]
  Side Left: 0 [0%]
  Side Right: 0 [0%]
  Rear Center: 0 [0%]
  ?: 0 [0%]
  ?: 5 [2%]
  ?: 3 [1%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
  ?: 0 [0%]
Simple mixer control 'Multi Track Rate Locking',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Multi Track Rate Reset',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]

!!-------Mixer controls for card 1 [Keystation]


!!-------Mixer controls for card 2 [BCF2000]



!!Alsactl output
!!-------------

--startcollapse--
state.AV710 {
	control.1 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Master Playback Switch'
		value true
	}
	control.2 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -4650
		comment.dbmax 0
		iface MIXER
		name 'Master Playback Volume'
		value.0 19
		value.1 19
	}
	control.3 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Center Playback Switch'
		value true
	}
	control.4 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 1
		comment.range '0 - 31'
		comment.dbmin -4650
		comment.dbmax 0
		iface MIXER
		name 'Center Playback Volume'
		value 24
	}
	control.5 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'LFE Playback Switch'
		value true
	}
	control.6 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 1
		comment.range '0 - 31'
		comment.dbmin -4650
		comment.dbmax 0
		iface MIXER
		name 'LFE Playback Volume'
		value 24
	}
	control.7 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 2
		iface MIXER
		name 'Surround Playback Switch'
		value.0 true
		value.1 true
	}
	control.8 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -4650
		comment.dbmax 0
		iface MIXER
		name 'Surround Playback Volume'
		value.0 24
		value.1 24
	}
	control.9 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'PC Speaker Playback Switch'
		value true
	}
	control.10 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 1
		comment.range '0 - 15'
		comment.dbmin -4500
		comment.dbmax 0
		iface MIXER
		name 'PC Speaker Playback Volume'
		value 12
	}
	control.11 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Phone Playback Switch'
		value true
	}
	control.12 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 1
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'Phone Playback Volume'
		value 24
	}
	control.13 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Mic Playback Switch'
		value false
	}
	control.14 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 1
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'Mic Playback Volume'
		value 24
	}
	control.15 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Mic Boost ( 20dB)'
		value false
	}
	control.16 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Line Playback Switch'
		value true
	}
	control.17 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'Line Playback Volume'
		value.0 24
		value.1 24
	}
	control.18 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'CD Playback Switch'
		value true
	}
	control.19 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'CD Playback Volume'
		value.0 24
		value.1 24
	}
	control.20 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Aux Playback Switch'
		value true
	}
	control.21 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'Aux Playback Volume'
		value.0 24
		value.1 24
	}
	control.22 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'PCM Playback Switch'
		value true
	}
	control.23 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'PCM Playback Volume'
		value.0 21
		value.1 21
	}
	control.24 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 2
		comment.item.0 Mic
		comment.item.1 CD
		comment.item.2 Video
		comment.item.3 Aux
		comment.item.4 Line
		comment.item.5 Mix
		comment.item.6 'Mix Mono'
		comment.item.7 Phone
		iface MIXER
		name 'Capture Source'
		value.0 Mic
		value.1 Mic
	}
	control.25 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Capture Switch'
		value true
	}
	control.26 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 15'
		comment.dbmin 0
		comment.dbmax 2250
		iface MIXER
		name 'Capture Volume'
		value.0 12
		value.1 12
	}
	control.27 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 Mic1
		comment.item.1 Mic2
		iface MIXER
		name 'Mic Select'
		value Mic1
	}
	control.28 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'External Amplifier'
		value false
	}
	control.29 {
		comment.access read
		comment.type BYTES
		comment.count 52
		iface CARD
		name 'ICE1724 EEPROM'
		value '172414121c01020210c1ff0000ff0000ff0000000101010001000000000000000000000000000000ff000000ff000000ff000000'
	}
	control.30 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 '8000'
		comment.item.1 '9600'
		comment.item.2 '11025'
		comment.item.3 '12000'
		comment.item.4 '16000'
		comment.item.5 '22050'
		comment.item.6 '24000'
		comment.item.7 '32000'
		comment.item.8 '44100'
		comment.item.9 '48000'
		comment.item.10 '64000'
		comment.item.11 '88200'
		comment.item.12 '96000'
		comment.item.13 '176400'
		comment.item.14 '192000'
		comment.item.15 'IEC958 Input'
		iface MIXER
		name 'Multi Track Internal Clock'
		value '48000'
	}
	control.31 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Multi Track Rate Locking'
		value false
	}
	control.32 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Multi Track Rate Reset'
		value true
	}
	control.33 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 'PCM Out'
		comment.item.1 'H/W In 0'
		comment.item.2 'H/W In 1'
		comment.item.3 'IEC958 In L'
		comment.item.4 'IEC958 In R'
		iface MIXER
		name 'H/W Playback Route'
		value 'PCM Out'
	}
	control.34 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 'PCM Out'
		comment.item.1 'H/W In 0'
		comment.item.2 'H/W In 1'
		comment.item.3 'IEC958 In L'
		comment.item.4 'IEC958 In R'
		iface MIXER
		name 'H/W Playback Route'
		index 1
		value 'PCM Out'
	}
	control.35 {
		comment.access read
		comment.type INTEGER
		comment.count 22
		comment.range '0 - 255'
		iface MIXER
		name 'Multi Track Peak'
		value.0 12
		value.1 15
		value.2 0
		value.3 0
		value.4 0
		value.5 0
		value.6 0
		value.7 0
		value.8 0
		value.9 0
		value.10 4
		value.11 3
		value.12 0
		value.13 0
		value.14 0
		value.15 0
		value.16 0
		value.17 0
		value.18 0
		value.19 0
		value.20 0
		value.21 0
	}
	control.36 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 'PCM Out'
		comment.item.1 'H/W In 0'
		comment.item.2 'H/W In 1'
		comment.item.3 'IEC958 In L'
		comment.item.4 'IEC958 In R'
		iface MIXER
		name 'IEC958 Playback Route'
		value 'PCM Out'
	}
	control.37 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 'PCM Out'
		comment.item.1 'H/W In 0'
		comment.item.2 'H/W In 1'
		comment.item.3 'IEC958 In L'
		comment.item.4 'IEC958 In R'
		iface MIXER
		name 'IEC958 Playback Route'
		index 1
		value 'PCM Out'
	}
	control.38 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'IEC958 Output Switch'
		value false
	}
	control.39 {
		comment.access 'read write'
		comment.type IEC958
		comment.count 1
		iface PCM
		device 1
		name 'IEC958 Playback Default'
		value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
	}
	control.40 {
		comment.access read
		comment.type IEC958
		comment.count 1
		iface PCM
		device 1
		name 'IEC958 Playback Con Mask'
		value '3fff000f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
	}
	control.41 {
		comment.access read
		comment.type IEC958
		comment.count 1
		iface PCM
		device 1
		name 'IEC958 Playback Pro Mask'
		value df00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
	}
}
state.Keystation {
	control {
	}
}
state.BCF2000 {
	control {
	}
}
--endcollapse--


!!All Loaded Modules
!!------------------

Module
nls_iso8859_1
nls_cp437
vfat
fat
sg
snd_seq_midi
snd_usb_audio
snd_usb_lib
snd_hwdep
snd_seq_dummy
snd_seq_oss
snd_seq_midi_event
snd_seq
snd_pcm_oss
snd_mixer_oss
snd_ice1724
snd_ice17xx_ak4xxx
snd_ac97_codec
snd_ak4114
snd_pcm
snd_timer
snd_page_alloc
snd_pt2258
snd_i2c
snd_ak4xxx_adda
snd_mpu401_uart
snd_rawmidi
snd_seq_device
snd
soundcore
nvidia
i2c_core
sis900
mii
af_packet
ac97_bus
video
output
thermal
sbs
sbshc
fan
container
button
dock
battery
ac
ide_cd
cdrom
binfmt_misc
loop
dm_mod
cpufreq_ondemand
cpufreq_conservative
cpufreq_powersave
freq_table
processor
sis_agp
agpgart
usblp
usbmouse
usbkbd
evdev
reiserfs
usb_storage
sd_mod
scsi_mod
usbhid
ff_memless
hid
ohci_hcd
ehci_hcd
uhci_hcd
usbcore