!!################################
!!ALSA Information Script v 0.4.51
!!################################

!!Script ran on: sam sep  6 08:10:57 CEST 2008


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

Mandriva Linux release 2008.1 (Official) for i586 LSB_VERSION=lsb-3.1-ia32:lsb-3.1-noarch DISTRIB_ID=MandrivaLinux DISTRIB_DESCRIPTION="Mandriva Linux 2008.1" Mandriva Linux release 2008.1 (Official) for i586 Mandriva Linux release 2008.1 (Official) for i586 Mandriva Linux release 2008.1 (Official) for i586 Mandriva Linux release 2008.1 (Official) for i586 Mandriva Linux release 2008.1 (Official) for i586


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

Kernel release:    2.6.24.7-desktop586-1mnb
Operating System:  GNU/Linux
Architecture:      i686
Processor:         AMD Athlon(tm) XP 3000 
SMP Enabled:       Yes


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

Driver version:     1.0.16
Library version:    
Utilities version:  1.0.16


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

snd_intel8x0


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

 0 [SI7012         ]: ICH - SiS SI7012
                      SiS SI7012 with CMI9761B at irq 19


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

00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] AC'97 Sound Controller (rev a0)


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

00:02.7 0401: 1039:7012 (rev a0)
	Subsystem: 1849:7012


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

!!Module: snd_intel8x0


!!AC97 Codec information
!!---------------------------
--startcollapse--

0-0/0: C-Media Electronics CMI9761B

PCI Subsys Vendor: 0x1849
PCI Subsys Device: 0x7012

Revision         : 0x01
Compat. Class    : 0x03
Subsys. Vendor ID: 0xffff
Subsys. ID       : 0xffff

Capabilities     :
DAC resolution   : 16-bit
ADC resolution   : 16-bit
3D enhancement   : No 3D Stereo Enhancement

Current setup
Mic gain         :  0dB [ 0dB]
POP path         : pre 3D
Sim. stereo      : off
3D enhancement   : off
Loudness         : off
Mono output      : MIX
Mic select       : Mic1
ADC/DAC loopback : off
Double rate slots: 10/11
Extended ID      : codec=0 rev=2 AMAP LDAC SDAC CDAC DSA=0 DRA
Extended status  : SPCV LDAC SDAC CDAC SPDIF

0:00 = 0000
0:02 = 0000
0:04 = 0000
0:06 = 0000
0:08 = 0000
0:0a = 0006
0:0c = 0000
0:0e = 8707
0:10 = 0707
0:12 = 0707
0:14 = 0707
0:16 = 0707
0:18 = 0808
0:1a = 0404
0:1c = 0c0c
0:1e = 0000
0:20 = 0000
0:22 = 0000
0:24 = 0000
0:26 = 000f
0:28 = 0bc2
0:2a = 05e4
0:2c = 0000
0:2e = 0000
0:30 = 0000
0:32 = 0000
0:34 = 0000
0:36 = 0000
0:38 = 0000
0:3a = 2824
0:3c = 0000
0:3e = 0000
0:40 = 0000
0:42 = 0000
0:44 = 0000
0:46 = 0000
0:48 = 0000
0:4a = 0000
0:4c = 0000
0:4e = 0000
0:50 = 0000
0:52 = 0000
0:54 = 0000
0:56 = 0000
0:58 = 0000
0:5a = 0000
0:5c = 0004
0:5e = 0000
0:60 = 0000
0:62 = 0000
0:64 = 0010
0:66 = 0012
0:68 = 0000
0:6a = 0000
0:6c = 0005
0:6e = 0000
0:70 = 0100
0:72 = 0000
0:74 = c000
0:76 = 481e
0:78 = 0000
0:7a = 0000
0:7c = 434d
0:7e = 4982
--endcollapse--


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

crw-rw----  1 root audio 116,  0 2008-09-06 08:04 /dev/snd/controlC0
crw-rw----  1 root audio 116, 24 2008-09-06 08:04 /dev/snd/pcmC0D0c
crw-rw----  1 root audio 116, 16 2008-09-06 08:04 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116, 25 2008-09-06 08:04 /dev/snd/pcmC0D1c
crw-rw----  1 root audio 116,  1 2008-09-06 08:04 /dev/snd/seq
crw-rw----  1 root audio 116, 33 2008-09-06 08:04 /dev/snd/timer


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: SI7012 [SiS SI7012], device 0: Intel ICH [SiS SI7012]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: SI7012 [SiS SI7012], device 0: Intel ICH [SiS SI7012]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: SI7012 [SiS SI7012], device 1: Intel ICH - MIC ADC [SiS SI7012 - MIC ADC]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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

!!-------Mixer controls for card 0 [SI7012]

Card hw:0 'SI7012'/'SiS SI7012 with CMI9761B at irq 19'
  Mixer name	: 'C-Media Electronics CMI9761B'
  Components	: 'AC97a:434d4982'
  Controls      : 40
  Simple ctrls  : 27
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [0.00dB] [on]
  Front Right: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB] [on]
  Front Right: Playback 255 [100%] [0.00dB] [on]
Simple mixer control 'Surround',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [on]
  Front Right: Playback [on]
Simple mixer control 'Surround Jack Mode',0
  Capabilities: enum
  Items: 'Shared' 'Independent'
  Item0: 'Shared'
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 [on]
  Front Right: Playback 24 [77%] [1.50dB] [on] Capture [on]
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 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] [off] Capture [off]
  Front Right: Playback 24 [77%] [1.50dB] [off] Capture [off]
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: 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 'Phone',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 'IEC958',0
  Capabilities: pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Mono
  Capture channels: Mono
  Mono: Playback [on] Capture [off]
Simple mixer control 'IEC958 Capture Monitor',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958 Capture Valid',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'IEC958 Playback AC97-SPSA',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 3
  Mono: 2 [67%]
Simple mixer control 'IEC958 Playback Source',0
  Capabilities: enum
  Items: 'AC-Link' 'ADC' 'SPDIF-In'
  Item0: 'AC-Link'
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 'Mono Output Select',0
  Capabilities: enum
  Items: 'Mix' 'Mic'
  Item0: 'Mix'
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 'Channel Mode',0
  Capabilities: enum
  Items: '2ch' '4ch' '6ch'
  Item0: '2ch'
Simple mixer control 'DAC Clock Source',0
  Capabilities: enum
  Items: 'AC-Link' 'SPDIF-In' 'Both'
  Item0: 'AC-Link'
Simple mixer control 'External Amplifier',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]


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

--startcollapse--
state.SI7012 {
	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 31
		value.1 31
	}
	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 BOOLEAN
		comment.count 1
		iface MIXER
		name 'PC Speaker Playback Switch'
		value true
	}
	control.9 {
		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.10 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Mic Playback Switch'
		value false
	}
	control.11 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'Mic Playback Volume'
		value.0 24
		value.1 24
	}
	control.12 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Mic Boost ( 20dB)'
		value false
	}
	control.13 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Line Playback Switch'
		value true
	}
	control.14 {
		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.15 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'CD Playback Switch'
		value true
	}
	control.16 {
		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.17 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Video Playback Switch'
		value true
	}
	control.18 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 31'
		comment.dbmin -3450
		comment.dbmax 1200
		iface MIXER
		name 'Video Playback Volume'
		value.0 24
		value.1 24
	}
	control.19 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Aux Playback Switch'
		value true
	}
	control.20 {
		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.21 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'PCM Playback Switch'
		value true
	}
	control.22 {
		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 Line
		value.1 Line
	}
	control.23 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'Capture Switch'
		value true
	}
	control.24 {
		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.25 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 Mix
		comment.item.1 Mic
		iface MIXER
		name 'Mono Output Select'
		value Mix
	}
	control.26 {
		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.27 {
		comment.access read
		comment.type IEC958
		comment.count 1
		iface MIXER
		name 'IEC958 Playback Con Mask'
		value '0fff000f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
	}
	control.28 {
		comment.access read
		comment.type IEC958
		comment.count 1
		iface MIXER
		name 'IEC958 Playback Pro Mask'
		value cf00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
	}
	control.29 {
		comment.access 'read write'
		comment.type IEC958
		comment.count 1
		iface MIXER
		name 'IEC958 Playback Default'
		value '0082000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
	}
	control.30 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'IEC958 Playback Switch'
		value true
	}
	control.31 {
		comment.access 'read write'
		comment.type INTEGER
		comment.count 1
		comment.range '0 - 3'
		iface MIXER
		name 'IEC958 Playback AC97-SPSA'
		value 2
	}
	control.32 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 AC-Link
		comment.item.1 ADC
		comment.item.2 SPDIF-In
		iface MIXER
		name 'IEC958 Playback Source'
		value AC-Link
	}
	control.33 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'IEC958 Capture Valid Switch'
		value true
	}
	control.34 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'IEC958 Capture Monitor'
		value false
	}
	control.35 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'IEC958 Capture Switch'
		value false
	}
	control.36 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 AC-Link
		comment.item.1 SPDIF-In
		comment.item.2 Both
		iface MIXER
		name 'DAC Clock Source'
		value AC-Link
	}
	control.37 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 Shared
		comment.item.1 Independent
		iface MIXER
		name 'Surround Jack Mode'
		value Shared
	}
	control.38 {
		comment.access 'read write'
		comment.type ENUMERATED
		comment.count 1
		comment.item.0 '2ch'
		comment.item.1 '4ch'
		comment.item.2 '6ch'
		iface MIXER
		name 'Channel Mode'
		value '2ch'
	}
	control.39 {
		comment.access 'read write'
		comment.type BOOLEAN
		comment.count 1
		iface MIXER
		name 'External Amplifier'
		value true
	}
	control.40 {
		comment.access 'read write user'
		comment.type INTEGER
		comment.count 2
		comment.range '0 - 255'
		comment.tlv '0000000100000008ffffec1400000014'
		comment.dbmin -5100
		comment.dbmax 0
		iface MIXER
		name 'PCM Playback Volume'
		value.0 255
		value.1 255
	}
}
--endcollapse--


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

Module
snd_seq_dummy
snd_seq_oss
snd_seq_midi_event
snd_seq
snd_seq_device
snd_pcm_oss
snd_mixer_oss
snd_intel8x0
snd_ac97_codec
snd_pcm
snd_timer
snd_page_alloc
snd
soundcore
ipt_IFWLOG
ipt_psd
ip_set_iptree
iptable_raw
xt_comment
xt_policy
ipt_ULOG
ipt_TTL
ipt_ttl
ipt_TOS
ipt_tos
ipt_set
ipt_SAME
ipt_REJECT
ipt_REDIRECT
ipt_recent
ipt_owner
ipt_NETMAP
ipt_MASQUERADE
ipt_LOG
ipt_iprange
ipt_ECN
ipt_ecn
ipt_CLUSTERIP
ipt_ah
ipt_addrtype
nf_nat_tftp
nf_nat_snmp_basic
nf_nat_sip
nf_nat_pptp
nf_nat_proto_gre
nf_nat_irc
nf_nat_h323
nf_nat_ftp
nf_nat_amanda
ts_kmp
nf_conntrack_amanda
nf_conntrack_tftp
nf_conntrack_sip
nf_conntrack_proto_sctp
nf_conntrack_pptp
nf_conntrack_proto_gre
nf_conntrack_netlink
nf_conntrack_netbios_ns
nf_conntrack_irc
nf_conntrack_h323
nf_conntrack_ftp
ip_set_portmap
ip_set_macipmap
ip_set_ipmap
ip_set_iphash
ip_set
xt_tcpmss
xt_pkttype
xt_physdev
xt_NFQUEUE
xt_NFLOG
xt_multiport
xt_MARK
xt_mark
xt_mac
xt_limit
xt_length
xt_helper
xt_hashlimit
ip6_tables
xt_DSCP
xt_dscp
xt_dccp
xt_conntrack
xt_CONNMARK
xt_connmark
xt_CLASSIFY
xt_tcpudp
xt_state
iptable_nat
nf_nat
nf_conntrack_ipv4
nf_conntrack
iptable_mangle
nfnetlink
nvidia
iptable_filter
ip_tables
x_tables
af_packet
ipv6
binfmt_misc
loop
nls_iso8859_1
nls_cp437
vfat
fat
fuse
dm_mirror
dm_mod
floppy
cpufreq_ondemand
cpufreq_conservative
cpufreq_powersave
freq_table
ns558
gameport
parport_pc
parport
rtc_cmos
pcspkr
ndiswrapper
thermal
button
processor
ac97_bus
ide_cd
i2c_sis96x
i2c_core
sis_agp
agpgart
shpchp
pci_hotplug
evdev
ide_generic
sis5513
ide_disk
ide_core
uhci_hcd
ohci_hcd
ehci_hcd
usbcore