differences in the entry: Description
This is one on the three USB devices that becomes visible when connecting the [b]Logitech BCC950 Conference Camera[/b] via USB.
[p]lsusb[/p]
[code]Bus 001 Device 004: ID 046d:0839 Logitech, Inc. [/code]
[p]lsusb -v[/p]
[code]Bus 001 Device 004: ID 046d:0839 Logitech, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 2 TT per port
bMaxPacketSize0 64Bus 001 Device 004: ID 046d:0839 Logitech, Inc.
idVendor 0x046d Logitech, Inc.
idProduct 0x0839
bcdDevice 1.00
iManufacturer 0
iProduct 1 USB 2.0 Hub [MTT]
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 41
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 UnusedBus 001 Device 004: ID 046d:0839 Logitech, Inc.
bInterfaceProtocol 1 Single TT
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Logitech BCC950 Conference Camera Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 12
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 2 TT per port
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 4
wHubCharacteristic 0x0089
Per-port power switching
Per-port overcurrent protection
TT think time 8 FS bits
Port indicators
bPwrOn2PwrGood 50 * 2 milli seconds
bHubContrCurrent 100 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0507 highspeed power suspend enable connect
Port 2: 0000.0100 power
Port 3: 0000.0103 power enable connect
Port 4: 0000.0100 power
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0 Full speed (or root) hub
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
[/code]
[p]lsmod[/p]
[code]Module Size Used by
dm_crypt 22528 0
snd_hda_codec_realtek 174313 1
snd_hda_codec_hdmi 31823 1
snd_hda_intel 32719 3
snd_hda_codec 109562 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
joydev 17393 0
snd_usb_audio 101566 2
arc4 12473 2
acer_wmi 23612 0
snd_hwdep 13276 2 snd_hda_codec,snd_usb_audio
snd_pcm 80916 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_usb_audio
ath9k 117455 0
snd_usbmidi_lib 24588 1 snd_usb_audio
sparse_keymap 13658 1 acer_wmi
mac80211 436493 1 ath9k
snd_seq_midi 13132 0
snd_rawmidi 25424 2 snd_usbmidi_lib,snd_seq_midi
snd_seq_midi_event 14475 1 snd_seq_midi
snd_seq 51592 2 snd_seq_midi,snd_seq_midi_event
ath9k_common 13781 1 ath9k
dm_multipath 22747 0
ath9k_hw 391626 2 ath9k,ath9k_common
snd_timer 28931 2 snd_pcm,snd_seq
snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq
psmouse 96744 0
serio_raw 13027 0
ath 19387 3 ath9k,ath9k_common,ath9k_hw
cfg80211 178877 3 ath9k,mac80211,ath
snd 62218 22 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_usb_audio,snd_hwdep,snd_pcm,snd_usbmidi_lib,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
uvcvideo 67203 0
rts_pstor 353252 0
mac_hid 13077 0
videodev 86588 1 uvcvideo
soundcore 14635 1 snd
snd_page_alloc 14115 2 snd_hda_intel,snd_pcm
bnep 17830 2
parport_pc 32114 0
rfcomm 38139 0
ppdev 12849 0
bluetooth 158447 10 bnep,rfcomm
lp 17455 0
parport 40930 3 parport_pc,ppdev,lp
squashfs 36095 1
overlayfs 27550 1
nls_utf8 12493 1
isofs 39553 1
raid10 34917 0
raid456 61445 0
async_raid6_recov 12946 1 raid456
async_pq 12959 2 raid456,async_raid6_recov
raid6_pq 88297 2 async_raid6_recov,async_pq
async_xor 12738 3 raid456,async_raid6_recov,async_pq
async_memcpy 12481 2 raid456,async_raid6_recov
async_tx 13123 5 raid456,async_raid6_recov,async_pq,async_xor,async_memcpy
raid1 34983 0
raid0 17031 0
multipath 12977 0
linear 12766 0
dm_raid45 76451 0
xor 25987 2 async_xor,dm_raid45
dm_mirror 21822 0
dm_region_hash 16100 1 dm_mirror
dm_log 18193 3 dm_raid45,dm_mirror,dm_region_hash
btrfs 638387 0
zlib_deflate 26622 1 btrfs
libcrc32c 12543 1 btrfs
usbhid 41937 0
hid 81731 1 usbhid
r8169 56324 0
wmi 18744 1 acer_wmi
video 19115 0
usb_storage 39646 1
[/code]
