diferencias en el campo: Descripción
This is one on the three USB devices that becomes visible when connecting the [b]Logitech BCC950[/b] Conference Camera via USB (video (audio part ?). [a]http://www.logitech.com/en-us/product/conferencecam[/a]
[p]lsusb[/p]
[code]Bus 001 Device 006: ID 046d:0838 Logitech, Inc.[/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]
[code]Bus 001 Device 006: ID 046d:0838 Logitech, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x046d Logitech, Inc.
idProduct 0x0838
bcdDevice 1.25
iManufacturer 1 Logitech
iProduct 2 BCC950 ConferenceCam
iSerial 3 0533160A
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 249
bNumInterfaces 4
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 0
iInterface 0
AudioControl Interface Descriptor:
bLength 10
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 72
bInCollection 2
baInterfaceNr( 0) 1
baInterfaceNr( 1) 2
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0405 Echo-canceling speakerphone
bAssocTerminal 6
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 10
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 2
bSourceID 1
bControlSize 1
bmaControls( 0) 0x41
Mute Control
Automatic Gain Control
bmaControls( 1) 0x02
Volume Control
bmaControls( 2) 0x02
Volume Control
iFeature 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 3
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 2
iTerminal 0
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 4
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 10
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 5
bSourceID 4
bControlSize 1
bmaControls( 0) 0x01
Mute Control
bmaControls( 1) 0x02
Volume Control
bmaControls( 2) 0x02
Volume Control
iFeature 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 6
wTerminalType 0x0405 Echo-canceling speakerphone
bAssocTerminal 1
bSourceID 5
iTerminal 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 3
bDelay 1 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 26
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 6 Discrete
tSamFreq[ 0] 8000
tSamFreq[ 1] 16000
tSamFreq[ 2] 24000
tSamFreq[ 3] 32000
tSamFreq[ 4] 44100
tSamFreq[ 5] 48000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x00c8 1x 200 bytes
bInterval 1
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 4
bDelay 3 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 26
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 6 Discrete
tSamFreq[ 0] 8000
tSamFreq[ 1] 16000
tSamFreq[ 2] 24000
tSamFreq[ 3] 32000
tSamFreq[ 4] 44100
tSamFreq[ 5] 48000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 9
Transfer Type Isochronous
Synch Type Adaptive
Usage Type Data
wMaxPacketSize 0x00c0 1x 192 bytes
bInterval 1
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 1 Milliseconds
wLockDelay 4 Milliseconds
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.00
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 162
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0025 1x 37 bytes
bInterval 1
Device Status: 0x0001
Self Powered[/code]
