Hello to all uvc developers!

I've bought an Philips UVC SPZ2000 webcam that most of the time doesn't work.
Only once, out of nowhere started to work, but I can't figure out what 
happened: the only different thing was that i was running xawtv as root.

Normally all I got from xawtv is a message like this and a black screen.
The camera as a led lamp, that switches on when I launch xawtv or 


$local/bin/xawtv -noxv -c /dev/video2
local/bin/xawtv -noxv -c /dev/video2
This is xawtv-3.101, running on Linux/i686 (3.0.0-1-686-pae)
xinerama 0: 1920x1080+0+0
Alsa devices: cap: hw:3,0 (/dev/video2), out: default
alsa: Channels count (2) not available for capture: Argomento non valido
alsa: setparams failed
alsa: stream stopped
libv4l2: error turning on stream: Spazio esaurito sul device
v4l2: ioctl(fildes = 4 "/dev/video2", request = _IOW('V', 18, int), data = 
0x0900417C) failed, Spazio esaurito sul device (28, ENOSPC)
v4l2: oops: select timeout
libv4l2: error turning on stream: Dispositivo o risorsa occupata
libv4l2: error reading: Argomento non valido
v4l2: read: Argomento non valido

(in C locale)

This is xawtv-3.101, running on Linux/i686 (3.0.0-1-686-pae)
xinerama 0: 1920x1080+0+0
Alsa devices: cap: hw:3,0 (/dev/video2), out: default
alsa: Channels count (2) not available for capture: Invalid argument
alsa: setparams failed
alsa: stream stopped
libv4l2: error turning on stream: No space left on device
v4l2: ioctl(fildes = 4 "/dev/video2", request = _IOW('V', 18, int), data = 
0x0859C21C) failed, No space left on device (28, ENOSPC)
v4l2: oops: select timeout
libv4l2: error turning on stream: Device or resource busy
libv4l2: error reading: Invalid argument
v4l2: read: Invalid argument

I have two TV cards installed in the PC, so the /dev/video2 device is the 
webcam. I've also tried to use guvcview with similar results, if need I could 
also post the logs obtained with this program. Skype while working flawlessly 
with both  tv captre card displays a black screen if I try to use the cam.

The dmesg log is attached. 

What I could try to make the webcam work? I think there's something wrong 
during the initialization of the camera that make it freeze.

Thank you in advance.
--
Mike
[    0.000000] Linux version 3.0.0-1-686-pae (Debian 3.0.0-3) (b...@decadent.org.uk) (gcc version 4.5.3 (Debian 4.5.3-8) ) #1 SMP Sat Aug 27 16:41:03 UTC 2011

[    0.000000] DMI:                  /DH55HC, BIOS TCIBX10H.86A.0046.2011.0422.1

[   19.054874] Bt87x 0000:01:00.1: PCI INT A -> GSI 21 (level, low) -> IRQ 21
[   19.055109] bt87x0: Using board 1, analog, digital (rate 32000 Hz)
[   19.072270] Linux video capture interface: v2.00
[   19.103291] bttv: driver version 0.9.18 loaded
[   19.103344] bttv: using 8 buffers with 2080k (520 pages) each for capture
[   19.103421] bttv: Bt8xx card found (0).
[   19.103481] bttv 0000:01:00.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21
[   19.103549] bttv0: Bt878 (rev 17) at 0000:01:00.0, irq: 21, latency: 128, mmio: 0xd0001000
[   19.103668] bttv0: detected: Hauppauge WinTV [card=10], PCI subsystem ID is 0070:13eb
[   19.103746] bttv0: using: Hauppauge (bt878) [card=10,autodetected]
[   19.103829] bttv0: gpio: en=00000000, out=00000000 in=00ffffdb [init]
[   19.106309] bttv0: Hauppauge/Voodoo msp34xx: reset line init [5]
[   19.143347] tveeprom 17-0050: Hauppauge model 44804, rev D148, serial# 5143608
[   19.143427] tveeprom 17-0050: tuner model is LG TP18PSB11D (idx 48, type 29)
[   19.143490] tveeprom 17-0050: TV standards PAL(B/G) (eeprom 0x04)
[   19.143547] tveeprom 17-0050: audio processor is None (idx 0)
[   19.143601] tveeprom 17-0050: has no radio
[   19.143651] bttv0: Hauppauge eeprom indicates model#44804
[   19.143703] bttv0: tuner type=29
[   19.143922] usb 2-1.5: reset high speed USB device number 4 using ehci_hcd
[   19.151017] IR NEC protocol handler initialized
[   19.164866] IR RC5(x) protocol handler initialized
[   19.174892] i2c-core: driver [msp3400] using legacy suspend method
[   19.174947] i2c-core: driver [msp3400] using legacy resume method
[   19.175377] IR RC6 protocol handler initialized
[   19.177116] IR JVC protocol handler initialized
[   19.190621] IR Sony protocol handler initialized
[   19.216971] bttv0: audio absent, no audio device found!
[   19.218568] lirc_dev: IR Remote Control driver registered, major 250 
[   19.219132] IR LIRC bridge handler initialized
[   19.241780] fbcon: inteldrmfb (fb0) is primary device
[   19.302991] i2c-core: driver [tuner] using legacy suspend method
[   19.302992] i2c-core: driver [tuner] using legacy resume method
[   19.307493] tuner 17-0061: Tuner -1 found with type(s) Radio TV.
[   19.330746] saa7130/34: v4l2 driver version 0.2.16 loaded
[   19.382971] tuner-simple 17-0061: creating new instance
[   19.382973] tuner-simple 17-0061: type set to 29 (LG PAL_BG (TPI8PSB11D))
[   19.383727] bttv0: registered device video0
[   19.383747] bttv0: registered device vbi0
[   19.383772] bttv0: PLL: 28636363 => 35468950 ..
[   19.409953] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[   19.410352] zd1211rw 2-1.5:1.0: phy0
[   19.410367] usbcore: registered new interface driver zd1211rw
[   19.413264]  ok
[   19.416737] Console: switching to colour frame buffer device 240x67
[   19.417861] saa7134 0000:01:02.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[   19.417868] saa7133[0]: found at 0000:01:02.0, rev: 209, irq: 18, latency: 128, mmio: 0xfe400000
[   19.417876] saa7133[0]: subsystem: 1461:2c05, board: AverTV DVB-T 777 [card=85,autodetected]
[   19.417892] saa7133[0]: board init: gpio is b400
[   19.422622] fb0: inteldrmfb frame buffer device
[   19.422643] drm: registered panic notifier
[   19.422777] ACPI Exception: AE_NOT_FOUND, Evaluating _DOD (20110413/video-1148)
[   19.422853] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input5
[   19.423023] ACPI: Video Device [GFX0] (multi-head: no  rom: yes  post: no)
[   19.423185] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[   19.423258] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[   19.423353] HDA Intel 0000:00:1b.0: irq 42 for MSI/MSI-X
[   19.423381] HDA Intel 0000:00:1b.0: setting latency timer to 64
[   19.441239] Registered IR keymap rc-avermedia
[   19.441349] input: saa7134 IR (AverTV DVB-T 777) as /devices/pci0000:00/0000:00:1e.0/0000:01:02.0/rc/rc0/input6
[   19.441426] rc0: saa7134 IR (AverTV DVB-T 777) as /devices/pci0000:00/0000:00:1e.0/0000:01:02.0/rc/rc0
[   19.481361] hda_codec: ALC888: BIOS auto-probing.
[   19.482668] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input7
[   19.485870] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[   19.592814] saa7133[0]: i2c eeprom 00: 61 14 05 2c 00 00 00 00 00 00 00 00 00 00 00 00
[   19.592981] saa7133[0]: i2c eeprom 10: 00 ff 82 0e ff 20 ff ff ff ff ff ff ff ff ff ff
[   19.593096] saa7133[0]: i2c eeprom 20: 01 40 01 02 02 03 03 01 08 ff 00 a8 ff ff ff ff
[   19.593212] saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.593328] saa7133[0]: i2c eeprom 40: ff 32 00 c0 86 1e ff ff ff ff ff ff ff ff ff ff
[   19.593443] saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.593559] saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.593675] saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.593790] saa7133[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.593907] saa7133[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.594023] saa7133[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.594136] saa7133[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.594253] saa7133[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.596016] saa7133[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.597730] saa7133[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.599418] saa7133[0]: i2c eeprom f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   19.601488] saa7133[0]: registered device video1 [v4l2]
[   19.603205] saa7133[0]: registered device vbi1
[   19.670973] dvb_init() allocating 1 frontend
[   19.708692] tuner-simple 18-0061: unable to probe Philips TD1316 Hybrid Tuner, proceeding anyway.
[   19.708735] tuner-simple 18-0061: creating new instance
[   19.711867] tuner-simple 18-0061: type set to 67 (Philips TD1316 Hybrid Tuner)
[   19.713462] DVB: registering new adapter (saa7133[0])
[   19.715065] DVB: registering adapter 0 frontend 0 (Zarlink MT352 DVB-T)...
[   19.936830] saa7134 ALSA driver for DMA sound loaded
[   19.938474] saa7133[0]/alsa: saa7133[0] at 0xfe400000 irq 18 registered as card -1
[   20.395916] Adding 50002276k swap on /dev/sda5.  Priority:-1 extents:1 across:50002276k 


[ 1624.937033] usbcore: registered new interface driver uvcvideo
[ 1624.937035] USB Video Class driver (v1.1.0)
[ 1654.640062] usb 2-1.3: new full speed USB device number 5 using ehci_hcd
[ 1654.855650] usb 2-1.3: New USB device found, idVendor=0471, idProduct=20d0
[ 1654.855657] usb 2-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1654.855662] usb 2-1.3: Product: Philips SPZ2000
[ 1654.855666] usb 2-1.3: Manufacturer: PixArt Imaging Inc.
[ 1654.861420] uvcvideo: Probing generic UVC device 1.3
[ 1654.861428] uvcvideo: Found format MJPEG.
[ 1654.861432] uvcvideo: - 640x480 (30.0 fps)
[ 1654.861436] uvcvideo: - 320x240 (30.0 fps)
[ 1654.861439] uvcvideo: - 160x120 (30.0 fps)
[ 1654.861442] uvcvideo: - 176x144 (30.0 fps)
[ 1654.861445] uvcvideo: - 352x288 (30.0 fps)
[ 1654.861448] uvcvideo: Found format YUV 4:2:2 (YUYV).
[ 1654.861451] uvcvideo: - 320x240 (5.0 fps)
[ 1654.861455] uvcvideo: - 160x120 (20.0 fps)
[ 1654.861458] uvcvideo: - 176x144 (15.0 fps)
[ 1654.861461] uvcvideo: - 352x288 (4.0 fps)
[ 1654.861468] uvcvideo: Found a Status endpoint (addr 83).
[ 1654.861473] uvcvideo: Found UVC 1.00 device Philips SPZ2000 (0471:20d0)
[ 1654.861503] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.3 entity 3
[ 1654.861505] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[ 1654.861508] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.3 entity 3
[ 1654.861510] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[ 1654.861513] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.3 entity 3
[ 1654.861514] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[ 1654.861517] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.3 entity 3
[ 1654.861519] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[ 1654.861522] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.3 entity 3
[ 1654.861524] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[ 1654.861526] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.3 entity 3
[ 1654.861528] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[ 1654.861531] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.3 entity 3
[ 1654.861533] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[ 1654.861535] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1.3 entity 3
[ 1654.861537] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[ 1654.861540] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.3 entity 3
[ 1654.861542] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[ 1654.861544] uvcvideo: Scanning UVC chain: OT 2 <- XU 4 <- PU 3 <- IT 1
[ 1654.861548] uvcvideo: Found a valid video chain (1 -> 2).
[ 1654.873556] input: Philips SPZ2000 as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/input/input9
[ 1654.873601] uvcvideo: UVC device initialized.
[ 1654.880964] uvcvideo: uvc_v4l2_open
[ 1654.880999] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
[ 1654.881018] uvcvideo: uvc_v4l2_release
[ 1654.914695] usbcore: registered new interface driver snd-usb-audio
[ 1654.945221] uvcvideo: uvc_v4l2_open
[ 1654.945246] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
[ 1654.945250] uvcvideo: uvc_v4l2_release
[ 1654.945293] uvcvideo: uvc_v4l2_open
[ 1654.945314] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1654.949412] uvcvideo: Failed to query (GET_MAX) UVC control 2 on unit 3: -32 (exp. 2).
[ 1654.949420] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1654.952653] uvcvideo: Failed to query (GET_MIN) UVC control 2 on unit 3: -32 (exp. 2).
[ 1654.952659] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1654.956020] uvcvideo: Failed to query (GET_MIN) UVC control 2 on unit 3: -32 (exp. 2).
[ 1654.956026] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1654.957515] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 3: -32 (exp. 2).
[ 1654.957519] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.057020] uvcvideo: Failed to query (GET_MIN) UVC control 3 on unit 3: -32 (exp. 2).
[ 1655.057030] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.058388] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 3: -32 (exp. 2).
[ 1655.058393] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.059014] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 3: -32 (exp. 2).
[ 1655.059019] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.161008] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165118] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165124] uvcvideo: Control 0x00980904 not found.
[ 1655.165126] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165129] uvcvideo: Control 0x00980905 not found.
[ 1655.165130] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165132] uvcvideo: Control 0x00980906 not found.
[ 1655.165134] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165137] uvcvideo: Control 0x00980907 not found.
[ 1655.165138] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165141] uvcvideo: Control 0x00980908 not found.
[ 1655.165142] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165145] uvcvideo: Control 0x00980909 not found.
[ 1655.165146] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165148] uvcvideo: Control 0x0098090a not found.
[ 1655.165150] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165152] uvcvideo: Control 0x0098090b not found.
[ 1655.165154] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165156] uvcvideo: Control 0x0098090c not found.
[ 1655.165158] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165160] uvcvideo: Control 0x0098090d not found.
[ 1655.165161] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165164] uvcvideo: Control 0x0098090e not found.
[ 1655.165165] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.165167] uvcvideo: Control 0x0098090f not found.
[ 1655.165168] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169231] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169236] uvcvideo: Control 0x00980911 not found.
[ 1655.169238] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169239] uvcvideo: Control 0x00980912 not found.
[ 1655.169240] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169242] uvcvideo: Control 0x00980913 not found.
[ 1655.169243] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169245] uvcvideo: Control 0x00980914 not found.
[ 1655.169246] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169247] uvcvideo: Control 0x00980915 not found.
[ 1655.169248] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169250] uvcvideo: Control 0x00980916 not found.
[ 1655.169251] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.169252] uvcvideo: Control 0x00980917 not found.
[ 1655.169253] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.170225] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYMENU)
[ 1655.170227] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYMENU)
[ 1655.170229] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYMENU)
[ 1655.170230] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.170232] uvcvideo: Control 0x00980919 not found.
[ 1655.170233] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.174216] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.178087] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181701] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181707] uvcvideo: Control 0x0098091d not found.
[ 1655.181710] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181715] uvcvideo: Control 0x0098091e not found.
[ 1655.181717] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181722] uvcvideo: Control 0x0098091f not found.
[ 1655.181724] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181729] uvcvideo: Control 0x00980920 not found.
[ 1655.181731] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181735] uvcvideo: Control 0x00980921 not found.
[ 1655.181738] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181742] uvcvideo: Control 0x00980922 not found.
[ 1655.181745] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181749] uvcvideo: Control 0x00980923 not found.
[ 1655.181752] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181757] uvcvideo: Control 0x00980924 not found.
[ 1655.181759] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181763] uvcvideo: Control 0x00980925 not found.
[ 1655.181766] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181773] uvcvideo: Control 0x00980926 not found.
[ 1655.181774] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1655.181776] uvcvideo: Control 0x08000000 not found.
[ 1655.181778] uvcvideo: uvc_v4l2_release
[ 1662.911018] uvcvideo: Suspending interface 1
[ 1662.911023] uvcvideo: Suspending interface 0
[ 1678.244484] uvcvideo: uvc_v4l2_open
[ 1678.292906] uvcvideo: Resuming interface 0
[ 1678.292912] uvcvideo: Resuming interface 1
[ 1678.299470] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
[ 1678.299483] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_FMT)
[ 1678.299486] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_PARM)
[ 1678.299491] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FMT)
[ 1678.299493] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299498] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299499] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299501] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299503] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299504] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299506] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FMT)
[ 1678.299507] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299509] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299511] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299512] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299514] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FRAMESIZES)
[ 1678.299515] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FMT)
[ 1678.299517] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
[ 1678.299520] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_INPUT)
[ 1678.299523] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUMINPUT)
[ 1678.299774] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.303520] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
[ 1678.303529] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUMINPUT)
[ 1678.303534] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUMINPUT)
[ 1678.303538] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUMSTD)
[ 1678.303543] uvcvideo: Unsupported ioctl 0xc0405619
[ 1678.303546] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FMT)
[ 1678.303551] uvcvideo: uvc_v4l2_ioctl(VIDIOC_ENUM_FMT)
[ 1678.303556] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_PARM)
[ 1678.303562] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.303568] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307494] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307500] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307505] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307510] uvcvideo: Control 0x00980904 not found.
[ 1678.307513] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307517] uvcvideo: Control 0x00980905 not found.
[ 1678.307520] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307525] uvcvideo: Control 0x00980906 not found.
[ 1678.307528] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307532] uvcvideo: Control 0x00980907 not found.
[ 1678.307535] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307539] uvcvideo: Control 0x00980908 not found.
[ 1678.307542] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307547] uvcvideo: Control 0x00980909 not found.
[ 1678.307549] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307554] uvcvideo: Control 0x0098090a not found.
[ 1678.307557] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307561] uvcvideo: Control 0x0098090b not found.
[ 1678.307564] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307568] uvcvideo: Control 0x0098090c not found.
[ 1678.307571] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307576] uvcvideo: Control 0x0098090d not found.
[ 1678.307578] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307586] uvcvideo: Control 0x0098090e not found.
[ 1678.307587] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307589] uvcvideo: Control 0x0098090f not found.
[ 1678.307590] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307592] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307594] uvcvideo: Control 0x00980911 not found.
[ 1678.307595] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307597] uvcvideo: Control 0x00980912 not found.
[ 1678.307598] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307599] uvcvideo: Control 0x00980913 not found.
[ 1678.307600] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307602] uvcvideo: Control 0x00980914 not found.
[ 1678.307603] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307605] uvcvideo: Control 0x00980915 not found.
[ 1678.307606] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307607] uvcvideo: Control 0x00980916 not found.
[ 1678.307609] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307610] uvcvideo: Control 0x00980917 not found.
[ 1678.307611] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307613] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307615] uvcvideo: Control 0x00980919 not found.
[ 1678.307616] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307618] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307620] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307622] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307624] uvcvideo: Control 0x0098091d not found.
[ 1678.307625] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307627] uvcvideo: Control 0x0098091e not found.
[ 1678.307628] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307629] uvcvideo: Control 0x0098091f not found.
[ 1678.307630] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307632] uvcvideo: Control 0x08000000 not found.
[ 1678.307633] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307635] uvcvideo: Control 0x08000001 not found.
[ 1678.307636] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307638] uvcvideo: Control 0x08000002 not found.
[ 1678.307639] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307640] uvcvideo: Control 0x08000003 not found.
[ 1678.307641] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307643] uvcvideo: Control 0x08000004 not found.
[ 1678.307644] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307646] uvcvideo: Control 0x08000005 not found.
[ 1678.307647] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307648] uvcvideo: Control 0x08000006 not found.
[ 1678.307650] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307651] uvcvideo: Control 0x08000007 not found.
[ 1678.307652] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307654] uvcvideo: Control 0x08000008 not found.
[ 1678.307655] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307657] uvcvideo: Control 0x08000009 not found.
[ 1678.307658] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307659] uvcvideo: Control 0x0800000a not found.
[ 1678.307660] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307662] uvcvideo: Control 0x0800000b not found.
[ 1678.307663] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307665] uvcvideo: Control 0x0800000c not found.
[ 1678.307666] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307667] uvcvideo: Control 0x0800000d not found.
[ 1678.307669] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307670] uvcvideo: Control 0x0800000e not found.
[ 1678.307671] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307673] uvcvideo: Control 0x0800000f not found.
[ 1678.307674] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307676] uvcvideo: Control 0x08000010 not found.
[ 1678.307677] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307678] uvcvideo: Control 0x08000011 not found.
[ 1678.307679] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307681] uvcvideo: Control 0x08000012 not found.
[ 1678.307682] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307684] uvcvideo: Control 0x08000013 not found.
[ 1678.307685] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307687] uvcvideo: Control 0x08000014 not found.
[ 1678.307688] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307689] uvcvideo: Control 0x08000015 not found.
[ 1678.307690] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307692] uvcvideo: Control 0x08000016 not found.
[ 1678.307693] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307695] uvcvideo: Control 0x08000017 not found.
[ 1678.307696] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307697] uvcvideo: Control 0x08000018 not found.
[ 1678.307698] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307700] uvcvideo: Control 0x08000019 not found.
[ 1678.307701] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307703] uvcvideo: Control 0x0800001a not found.
[ 1678.307704] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307705] uvcvideo: Control 0x0800001b not found.
[ 1678.307707] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307708] uvcvideo: Control 0x0800001c not found.
[ 1678.307709] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307711] uvcvideo: Control 0x0800001d not found.
[ 1678.307712] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307714] uvcvideo: Control 0x0800001e not found.
[ 1678.307715] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCTRL)
[ 1678.307716] uvcvideo: Control 0x0800001f not found.
[ 1678.307720] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYMENU)
[ 1678.307723] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYMENU)
[ 1678.307725] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYMENU)
[ 1678.696037] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_STD)
[ 1678.696043] uvcvideo: Unsupported ioctl 0x80085617
[ 1678.696067] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_INPUT)
[ 1678.696080] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.697400] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.698641] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.700014] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.704598] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.705997] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.707261] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.708736] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.710106] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_CTRL)
[ 1678.959515] uvcvideo: uvc_v4l2_ioctl(VIDIOC_S_FMT)
[ 1678.959522] uvcvideo: Trying format 0x47504a4d (MJPG): 352x288.
[ 1678.959525] uvcvideo: Using default frame interval 33333.3 us (30.0 fps).
[ 1678.974207] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_PARM)
[ 1678.974365] uvcvideo: uvc_v4l2_ioctl(VIDIOC_S_FMT)
[ 1678.974369] uvcvideo: Trying format 0x47504a4d (MJPG): 352x288.
[ 1678.974371] uvcvideo: Using default frame interval 33333.3 us (30.0 fps).
[ 1678.989040] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_PARM)
[ 1678.989061] uvcvideo: uvc_v4l2_ioctl(VIDIOC_REQBUFS)
[ 1678.989091] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1678.989103] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1678.989109] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1678.989115] uvcvideo: uvc_v4l2_mmap
[ 1678.989131] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1678.989133] uvcvideo: uvc_v4l2_mmap
[ 1678.989139] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QBUF)
[ 1678.989141] uvcvideo: Queuing buffer 0.
[ 1678.989142] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QBUF)
[ 1678.989143] uvcvideo: Queuing buffer 1.
[ 1678.989145] uvcvideo: uvc_v4l2_ioctl(VIDIOC_STREAMON)
[ 1678.995527] uvcvideo: Device requested 848 B/frame bandwidth.
[ 1678.995533] uvcvideo: Selecting alternate setting 3 (848 B/frame bandwidth).
[ 1679.024150] uvcvideo: Allocated 5 URB buffers of 32x848 bytes each.
[ 1679.024176] uvcvideo: Failed to submit URB 0 (-28).
[ 1679.026094] uvcvideo: uvc_v4l2_poll
[ 1684.033580] uvcvideo: uvc_v4l2_poll
[ 1684.033653] uvcvideo: uvc_v4l2_ioctl(VIDIOC_REQBUFS)
[ 1686.961048] uvcvideo: uvc_v4l2_ioctl(VIDIOC_TRY_FMT)
[ 1686.961054] uvcvideo: Trying format 0x34524742 (BGR4): 384x288.
[ 1686.961056] uvcvideo: Unsupported format 0x34524742.
[ 1686.961064] uvcvideo: uvc_v4l2_ioctl(VIDIOC_S_FMT)
[ 1686.961068] uvcvideo: Trying format 0x47504a4d (MJPG): 352x288.
[ 1686.961070] uvcvideo: Using default frame interval 33333.3 us (30.0 fps).
[ 1686.976147] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_PARM)
[ 1686.976163] uvcvideo: uvc_v4l2_ioctl(VIDIOC_S_FMT)
[ 1686.976169] uvcvideo: Trying format 0x47504a4d (MJPG): 320x240.
[ 1686.976174] uvcvideo: Using default frame interval 33333.3 us (30.0 fps).
[ 1686.995353] uvcvideo: uvc_v4l2_ioctl(VIDIOC_G_PARM)
[ 1686.995389] uvcvideo: uvc_v4l2_ioctl(VIDIOC_REQBUFS)
[ 1686.995431] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1686.995439] uvcvideo: uvc_v4l2_mmap
[ 1686.995445] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1686.995447] uvcvideo: uvc_v4l2_mmap
[ 1686.995452] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1686.995453] uvcvideo: uvc_v4l2_mmap
[ 1686.995458] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYBUF)
[ 1686.995460] uvcvideo: uvc_v4l2_mmap
[ 1686.995464] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QBUF)
[ 1686.995466] uvcvideo: Queuing buffer 0.
[ 1686.995467] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QBUF)
[ 1686.995468] uvcvideo: Queuing buffer 1.
[ 1686.995469] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QBUF)
[ 1686.995471] uvcvideo: Queuing buffer 2.
[ 1686.995472] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QBUF)
[ 1686.995473] uvcvideo: Queuing buffer 3.
[ 1686.995474] uvcvideo: uvc_v4l2_ioctl(VIDIOC_STREAMON)
[ 1686.995510] uvcvideo: uvc_v4l2_read: not implemented.
[ 1686.995741] uvcvideo: uvc_v4l2_release
[ 1689.001011] uvcvideo: Suspending interface 1
[ 1689.001015] uvcvideo: Suspending interface 0
Bus 002 Device 005: ID 0471:20d0 Philips (or NXP) 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x0471 Philips (or NXP)
  idProduct          0x20d0 
  bcdDevice            9.20
  iManufacturer           1 PixArt Imaging Inc.
  iProduct                2 Philips SPZ2000
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          735
    bNumInterfaces          4
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass         14 Video
      bFunctionSubClass       3 Video Interface Collection
      bFunctionProtocol       0 
      iFunction               2 Philips SPZ2000
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      1 Video Control
      bInterfaceProtocol      0 
      iInterface              2 Philips SPZ2000
      VideoControl Interface Descriptor:
        bLength                13
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdUVC               1.00
        wTotalLength           77
        dwClockFrequency       12.000000MHz
        bInCollection           1
        baInterfaceNr( 0)       1
      VideoControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             2
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               4
        iTerminal               0 
      VideoControl Interface Descriptor:
        bLength                26
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 4
        guidExtensionCode         {f07735d1-898d-0047-812e-7dd5e2fdb898}
        bNumControl             8
        bNrPins                 1
        baSourceID( 0)          3
        bControlSize            1
        bmControls( 0)       0xff
        iExtension              0 
      VideoControl Interface Descriptor:
        bLength                18
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             1
        wTerminalType      0x0201 Camera Sensor
        bAssocTerminal          0
        iTerminal               0 
        wObjectiveFocalLengthMin      0
        wObjectiveFocalLengthMax      0
        wOcularFocalLength            0
        bControlSize                  3
        bmControls           0x00000000
      VideoControl Interface Descriptor:
        bLength                11
        bDescriptorType        36
        bDescriptorSubtype      5 (PROCESSING_UNIT)
      Warning: Descriptor too short
        bUnitID                 3
        bSourceID               1
        wMaxMultiplier          0
        bControlSize            2
        bmControls     0x0000057f
          Brightness
          Contrast
          Hue
          Saturation
          Sharpness
          Gamma
          White Balance Temperature
          Backlight Compensation
          Power Line Frequency
        iProcessing             0 
        bmVideoStandards     0x 0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               6
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      VideoStreaming Interface Descriptor:
        bLength                            15
        bDescriptorType                    36
        bDescriptorSubtype                  1 (INPUT_HEADER)
        bNumFormats                         2
        wTotalLength                      424
        bEndPointAddress                  129
        bmInfo                              0
        bTerminalLink                       2
        bStillCaptureMethod                 2
        bTriggerSupport                     1
        bTriggerUsage                       0
        bControlSize                        1
        bmaControls( 0)                    11
        bmaControls( 1)                    11
      VideoStreaming Interface Descriptor:
        bLength                            11
        bDescriptorType                    36
        bDescriptorSubtype                  6 (FORMAT_MJPEG)
        bFormatIndex                        1
        bNumFrameDescriptors                5
        bFlags                              1
          Fixed-size samples: Yes
        bDefaultFrameIndex                  1
        bAspectRatioX                       0
        bAspectRatioY                       0
        bmInterlaceFlags                 0x00
          Interlaced stream or variable: No
          Fields per frame: 1 fields
          Field 1 first: No
          Field pattern: Field 1 only
          bCopyProtect                      0
      VideoStreaming Interface Descriptor:
        bLength                            38
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         1
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            640
        wHeight                           480
        dwMinBitRate                  4915200
        dwMaxBitRate                147456000
        dwMaxVideoFrameBufferSize      614400
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  3
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
        dwFrameInterval( 2)          10000000
      VideoStreaming Interface Descriptor:
        bLength                            38
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         2
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            320
        wHeight                           240
        dwMinBitRate                  1228800
        dwMaxBitRate                 36864000
        dwMaxVideoFrameBufferSize      153600
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  3
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
        dwFrameInterval( 2)          10000000
      VideoStreaming Interface Descriptor:
        bLength                            38
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         3
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            160
        wHeight                           120
        dwMinBitRate                   307200
        dwMaxBitRate                  9216000
        dwMaxVideoFrameBufferSize       38400
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  3
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
        dwFrameInterval( 2)          10000000
      VideoStreaming Interface Descriptor:
        bLength                            38
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         4
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            176
        wHeight                           144
        dwMinBitRate                   405504
        dwMaxBitRate                 12165120
        dwMaxVideoFrameBufferSize       50688
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  3
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
        dwFrameInterval( 2)          10000000
      VideoStreaming Interface Descriptor:
        bLength                            38
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         5
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            352
        wHeight                           288
        dwMinBitRate                  1622016
        dwMaxBitRate                 48660480
        dwMaxVideoFrameBufferSize      202752
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  3
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
        dwFrameInterval( 2)          10000000
      VideoStreaming Interface Descriptor:
        bLength                            27
        bDescriptorType                    36
        bDescriptorSubtype                  3 (STILL_IMAGE_FRAME)
        bEndpointAddress                    0
        bNumImageSizePatterns               5
        wWidth( 0)                        640
        wHeight( 0)                       480
        wWidth( 1)                        160
        wHeight( 1)                       120
        wWidth( 2)                        176
        wHeight( 2)                       144
        wWidth( 3)                        320
        wHeight( 3)                       240
        wWidth( 4)                        352
        wHeight( 4)                       288
        bNumCompressionPatterns             5
        bCompression( 0)                  100
      VideoStreaming Interface Descriptor:
        bLength                             6
        bDescriptorType                    36
        bDescriptorSubtype                 13 (COLORFORMAT)
        bColorPrimaries                     1 (BT.709,sRGB)
        bTransferCharacteristics            1 (BT.709)
        bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
      VideoStreaming Interface Descriptor:
        bLength                            27
        bDescriptorType                    36
        bDescriptorSubtype                  4 (FORMAT_UNCOMPRESSED)
        bFormatIndex                        2
        bNumFrameDescriptors                4
        guidFormat                            {59555932-0000-1000-8000-00aa00389b71}
        bBitsPerPixel                      16
        bDefaultFrameIndex                  1
        bAspectRatioX                       0
        bAspectRatioY                       0
        bmInterlaceFlags                 0x00
          Interlaced stream or variable: No
          Fields per frame: 2 fields
          Field 1 first: No
          Field pattern: Field 1 only
          bCopyProtect                      0
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         1
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            320
        wHeight                           240
        dwMinBitRate                  1228800
        dwMaxBitRate                  7372800
        dwMaxVideoFrameBufferSize      153600
        dwDefaultFrameInterval        2000000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           2000000
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         2
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            160
        wHeight                           120
        dwMinBitRate                   307200
        dwMaxBitRate                  7680000
        dwMaxVideoFrameBufferSize       38400
        dwDefaultFrameInterval         500000
        bFrameIntervalType                  1
        dwFrameInterval( 0)            500000
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         3
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            176
        wHeight                           144
        dwMinBitRate                   405504
        dwMaxBitRate                  6082560
        dwMaxVideoFrameBufferSize       50688
        dwDefaultFrameInterval         666666
        bFrameIntervalType                  1
        dwFrameInterval( 0)            666666
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         4
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            352
        wHeight                           288
        dwMinBitRate                  1622016
        dwMaxBitRate                  6488064
        dwMaxVideoFrameBufferSize      202752
        dwDefaultFrameInterval        2500000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           2500000
      VideoStreaming Interface Descriptor:
        bLength                            22
        bDescriptorType                    36
        bDescriptorSubtype                  3 (STILL_IMAGE_FRAME)
        bEndpointAddress                    0
        bNumImageSizePatterns               4
        wWidth( 0)                        320
        wHeight( 0)                       240
        wWidth( 1)                        160
        wHeight( 1)                       120
        wWidth( 2)                        176
        wHeight( 2)                       144
        wWidth( 3)                        352
        wHeight( 3)                       288
        bNumCompressionPatterns             4
      VideoStreaming Interface Descriptor:
        bLength                             6
        bDescriptorType                    36
        bDescriptorSubtype                 13 (COLORFORMAT)
        bColorPrimaries                     1 (BT.709,sRGB)
        bTransferCharacteristics            1 (BT.709)
        bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0300  1x 768 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0350  1x 848 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       4
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0380  1x 896 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       5
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x039f  1x 927 bytes
        bInterval               1
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         2
      bInterfaceCount         2
      bFunctionClass          1 Audio
      bFunctionSubClass       0 
      bFunctionProtocol       0 
      iFunction               4 Audio_Device
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass         1 Audio
      bInterfaceSubClass      1 Control Device
      bInterfaceProtocol      0 
      iInterface              4 Audio_Device
      AudioControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdADC               1.00
        wTotalLength           38
        bInCollection           1
        baInterfaceNr( 0)       3
      AudioControl Interface Descriptor:
        bLength                12
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             1
        wTerminalType      0x0201 Microphone
        bAssocTerminal          0
        bNrChannels             1
        wChannelConfig     0x0000
        iChannelNames           0 
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             3
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               5
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                 8
        bDescriptorType        36
        bDescriptorSubtype      6 (FEATURE_UNIT)
        bUnitID                 5
        bSourceID               1
        bControlSize            1
        bmaControls( 0)      0x03
          Mute Control
          Volume Control
        iFeature                0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      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                11
        bDescriptorType        36
        bDescriptorSubtype      2 (FORMAT_TYPE)
        bFormatType             1 (FORMAT_TYPE_I)
        bNrChannels             1
        bSubframeSize           2
        bBitResolution         16
        bSamFreqType            1 Discrete
        tSamFreq[ 0]        48000
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0060  1x 96 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
Device Status:     0x0000
  (Bus Powered)
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