ChromeOS version: 64.0.3282.144 
Cfm device model: HP Chromebox CB1-(000-099) / HP Chromebox G1/ HP Chromebox for Meetings
Case#: 15123588

Description: 
the logitech ConferenceCam CC3000e is moving automatically like it tries to calibrate continually
if the customer starts a meeting, the camera stops moving.
after closing the meeting, after a variable time, the camera starts moving again.

the customer has already upgraded the firmware of the camera from version 8.2.301 to version 8.4.478(last version available from logitech support site) but the issue is still present.
it's happening only after the upgrade to M64

Steps to reproduce:
1) power up the chromebox

Current Behavior / Reproduction: 
the camera start moving and continues to move
Expected Behavior: 
after first calibration, the camera should not move


Drive link to logs: https://drive.google.com/open?id=1wrtNBGF-tvccNQGKtCXhadldxRAHv0C4
video of the issue: https://drive.google.com/open?id=1ndOWg4DldABvxzguZUGjZIqLt66Mly9a
customer info: https://drive.google.com/open?id=1G8rcUHdJtA_Q1wOtG0pNkS3Wbi8ItpaYDyng0Ynu-wA


in the log I see a lot of reset for the camera:
2018-02-28T02:12:18.218650-05:00 INFO kernel: [    7.285573] usb 1-5.4.1: New USB device found, idVendor=046d, idProduct=0848
2018-02-28T02:12:18.218664-05:00 INFO kernel: [    7.285589] usb 1-5.4.1: New USB device strings: Mfr=0, Product=2, SerialNumber=1
2018-02-28T02:12:18.218665-05:00 INFO kernel: [    7.285601] usb 1-5.4.1: Product: ConferenceCam CC3000e Camera
2018-02-28T02:12:18.218667-05:00 INFO kernel: [    7.285612] usb 1-5.4.1: SerialNumber: D1A6A009
2018-02-28T02:12:18.381654-05:00 INFO kernel: [    7.448467] uvcvideo: Found UVC 1.00 device ConferenceCam CC3000e Camera (046d:0848)
2018-02-28T02:12:18.383929-05:00 INFO kernel: [    7.450063] usbcore: registered new interface driver uvcvideo
2018-02-28T02:12:18.383944-05:00 INFO kernel: [    7.450075] USB Video Class driver (1.1.1)
...
2018-02-28T02:12:24.181652-05:00 INFO kernel: [   13.247475] usb 1-5.4.1: reset high-speed USB device number 9 using xhci_hcd
2018-02-28T02:12:24.204654-05:00 WARNING kernel: [   13.270155] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880173c65a80
...
2018-02-28T02:12:32.244890-05:00 DEBUG kernel: [   21.938727] ieee80211 phy0: device now idle
2018-02-28T02:12:34.538447-05:00 INFO kernel: [   24.234954] usb 1-5.4.1: reset high-speed USB device number 9 using xhci_hcd
2018-02-28T02:12:34.560420-05:00 WARNING kernel: [   24.257037] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880173c65a80
2018-02-28T02:12:37.540419-05:00 INFO kernel: [   27.236426] usb 1-5.4.1: reset high-speed USB device number 9 using xhci_hcd
2018-02-28T02:12:37.562449-05:00 WARNING kernel: [   27.258551] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880173c65a80
2018-02-28T02:12:40.542419-05:00 INFO kernel: [   30.237955] usb 1-5.4.1: reset high-speed USB device number 9 using xhci_hcd
2018-02-28T02:12:40.564424-05:00 WARNING kernel: [   30.260052] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880173c65a80
2018-02-28T02:12:42.294743-05:00 DEBUG kernel: [   31.987424] ieee80211 phy0: device no longer idle - scanning
2018-02-28T02:12:43.542447-05:00 INFO kernel: [   33.237459] usb 1-5.4.1: reset high-speed USB device number 9 using xhci_hcd
2018-02-28T02:12:43.564428-05:00 WARNING kernel: [   33.259486] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880173c65a80
2018-02-28T02:12:45.561399-05:00 DEBUG kernel: [   35.255772] ieee80211 phy0: device now idle
..
2018-02-28T05:00:19.664417-05:00 INFO kernel: [10087.685061] usb 1-5.4.1: reset high-speed USB device number 11 using xhci_hcd
2018-02-28T05:00:19.686453-05:00 WARNING kernel: [10087.707093] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801744a80c