Built-in webcam Lenovo Z470;

$sudo hwinfo --usb

10: USB 00.0: 0000 Unclassified device
  [Created at usb.122]
  UDI: /org/freedesktop/Hal/devices/usb_device_4f2_b272_noserial_if0_logicaldev_input
  Unique ID: JPTW.G5+7SglVOv9
  Parent ID: FKGF.4Nx_qoDfSd7
  SysFS ID: /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0
  SysFS BusID: 2-1.3:1.0
  Hardware Class: unknown
  Model: "Chicony Electronics Lenovo EasyCamera"
  Hotplug: USB
  Vendor: usb 0x04f2 "Chicony Electronics Co., Ltd"
  Device: usb 0xb272 "Lenovo EasyCamera"
  Revision: "11.56"
  Driver: "uvcvideo"
  Driver Modules: "uvcvideo"
  Device File: /dev/input/event7
  Device Files: /dev/input/event7, /dev/input/by-id/usb-Chicony_Corp._Lenovo_EasyCamera-event-if00, /dev/input/by-path/pci-0000:00:1d.0-usb-0:1.3:1.0-event
  Device Number: char 13:71
  Speed: 480 Mbps
  Module Alias: "usb:v04F2pB272d1156dcEFdsc02dp01ic0Eisc01ip00"
  Driver Info #0:
    Driver Status: uvcvideo is active
    Driver Activation Cmd: "modprobe uvcvideo"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #8 (Hub)