查看Android: Startup mouse not found debug的源代码 Android: Startup mouse not found debug 0

Normal situation, when plug mouse receiver:

[  274.717740] usb 1-1.1: new full-speed USB device number 4 using xhci-hcd
[  274.827156] init: Received control message 'start' for 'setup-bcb' from pid: 2757 (system_server)
[  274.827871] usb 1-1.1: New USB device found, idVendor=046d, idProduct=c534
[  274.836911] init: starting service 'setup-bcb'...
[  274.843065] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  274.843077] usb 1-1.1: Product: USB Receiver
[  274.859552] usb 1-1.1: Manufacturer: Logitech
[  274.879222] input: Logitech USB Receiver as /devices/platform/soc/ff200000.hisi_usb/ff100000.dwc3/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.0/0003:046D:C534.0001/input/input1
[  274.956738] hid-generic 0003:046D:C534.0001: input,hidraw0: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-xhci-hcd.1.auto-1.1/input0
[  275.102236] input: Logitech USB Receiver as /devices/platform/soc/ff200000.hisi_usb/ff100000.dwc3/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.1/0003:046D:C534.0002/input/input2
[  275.179221] hid-generic 0003:046D:C534.0002: input,hiddev96,hidraw1: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-xhci-hcd.1.auto-1.1/input1