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- [ jonny@thinkpad-t410 ~ ]$ lsusb | grep -i keyboard
- Bus 001 Device 010: ID 17ef:6009 Lenovo ThinkPad Keyboard with TrackPoint
- [ jonny@thinkpad-t410 ~ ]$ udevadm info -a -p $(udevadm info -q path -n /dev/bus/usb/001/010 )
- Udevadm info starts with the device specified by the devpath and then
- walks up the chain of parent devices. It prints for every device
- found, all possible attributes in the udev rules key format.
- A rule to match, can be composed by the attributes of the device
- and the attributes from one single parent device.
- looking at device '/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5.4':
- KERNEL=="1-1.5.4"
- SUBSYSTEM=="usb"
- DRIVER=="usb"
- ATTR{configuration}==""
- ATTR{bNumInterfaces}==" 2"
- ATTR{bConfigurationValue}=="1"
- ATTR{bmAttributes}=="a0"
- ATTR{bMaxPower}=="100mA"
- ATTR{urbnum}=="2174"
- ATTR{idVendor}=="17ef"
- ATTR{idProduct}=="6009"
- ATTR{bcdDevice}=="0127"
- ATTR{bDeviceClass}=="00"
- ATTR{bDeviceSubClass}=="00"
- ATTR{bDeviceProtocol}=="00"
- ATTR{bNumConfigurations}=="1"
- ATTR{bMaxPacketSize0}=="8"
- ATTR{speed}=="1.5"
- ATTR{busnum}=="1"
- ATTR{devnum}=="10"
- ATTR{devpath}=="1.5.4"
- ATTR{version}==" 1.10"
- ATTR{maxchild}=="0"
- ATTR{quirks}=="0x0"
- ATTR{avoid_reset_quirk}=="0"
- ATTR{authorized}=="1"
- ATTR{manufacturer}=="Lite-On Technology Corp."
- ATTR{product}=="ThinkPad USB Keyboard with TrackPoint"
- looking at parent device '/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5':
- KERNELS=="1-1.5"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{configuration}==""
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bmAttributes}=="e0"
- ATTRS{bMaxPower}==" 2mA"
- ATTRS{urbnum}=="45"
- ATTRS{idVendor}=="17ef"
- ATTRS{idProduct}=="100a"
- ATTRS{bcdDevice}=="0000"
- ATTRS{bDeviceClass}=="09"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="02"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{speed}=="480"
- ATTRS{busnum}=="1"
- ATTRS{devnum}=="9"
- ATTRS{devpath}=="1.5"
- ATTRS{version}==" 2.00"
- ATTRS{maxchild}=="6"
- ATTRS{quirks}=="0x0"
- ATTRS{avoid_reset_quirk}=="0"
- ATTRS{authorized}=="1"
- looking at parent device '/devices/pci0000:00/0000:00:1a.0/usb1/1-1':
- KERNELS=="1-1"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{configuration}==""
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bmAttributes}=="e0"
- ATTRS{bMaxPower}==" 0mA"
- ATTRS{urbnum}=="109"
- ATTRS{idVendor}=="8087"
- ATTRS{idProduct}=="0020"
- ATTRS{bcdDevice}=="0000"
- ATTRS{bDeviceClass}=="09"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="01"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{speed}=="480"
- ATTRS{busnum}=="1"
- ATTRS{devnum}=="2"
- ATTRS{devpath}=="1"
- ATTRS{version}==" 2.00"
- ATTRS{maxchild}=="6"
- ATTRS{quirks}=="0x0"
- ATTRS{avoid_reset_quirk}=="0"
- ATTRS{authorized}=="1"
- looking at parent device '/devices/pci0000:00/0000:00:1a.0/usb1':
- KERNELS=="usb1"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{configuration}==""
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bmAttributes}=="e0"
- ATTRS{bMaxPower}==" 0mA"
- ATTRS{urbnum}=="26"
- ATTRS{idVendor}=="1d6b"
- ATTRS{idProduct}=="0002"
- ATTRS{bcdDevice}=="0302"
- ATTRS{bDeviceClass}=="09"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="00"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{speed}=="480"
- ATTRS{busnum}=="1"
- ATTRS{devnum}=="1"
- ATTRS{devpath}=="0"
- ATTRS{version}==" 2.00"
- ATTRS{maxchild}=="3"
- ATTRS{quirks}=="0x0"
- ATTRS{avoid_reset_quirk}=="0"
- ATTRS{authorized}=="1"
- ATTRS{manufacturer}=="Linux 3.2.0-24-generic-tp ehci_hcd"
- ATTRS{product}=="EHCI Host Controller"
- ATTRS{serial}=="0000:00:1a.0"
- ATTRS{authorized_default}=="1"
- looking at parent device '/devices/pci0000:00/0000:00:1a.0':
- KERNELS=="0000:00:1a.0"
- SUBSYSTEMS=="pci"
- DRIVERS=="ehci_hcd"
- ATTRS{vendor}=="0x8086"
- ATTRS{device}=="0x3b3c"
- ATTRS{subsystem_vendor}=="0x17aa"
- ATTRS{subsystem_device}=="0x2163"
- ATTRS{class}=="0x0c0320"
- ATTRS{irq}=="23"
- ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,0000000f"
- ATTRS{local_cpulist}=="0-3"
- ATTRS{numa_node}=="-1"
- ATTRS{dma_mask_bits}=="32"
- ATTRS{consistent_dma_mask_bits}=="32"
- ATTRS{broken_parity_status}=="0"
- ATTRS{msi_bus}==""
- ATTRS{companion}==""
- ATTRS{uframe_periodic_max}=="100"
- looking at parent device '/devices/pci0000:00':
- KERNELS=="pci0000:00"
- SUBSYSTEMS==""
- DRIVERS==""
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