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- $ udevadm info -a /dev/lirc1
- 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/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/rc/rc1/lirc1':
- KERNEL=="lirc1"
- SUBSYSTEM=="lirc"
- DRIVER==""
- looking at parent device '/devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/rc/rc1':
- KERNELS=="rc1"
- SUBSYSTEMS=="rc"
- DRIVERS==""
- ATTRS{protocols}=="rc-5 nec rc-6 jvc sony mce_kbd [lirc]"
- looking at parent device '/devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0':
- KERNELS=="4-5:1.0"
- SUBSYSTEMS=="usb"
- DRIVERS=="mceusb"
- ATTRS{bInterfaceClass}=="ff"
- ATTRS{bInterfaceSubClass}=="ff"
- ATTRS{bInterfaceProtocol}=="ff"
- ATTRS{bNumEndpoints}=="02"
- ATTRS{supports_autosuspend}=="0"
- ATTRS{bAlternateSetting}==" 0"
- ATTRS{bInterfaceNumber}=="00"
- looking at parent device '/devices/pci0000:00/0000:00:12.0/usb4/4-5':
- KERNELS=="4-5"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="00"
- ATTRS{devpath}=="5"
- ATTRS{idVendor}=="1934"
- ATTRS{speed}=="12"
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bMaxPacketSize0}=="16"
- ATTRS{busnum}=="4"
- ATTRS{devnum}=="2"
- ATTRS{configuration}==""
- ATTRS{bMaxPower}=="100mA"
- ATTRS{authorized}=="1"
- ATTRS{bmAttributes}=="a0"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{maxchild}=="0"
- ATTRS{bcdDevice}=="0001"
- ATTRS{avoid_reset_quirk}=="0"
- ATTRS{quirks}=="0x0"
- ATTRS{serial}=="88636562727801"
- ATTRS{version}==" 2.00"
- ATTRS{urbnum}=="27220"
- ATTRS{ltm_capable}=="no"
- ATTRS{manufacturer}=="FINTEK"
- ATTRS{removable}=="unknown"
- ATTRS{idProduct}=="5168"
- ATTRS{bDeviceClass}=="00"
- ATTRS{product}=="eHome Infrared Transceiver"
- looking at parent device '/devices/pci0000:00/0000:00:12.0/usb4':
- KERNELS=="usb4"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="00"
- ATTRS{devpath}=="0"
- ATTRS{idVendor}=="1d6b"
- ATTRS{speed}=="12"
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{authorized_default}=="1"
- ATTRS{busnum}=="4"
- ATTRS{devnum}=="1"
- ATTRS{configuration}==""
- ATTRS{bMaxPower}=="0mA"
- ATTRS{authorized}=="1"
- ATTRS{bmAttributes}=="e0"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{maxchild}=="5"
- ATTRS{bcdDevice}=="0316"
- ATTRS{avoid_reset_quirk}=="0"
- ATTRS{quirks}=="0x0"
- ATTRS{serial}=="0000:00:12.0"
- ATTRS{version}==" 1.10"
- ATTRS{urbnum}=="39"
- ATTRS{ltm_capable}=="no"
- ATTRS{manufacturer}=="Linux 3.16.0-41-generic ohci_hcd"
- ATTRS{removable}=="unknown"
- ATTRS{idProduct}=="0001"
- ATTRS{bDeviceClass}=="09"
- ATTRS{product}=="OHCI PCI host controller"
- looking at parent device '/devices/pci0000:00/0000:00:12.0':
- KERNELS=="0000:00:12.0"
- SUBSYSTEMS=="pci"
- DRIVERS=="ohci-pci"
- ATTRS{irq}=="18"
- ATTRS{subsystem_vendor}=="0x103c"
- ATTRS{broken_parity_status}=="0"
- ATTRS{class}=="0x0c0310"
- ATTRS{driver_override}=="(null)"
- ATTRS{consistent_dma_mask_bits}=="32"
- ATTRS{dma_mask_bits}=="32"
- ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000003"
- ATTRS{device}=="0x4397"
- ATTRS{enable}=="1"
- ATTRS{msi_bus}==""
- ATTRS{local_cpulist}=="0-1"
- ATTRS{vendor}=="0x1002"
- ATTRS{subsystem_device}=="0x1609"
- ATTRS{numa_node}=="0"
- ATTRS{d3cold_allowed}=="0"
- looking at parent device '/devices/pci0000:00':
- KERNELS=="pci0000:00"
- SUBSYSTEMS==""
- DRIVERS==""
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