looking at device '/class/sound/controlC1':
    KERNEL=="controlC1"
    SUBSYSTEM=="sound"
    DRIVER==""
    ATTR{dev}=="116:9"

  looking at parent device '/devices/pci0000:00/0000:00:1b.0':
    KERNELS=="0000:00:1b.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="HDA Intel"
    ATTRS{msi_bus}==""
    ATTRS{broken_parity_status}=="0"
    ATTRS{modalias}=="pci:v00008086d000027D8sv00001028sd000001D8bc04sc03i00"
    ATTRS{local_cpus}=="ff"
    ATTRS{irq}=="20"
    ATTRS{class}=="0x040300"
    ATTRS{subsystem_device}=="0x01d8"
    ATTRS{subsystem_vendor}=="0x1028"
    ATTRS{device}=="0x27d8"
    ATTRS{vendor}=="0x8086"

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""