And tis is some kind of log for events after connecting the RC-28 to an usb port:
sudo udevadm monitor -e …
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent
KERNEL[1416.650844] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2 (usb)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/001/007
DEVTYPE=usb_device
PRODUCT=c26/1e/1
TYPE=0/0/0
BUSNUM=001
DEVNUM=007
SEQNUM=2957
MAJOR=189
MINOR=6
KERNEL[1416.656787] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0 (usb)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=c26/1e/1
TYPE=0/0/0
INTERFACE=3/1/0
MODALIAS=usb:v0C26p001Ed0001dc00dsc00dp00ic03isc01ip00in00
SEQNUM=2958
KERNEL[1416.669451] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006 (hid)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006
SUBSYSTEM=hid
HID_ID=0003:00000C26:0000001E
HID_NAME=Icom Inc. Icom RC-28 REMOTE ENCODER
HID_PHYS=usb-0000:01:00.0-1.2/input0
HID_UNIQ=RC-28 0103435
MODALIAS=hid:b0003g0001v00000C26p0000001E
SEQNUM=2959
KERNEL[1416.669689] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/usbmisc/hiddev0 (usbmisc)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/usbmisc/hiddev0
SUBSYSTEM=usbmisc
DEVNAME=/dev/usb/hiddev0
SEQNUM=2960
MAJOR=180
MINOR=96
KERNEL[1416.671123] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006/hidraw/hidraw2 (hidraw)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006/hidraw/hidraw2
SUBSYSTEM=hidraw
DEVNAME=/dev/hidraw2
SEQNUM=2961
MAJOR=242
MINOR=2
KERNEL[1416.671693] bind /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006 (hid)
ACTION=bind
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006
SUBSYSTEM=hid
DRIVER=hid-generic
HID_ID=0003:00000C26:0000001E
HID_NAME=Icom Inc. Icom RC-28 REMOTE ENCODER
HID_PHYS=usb-0000:01:00.0-1.2/input0
HID_UNIQ=RC-28 0103435
MODALIAS=hid:b0003g0001v00000C26p0000001E
SEQNUM=2962
KERNEL[1416.672426] bind /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0 (usb)
ACTION=bind
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
DRIVER=usbhid
PRODUCT=c26/1e/1
TYPE=0/0/0
INTERFACE=3/1/0
MODALIAS=usb:v0C26p001Ed0001dc00dsc00dp00ic03isc01ip00in00
SEQNUM=2963
KERNEL[1416.672926] bind /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2 (usb)
ACTION=bind
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/001/007
DEVTYPE=usb_device
DRIVER=usb
PRODUCT=c26/1e/1
TYPE=0/0/0
BUSNUM=001
DEVNUM=007
SEQNUM=2964
MAJOR=189
MINOR=6
UDEV [1416.705808] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2 (usb)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/001/007
DEVTYPE=usb_device
PRODUCT=c26/1e/1
TYPE=0/0/0
BUSNUM=001
DEVNUM=007
SEQNUM=2957
USEC_INITIALIZED=1416702318
ID_BUS=usb
ID_MODEL=Icom_RC-28_REMOTE_ENCODER
ID_MODEL_ENC=Icom\x20RC-28\x20REMOTE\x20ENCODER
ID_MODEL_ID=001e
ID_SERIAL=Icom_Inc._Icom_RC-28_REMOTE_ENCODER_RC-28_0103435
ID_SERIAL_SHORT=RC-28_0103435
ID_VENDOR=Icom_Inc.
ID_VENDOR_ENC=Icom\x20Inc.
ID_VENDOR_ID=0c26
ID_REVISION=0001
ID_USB_MODEL=Icom_RC-28_REMOTE_ENCODER
ID_USB_MODEL_ENC=Icom\x20RC-28\x20REMOTE\x20ENCODER
ID_USB_MODEL_ID=001e
ID_USB_SERIAL=Icom_Inc._Icom_RC-28_REMOTE_ENCODER_RC-28_0103435
ID_USB_SERIAL_SHORT=RC-28_0103435
ID_USB_VENDOR=Icom_Inc.
ID_USB_VENDOR_ENC=Icom\x20Inc.
ID_USB_VENDOR_ID=0c26
ID_USB_REVISION=0001
ID_USB_INTERFACES=:030100:
ID_VENDOR_FROM_DATABASE=Prolific Technology Inc.
ID_AV_PRODUCTION_CONTROLLER=1
ID_PATH=platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2
ID_PATH_TAG=platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2
DRIVER=usb
ID_FOR_SEAT=usb-platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2
MAJOR=189
MINOR=6
TAGS=:uaccess:seat:
CURRENT_TAGS=:uaccess:seat:
UDEV [1416.726259] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0 (usb)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=c26/1e/1
TYPE=0/0/0
INTERFACE=3/1/0
MODALIAS=usb:v0C26p001Ed0001dc00dsc00dp00ic03isc01ip00in00
SEQNUM=2958
USEC_INITIALIZED=1416723822
ID_VENDOR_FROM_DATABASE=Prolific Technology Inc.
ID_AV_PRODUCTION_CONTROLLER=1
ID_PATH=platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0
ID_PATH_TAG=platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2_1_0
DRIVER=usbhid
UDEV [1416.733663] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006 (hid)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006
SUBSYSTEM=hid
HID_ID=0003:00000C26:0000001E
HID_NAME=Icom Inc. Icom RC-28 REMOTE ENCODER
HID_PHYS=usb-0000:01:00.0-1.2/input0
HID_UNIQ=RC-28 0103435
MODALIAS=hid:b0003g0001v00000C26p0000001E
SEQNUM=2959
USEC_INITIALIZED=1416732575
DRIVER=hid-generic
UDEV [1416.745451] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/usbmisc/hiddev0 (usbmisc)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/usbmisc/hiddev0
SUBSYSTEM=usbmisc
DEVNAME=/dev/usb/hiddev0
SEQNUM=2960
USEC_INITIALIZED=1416743105
MAJOR=180
MINOR=96
UDEV [1416.772858] add /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006/hidraw/hidraw2 (hidraw)
ACTION=add
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006/hidraw/hidraw2
SUBSYSTEM=hidraw
DEVNAME=/dev/hidraw2
SEQNUM=2961
USEC_INITIALIZED=1416771351
ID_VENDOR_FROM_DATABASE=Prolific Technology Inc.
ID_AV_PRODUCTION_CONTROLLER=1
ID_PATH=platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0
ID_PATH_TAG=platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2_1_0
ID_FOR_SEAT=hidraw-platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2_1_0
MAJOR=242
MINOR=2
TAGS=:uaccess:seat:
CURRENT_TAGS=:uaccess:seat:
UDEV [1416.781908] bind /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006 (hid)
ACTION=bind
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0C26:001E.0006
SUBSYSTEM=hid
DRIVER=hid-generic
HID_ID=0003:00000C26:0000001E
HID_NAME=Icom Inc. Icom RC-28 REMOTE ENCODER
HID_PHYS=usb-0000:01:00.0-1.2/input0
HID_UNIQ=RC-28 0103435
MODALIAS=hid:b0003g0001v00000C26p0000001E
SEQNUM=2962
USEC_INITIALIZED=1416781432
UDEV [1416.788442] bind /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0 (usb)
ACTION=bind
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2/1-1.2:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
DRIVER=usbhid
PRODUCT=c26/1e/1
TYPE=0/0/0
INTERFACE=3/1/0
MODALIAS=usb:v0C26p001Ed0001dc00dsc00dp00ic03isc01ip00in00
SEQNUM=2963
USEC_INITIALIZED=1416723822
ID_VENDOR_FROM_DATABASE=Prolific Technology Inc.
ID_AV_PRODUCTION_CONTROLLER=1
ID_PATH=platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0
ID_PATH_TAG=platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2_1_0
UDEV [1416.800534] bind /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2 (usb)
ACTION=bind
DEVPATH=/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.2
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/001/007
DEVTYPE=usb_device
DRIVER=usb
PRODUCT=c26/1e/1
TYPE=0/0/0
BUSNUM=001
DEVNUM=007
SEQNUM=2964
USEC_INITIALIZED=1416702318
ID_BUS=usb
ID_MODEL=Icom_RC-28_REMOTE_ENCODER
ID_MODEL_ENC=Icom\x20RC-28\x20REMOTE\x20ENCODER
ID_MODEL_ID=001e
ID_SERIAL=Icom_Inc._Icom_RC-28_REMOTE_ENCODER_RC-28_0103435
ID_SERIAL_SHORT=RC-28_0103435
ID_VENDOR=Icom_Inc.
ID_VENDOR_ENC=Icom\x20Inc.
ID_VENDOR_ID=0c26
ID_REVISION=0001
ID_USB_MODEL=Icom_RC-28_REMOTE_ENCODER
ID_USB_MODEL_ENC=Icom\x20RC-28\x20REMOTE\x20ENCODER
ID_USB_MODEL_ID=001e
ID_USB_SERIAL=Icom_Inc._Icom_RC-28_REMOTE_ENCODER_RC-28_0103435
ID_USB_SERIAL_SHORT=RC-28_0103435
ID_USB_VENDOR=Icom_Inc.
ID_USB_VENDOR_ENC=Icom\x20Inc.
ID_USB_VENDOR_ID=0c26
ID_USB_REVISION=0001
ID_USB_INTERFACES=:030100:
ID_VENDOR_FROM_DATABASE=Prolific Technology Inc.
ID_AV_PRODUCTION_CONTROLLER=1
ID_PATH=platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2
ID_PATH_TAG=platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2
ID_FOR_SEAT=usb-platform-fd500000_pcie-pci-0000_01_00_0-usb-0_1_2
MAJOR=189
MINOR=6
TAGS=:uaccess:seat:
CURRENT_TAGS=:uaccess:seat:
sudo udevadm monitor -e …sudo udevadm