2dcf:c951 — Audio Class 1.0 Devices

This is the USB identifier for a Audio Class 1.0 Devices manufactured by Dialog Semiconductor. The vendor ID 2dcf is registered to Dialog Semiconductor with the USB Implementers Forum, and c951 is the product ID that Dialog Semiconductor assigned to this particular model. When you run lsusb on Linux, this device appears as 2dcf:c951 Dialog Semiconductor Audio Class 1.0 Devices.

Linux

$ lsusb
Bus 001 Device 004: ID 2dcf:c951 Dialog Semiconductor Audio Class 1.0 Devices

You can filter directly with lsusb -d 2dcf:c951, or get the full descriptor dump with lsusb -v -d 2dcf:c951. Kernel messages from dmesg show the same pair as idVendor=2dcf, idProduct=c951.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_2DCF&PID_C951
USB\VID_2DCF&PID_C951&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2DCF&PID_C951"

macOS

$ system_profiler SPUSBDataType
    Audio Class 1.0 Devices:
      Product ID: 0xc951
      Vendor ID: 0x2dcf  (Dialog Semiconductor)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

2dcf  Dialog Semiconductor
	c951  Audio Class 1.0 Devices

• 2dcf:c952 Audio Class 2.0 Devices

See all 2 devices from Dialog Semiconductor →