2149:211b — Touchscreen Controller

This is the USB identifier for a Touchscreen Controller manufactured by Advanced Silicon S.A.. The vendor ID 2149 is registered to Advanced Silicon S.A. with the USB Implementers Forum, and 211b is the product ID that Advanced Silicon S.A. assigned to this particular model. When you run lsusb on Linux, this device appears as 2149:211b Advanced Silicon S.A. Touchscreen Controller.

Linux

$ lsusb
Bus 001 Device 004: ID 2149:211b Advanced Silicon S.A. Touchscreen Controller

You can filter directly with lsusb -d 2149:211b, or get the full descriptor dump with lsusb -v -d 2149:211b. Kernel messages from dmesg show the same pair as idVendor=2149, idProduct=211b.

Windows

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

USB\VID_2149&PID_211B
USB\VID_2149&PID_211B&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2149&PID_211B"

macOS

$ system_profiler SPUSBDataType
    Touchscreen Controller:
      Product ID: 0x211b
      Vendor ID: 0x2149  (Advanced Silicon S.A.)

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:

2149  Advanced Silicon S.A.
	211b  Touchscreen Controller

• 2149:2306 TS58xxA/TC56xxA [CoolTouch]
• 2149:2703 TS58xxA/TC56xxA [CoolTouch]

See all 3 devices from Advanced Silicon S.A. →