SoundKnob
USB ID 077d:04aa · Griffin Technology
| Vendor | Griffin Technology |
|---|---|
| Vendor ID | 077d |
| Device ID | 04aa |
| Windows hardware ID | USB\VID_077D&PID_04AA |
| Linux modalias | usb:v077Dp04AA |
| Linux driver | powermate |
Frequently asked questions
Which device has USB ID 077d:04aa?
USB ID 077d:04aa is “SoundKnob” made by Griffin Technology (vendor ID 077d, device ID 04aa).
Which Linux driver supports SoundKnob?
In Linux kernel 6.12 the device is bound to the driver powermate (source under drivers/input/misc). The driver is normally loaded automatically when the device is detected.
How do I check whether SoundKnob is in my computer?
On Linux, lsusb -d 077d:04aa shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_077D&PID_04AA.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.