Barcode Reader
USB ID 04b4:bca1 · Cypress Semiconductor Corp.
| Vendor | Cypress Semiconductor Corp. |
|---|---|
| Vendor ID | 04b4 |
| Device ID | bca1 |
| Windows hardware ID | USB\VID_04B4&PID_BCA1 |
| Linux modalias | usb:v04B4pBCA1 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 04b4:bca1?
USB ID 04b4:bca1 is “Barcode Reader” made by Cypress Semiconductor Corp. (vendor ID 04b4, device ID bca1).
Which Linux driver supports Barcode Reader?
Linux kernel 6.12 lists no driver for this exact ID. Most USB devices (keyboards, mice, storage, webcams, audio) still work through generic class drivers such as usbhid, usb-storage, uvcvideo or snd-usb-audio. Overview of device classes and their drivers
How do I check whether Barcode Reader is in my computer?
On Linux, lsusb -d 04b4:bca1 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_04B4&PID_BCA1.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.
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