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[ARCHIVED] Fix for CSR Dongle 0a12:0001 ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

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Please refer to previous revisions if you know what to do.

The patch proposed was merged into kernel in 5.8 release, but no longer working as of linux 5.11

JeffreyO commented Jul 1, 2024

I wonder if it's possible to rewrite and reflash the firmware of the CSR Clones. They could be an interesting thing for a common open-source firmware. The device is awful, but it's extremely common and cheap.

Chinese manufacturers produce identical looking Bluetooth dongles with different chips. They use new chips over time. So you can't have one firmware to fix them all.

Ah, that's unfortunate.