Thread (1 message) 1 message, 1 author, 2020-06-24

[Bug 60824] [PATCH][regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable

From: <hidden>
Date: 2020-06-24 17:23:23

https://bugzilla.kernel.org/show_bug.cgi?id=60824
--- Comment #83 from Andrés Rodríguez (hello@andres.codes) ---
Before removing hci_rev check (patch 2.0 as-is)

hcidump -X

https://gist.github.com/mixedCase/67bfaa752050aa4a705e538f9d478ec3

dmesg:

[14225.389482] usb 1-2: new full-speed USB device number 6 using xhci_hcd
[14225.549112] usb 1-2: New USB device found, idVendor=0a12, idProduct=0001,
bcdDevice=25.20
[14225.549115] usb 1-2: New USB device strings: Mfr=0, Product=2,
SerialNumber=0
[14225.549117] usb 1-2: Product: CSR8510 A10
[14225.557143] Bluetooth: hci0: CSR: New controller detected; bcdDevice=0x2520,
HCI manufacturer=10, HCI rev=0x3120, LMP subver=0x22bb
[14225.557144] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding
workaround

---

After removing hci_rev check

hcidump -X

https://gist.github.com/mixedCase/2e1c670e5d4ff414558b35db37472058

dmesg:

[13938.833774] usb 1-2: new full-speed USB device number 4 using xhci_hcd
[13938.996271] usb 1-2: New USB device found, idVendor=0a12, idProduct=0001,
bcdDevice=25.20
[13938.996274] usb 1-2: New USB device strings: Mfr=0, Product=2,
SerialNumber=0
[13938.996276] usb 1-2: Product: CSR8510 A10
[13939.004322] Bluetooth: hci0: CSR: New controller detected; bcdDevice=0x2520,
HCI manufacturer=10, HCI rev=0x3120, LMP subver=0x22bb
[13939.004324] Bluetooth: hci0: CSR: Modern CSR controller type detected

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