On Saturday, April 27, 2019 6:52 AM, Pratyush Sureka <pratsure@gmail.com> wrote:

> I want to connect my bluetooth earphones to my laptop so I followed the instructions given on the website. I installed bluez, enabled the required services and checked the rfkill. Still it is not working so the i  checked dmesg and I got the following error.
>
> [ 5.121228] bluetooth hci0: Direct firmware load for qca/rampatch_usb_00000302.bin failed with error -2
> [ 5.121231] Bluetooth: hci0: failed to request rampatch file: qca/rampatch_usb_00000302.bin (-2)
> [ 81.840100] bluetooth hci0: Direct firmware load for qca/rampatch_usb_00000302.bin failed with error -2
> [ 81.840103] Bluetooth: hci0: failed to request rampatch file: qca/rampatch_usb_00000302.bin (-2)
>
> I dont know how to fix this. I switched back to Arch Linux a while back because of this and I dont get this error there.
>
> uname -r
> 5.0.9_1
>
> Please tell me the solution.
>
> # bluetoothctl
> Agent registered
> [bluetooth]# scan on
> No default controller available

The firmware file you are missing is in the linux-firmware package:

~ $ xlocate rampatch_usb_00000302.bin
linux-firmware-20181218_1 /usr/lib/firmware/qca/rampatch_usb_00000302.bin
linux-firmware-20181218_1 /usr/lib/firmware/qca/rampatch_usb_00000302.bin

hth,
Frank

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