[Bug 221552] btmtk: MT7921 (USB 0e8d:e020 / PCI 14c3:7920) Bluetooth broken since 7.0.7 - fix for 0489:e0e2 does not cover this PID

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=221552

--- Comment #3 from Gunjan Bagayatkar (gpbagayatkar@gmail.com) ---
While I cannot speak for OP,

what I can confirm is,

I was facing similar issue as OP on similar machine, and after upgrading to
7.0.10 it is fixed.

Bluetooth works (discovering devices, pairing, listening to music, all work)

My specs:

model: Lenovo LOQ 15AHP10
wifi chip: MediaTek MT7921
OS: openSUSE Tumbleweed
previous known-good kernel: unknown (newly bought machine)
kernel with failing bluetooth: 7.0.9
kernel with working bluetooth: 7.0.10
I received new kernel via distribution rolling upgrade

lspci -nnk :
  03:00.0 Network controller [0280]: MEDIATEK Corp. Device [14c3:7920]
        DeviceName: Realtek
        Subsystem: Lenovo Device [17aa:e020]
        Kernel driver in use: mt7921e
(same as OP)

lsusb :
Bus 001 Device 004: ID 0e8d:e020 MediaTek Inc. Wireless_Device
(same as OP)

modinfo btmtk
  filename:      
/usr/lib/modules/7.0.10-2-default/kernel/drivers/bluetooth/btmtk.ko.zst
  firmware:       mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin
  firmware:       mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
  firmware:       mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin
  firmware:       mediatek/mt7668pr2h.bin
  firmware:       mediatek/mt7663pr2h.bin
  firmware:       mediatek/mt7622pr2h.bin
  (2 new lines than OP. this is working state)

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