[Bug 219404] New: mt7922: bluetooth can't find any devices

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=219404

            Bug ID: 219404
           Summary: mt7922: bluetooth can't find any devices
           Product: Drivers
           Version: 2.5
          Hardware: AMD
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: g.wenzel@gmail.com
        Regression: No

With kernel 6.11.4 the bluetooth device can't serach the network.
bluetoothctl:
[bluetooth]# scan on
[bluetooth]# SetDiscoveryFilter success
[bluetooth]# Failed to start discovery: org.bluez.Error.InProgress
[bluetooth]# 

btmon:
Bluetooth monitor ver 5.78
btmon[6019]: = Note: Linux version 6.11.4-floppy (x86_64)                      
                                                                               
       0.431526
btmon[6019]: = Note: Bluetooth subsystem version 2.22                          
                                                                               
       0.431527
= New Index: F0:A6:54:5C:4B:F2 (Primary,USB,hci0)                              
                                                                               
[hci0] 0.431528
= Open Index: F0:A6:54:5C:4B:F2                                                
                                                                               
[hci0] 0.431528
= Index Info: F0:A6:54:5C:4B:F2 (MediaTek, Inc.)                               
                                                                               
[hci0] 0.431529
bluetoothctl[5675]: @ MGMT Open: bluetoothctl (privileged) version 1.23        
                                                                             
{0x0002} 0.431530
bluetoothd[2715]: @ MGMT Open: bluetoothd (privileged) version 1.23            
                                                                             
{0x0001} 0.431530

l
bluetoothd[2715]: @ MGMT Command: Start Discovery (0x0023) plen 1              
                                                                      {0x0001}
[hci0] 17.144334
        Address type: 0x07
          BR/EDR
          LE Public
          LE Random
@ MGMT Event: Command Complete (0x0001) plen 4                                 
                                                                      {0x0001}
[hci0] 17.144343
      Start Discovery (0x0023) plen 1
        Status: Busy (0x0a)
        Address type: 0x07
          BR/EDR
          LE Public
          LE Random


rfkill:
ID TYPE      DEVICE                 SOFT      HARD
 0 wlan      ideapad_wlan      unblocked unblocked
 1 bluetooth ideapad_bluetooth unblocked unblocked
 2 bluetooth hci0              unblocked unblocked
 3 wlan      phy0              unblocked unblocked

With kernel 6.10.14 it is okay.

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