Re: [Bluez-devel] Problems with Dell BCM2045 USB device

[Marcel Holtmann <marcel@holtmann.org>]

Hi Jon,

> > please show us the content of /proc/bus/usb/devices for this dongle.
> 
> T:  Bus=05 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#=  4 Spd=12  MxCh= 0
> D:  Ver= 2.00 Cls=e0(unk. ) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
> P:  Vendor=413c ProdID=8126 Rev= 1.00
> S:  Manufacturer=Broadcom Corp
> S:  Product=BCM2045
> C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 3 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
> E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
> E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> I:  If#= 1 Alt= 0 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
> I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
> I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
> I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  32 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  32 Ivl=1ms
> I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  64 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  64 Ivl=1ms
> I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  64 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  64 Ivl=1ms
> I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
> E:  Ad=84(I) Atr=02(Bulk) MxPS=  32 Ivl=0ms
> E:  Ad=04(O) Atr=02(Bulk) MxPS=  32 Ivl=0ms
> I:  If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=00 Driver=(none)
> 
> (Note this dongle is actually internally fitted on the Inspiron.)
> 
> > Does normal operation like scanning for other devices work if you don't
> > give the reset=1 quirk? If yes, then this one is not needed at all.
> 
> I didn't think it was needed and scanning works fine for devices that
> aren't paired.
> 
> > If you load the hci_usb driver without force_scofix=1, what does
> > hciconfig show you.
> 
> Removing all options, hciconfig -a hci0 gives the following:
> hci0:   Type: USB
>         BD Address: 00:16:CF:CE:C2:75 ACL MTU: 1017:8 SCO MTU: 64:8
>         UP RUNNING PSCAN 
>         RX bytes:659 acl:0 sco:0 events:19 errors:0
>         TX bytes:323 acl:0 sco:0 commands:19 errors:0
>         Features: 0xff 0xff 0x8d 0xfe 0x9b 0xfd 0x00 0x80
>         Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
>         Link policy: RSWITCH HOLD SNIFF PARK 
>         Link mode: SLAVE ACCEPT 
>         Name: 'BlueZ (0)'
>         Class: 0x3e0100
>         Service Classes: Networking, Rendering, Capturing, Object
> Transfer, Audio
>         Device Class: Computer, Uncategorized
>         HCI Ver: 2.0 (0x3) HCI Rev: 0x20da LMP Ver: 2.0 (0x3) LMP
> Subver: 0x4182
>         Manufacturer: Broadcom Corporation (15)

did you reload the driver or reboot your system? This would have been
the first Broadcom chip where the values are correct. Can you
check /sys/class/module/parameters/* that no quirk is actually active.

Regards

Marcel



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