btsco and Nokia HDW-3 headset not working

Hi all,

I am trying to get btsco working with my Nokia HDW-3 headset so I can use skype from linux. I am can use skype under Windoze at the moment with the headset and dongle so I know this setup works.

The thing is, I can connect and pair with the headset under linux. I can even control the volume in alsamixer using the headset controls. I just can't get any sound! For example if I configure XMMS to use the headset as output it simply doesn't play.

I have included the following output suggested to assist with debugging from http://bluetooth-alsa.sourceforge.net.

The output of hciconfig hci0 -a:
hci0: Type: USB
BD Address: 00:10:60:AC:B0:7A ACL MTU: 377:10 SCO MTU: 16:0 UP RUNNING PSCAN ISCAN
RX bytes:1394 acl:36 sco:0 events:62 errors:0
TX bytes:849 acl:23 sco:0 commands:25 errors:0
Features: 0xff 0xfe 0x0d 0x38 0x08 0x08 0x00 0x00 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'Athos'
Class: 0x000100
Service Classes: Unspecified
Device Class: Computer, Uncategorized
HCI Ver: 1.2 (0x2) HCI Rev: 0x1 LMP Ver: 1.2 (0x2) LMP Subver:
0x6963
Manufacturer: Broadcom Corporation (15)

athos root # hciconfig hci0 revsion
hci0: Type: USB

        BD Address: 00:10:60:AC:B0:7A ACL MTU: 377:10  SCO MTU: 16:0
        UP RUNNING PSCAN ISCAN 
        RX bytes:1671 acl:36 sco:0 events:65 errors:0
        TX bytes:858 acl:23 sco:0 commands:28 errors:0

So I think this dongle should be fine right?

Now when I try to connect I get the following:

athos root # sdptool search --bdaddr 00:03:89:67:8F:F7 0x1108 Class 0x1108
Searching for 0x1108 on 00:03:89:67:8F:F7 ... Service Name: Headset
Service RecHandle: 0x10000
Service Class ID List:
"Headset" (0x1108)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 1
Profile Descriptor List:
"Headset" (0x1108)

    Version: 0x0100

athos root # btsco 00:03:89:67:8F:F7 1
Device is 2:0
Voice setting: 0x0060
RFCOMM channel 1 connected
recieved AT+CKPD=200
opened hwdep
connected SCO channel
Setting sco fd
Done setting sco fd
recieved AT+VGS=15
Sending up speaker change 15
recieved AT+VGS=11
Sending up speaker change 11
recieved AT+VGS=09
Sending up speaker change 9
recieved AT+VGS=08
Sending up speaker change 8
recieved AT+VGS=09
Sending up speaker change 9
recieved AT+VGS=11
Sending up speaker change 11
recieved AT+VGS=15

That last bit is me fiddling with the volume controls on the headset.

athos root # hcitool info 00:03:89:67:8F:F7 (headset address) Requesting information ...
BD Address: 00:03:89:67:8F:F7
Device Name: Nokia HDW-3
LMP Version: 1.2 (0x2) LMP Subversion: 0x615
Manufacturer: Cambridge Silicon Radio (10)
Features: 0xbc 0x28 0x01 0x00 0x08 0x08 0x00 0x00
<encryption> <slot offset> <timing accuracy> <role
switch>
<sniff mode> <SCO link> <HV3 packets> <CVSD> <AFH cap.
slave>
<AFH cap. master>

athos root # hcidump -X
HCIDump - HCI packet analyzer ver 1.12
device: hci0 snap_len: 1028 filter: 0xffffffffffffffff

    L2CAP(d): cid 0x0040 len 15 [psm 0]
      0000: 09 ff 15 01 41 54 2b 56  47 53 3d 31 35 0d 5c    
....AT+VGS=15.\
< ACL data: handle 0x0006 flags 0x02 dlen 14
    L2CAP(d): cid 0x0048 len 10 [psm 0]
      0000: 0b ef 0d 0d 0a 4f 4b 0d  0a 9a                    .....OK...

0000: 01 06 00 01 00 .....

    L2CAP(d): cid 0x0040 len 15 [psm 0]
      0000: 09 ff 15 01 41 54 2b 56  47 53 3d 31 31 0d 5c    
....AT+VGS=11.\
< ACL data: handle 0x0006 flags 0x02 dlen 14
    L2CAP(d): cid 0x0048 len 10 [psm 0]
      0000: 0b ef 0d 0d 0a 4f 4b 0d  0a 9a                    .....OK...

0000: 01 06 00 01 00 .....

I am running gentoo linux with the following kernel:
athos root # uname -a
Linux athos.porthosnet.com 2.6.9-gentoo-r14 #11 Fri Mar 4 18:30:23 Local time zone must be set--see zic manu x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux

net-wireless/bluez-libs
Latest version available: 2.10
Latest version installed: 2.10
Size of downloaded files: 261 kB
Homepage: http://bluez.sourceforge.net/
Description: Bluetooth Userspace Libraries
License: GPL-2

* net-wireless/bluez-utils
Latest version available: 2.10-r1
Latest version installed: 2.10-r1
Size of downloaded files: 283 kB
Homepage: http://bluez.sourceforge.net/
Description: bluetooth utilities
License: GPL-2

I appreciate any assistance you can provide.

Cheers,
James

It's 5.50 a.m.... Do you know where your stack pointer is ?



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James

Do our docs still recommend this? The channel has been autodetected for some time.

This is not the latest cvs version. It's silent unless you specify "-v" flag. Where did you get the kernel module and btsco daemon you are trying?

It would really be a lot easier to debug if you were using the most recent kernel release (we don't have enough resources to maintiain several versions for what is supposed to be a stable kernel series)

Make sure you are using the integrated alsa, not the standalone that is distributed separately. IIRC, this came up because gentoo uses the standalone alsa.

Brad

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Hi Brad, thanks for your reply.

Not sure sorry, I copied this from a howto on the gentoo forums.

That may be the case, I built this a few weeks ago. I will update tonight. I am using an ebuild produced by someone in the gentoo community, however I am pretty sure it gets the kernel modules and btsco daemon source from cvs. I will check this and rebuild to see if that helps.

I understand, however as I am running an amd64 machine I prefer to use the gentoo sources as they have some amd64 specific patches applied.

I am definately using the intergrated alsa.

Actually I don't think this is the case any longer.

Thanks again,
James

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Ok, I've just rebuilt using the latest cvs version. I am still having the same issue where I can connect to the headset, volume etc works, but no sound (eg from XMMS).

Output:
athos root # btsco -v 00:03:89:67:8F:F7
btsco v0.4
Device is 2:0
Voice setting: 0x0060
RFCOMM channel 1 connected
recieved AT+CKPD=200
speaker volume: 11 mic volume: 1
driver is in use
connected SCO channel
Done setting sco fd
recieved AT+VGS=15
Sending up speaker change 15
recieved AT+VGS=11
Sending up speaker change 11
recieved AT+VGS=15
Sending up speaker change 15

Any ideas?

Thanks very much for your help,
James

It's 5.50 a.m.... Do you know where your stack pointer is ?



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James

You're using the current kernel module too, right?

Try xmms with /dev/dsp1 as well as the alsa plughw:Headset output device.

I think I remember having troubles like this when my alsa configuration wasn't quite right, the alsa stuff wasn't run at bootup, or something like that. fwiw, my /etc/alsa/modutils/1.0 looks like:

# Example Configuration of ALSA 0.9 for Debian GNU/Linux

alias char-major-116 snd
alias char-major-14 soundcore

options snd major=116 cards_limit=2

alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss

alias snd-card-0 snd_intel8x0
alias snd-card-1 snd_bt_sco
#alias snd-card-2 snd-share
#alias snd-card-3 snd-virmidi

alias sound-slot-0 snd-card-0
alias sound-slot-1 snd-card-1
alias sound-slot-2 snd-card-2
alias sound-slot-3 snd-card-3

Brad

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Hi Brad,

I think so. This is in cvs too right?

athos synce-librapi2-0.9.0 # modinfo snd_bt_sco

author:         Jonathan Paisley <[email protected]>
description:    Bluetooth SCO Headset Soundcard
license:        GPL
vermagic:       2.6.9-gentoo-r14 gcc-3.3

depends:

...

Ok, I changed a couple of things in my /etc/modules.d/alsa file now looks like yours (your /etc/alsa/modutils/1.0) but still no luck. It connects, but I can't get any sound.

What do I try next?

Cheers,
James

It's 5.50 a.m.... Do you know where your stack pointer is ?