A2DP in N900? How to tell if in A2DP or force to A2DP? - maemo.org

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zimon	2011-01-18 , 20:38
Posts: 1,341 \| Thanked: 708 times \| Joined on Feb 2010	#1

How to tell if headset is connected currently to N900 in HFP/HSP or in A2DP-mode?
Maybe somehow with hcitool?

Code:

Nokia-N900:~# hcitool info 00:11:67:80:XX:XX
Requesting information ...
        BD Address:  00:11:67:80:XX:XX
        Device Name: BCK-08
        LMP Version: 2.0 (0x3) LMP Subversion: 0x2f8
        Manufacturer: Integrated System Solution Corp. (57)
        Features page 0: 0xbf 0xff 0xff 0x7e 0x98 0x19 0x00 0x80
                <3-slot packets> <5-slot packets> <encryption> <slot offset> 
                <timing accuracy> <role switch> <sniff mode> <park state> 
                <RSSI> <channel quality> <SCO link> <HV2 packets> 
                <HV3 packets> <u-law log> <A-law log> <CVSD> <paging scheme> 
                <power control> <transparent SCO> <broadcast encrypt> 
                <EDR ACL 2 Mbps> <EDR ACL 3 Mbps> <enhanced iscan> 
                <interlaced iscan> <interlaced pscan> <inquiry with RSSI> 
                <AFH cap. slave> <AFH class. slave> <3-slot EDR ACL> 
                <5-slot EDR ACL> <AFH cap. master> <AFH class. master> 
                <extended features> 
        Features page 1: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00

Nokia-N900:~# hcitool con
Connections:
        < ACL 00:11:67:80:XX:XX handle 12 state 1 lm MASTER AUTH ENCRYPT

Anyway to force the BT connection to A2DP?

In /etc/bluetooth/audio.conf

Code:

# Automatically connect both A2DP and HFP/HSP profiles for incoming
# connections. Some headsets that support both profiles will only connect the
# other one automatically so the default setting of true is usually a good
# idea.
#AutoConnect=true

What would "false" there do differently?

I have BCK-08 BT adapter, which should support A2DP, but either I cannot get it to connect in A2DP-mode, but just HFP/HSP, or then either either device or settings has something wrong.

When I play audio channel test file; left-, right- and surround-channels are heard from both speakers, but center-channel only on left speaker - so not even simple left-right-stereo works.

I've also tried to disconnect and reconnect from phone end, but still no stereo.

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