snd-bt-sco and Motorola HS801 success

Hi all,

I just wanted to report success using snd-bt-sco with my Motorola HS801 headset. I am able to play and record sound through the headset.

The only minor glitch seems to be the volume control. I can change the volume with the buttons on the headset, but using alsamixer has no effect. Moreover, alsamixer shows both the "Master" and "Mic" controls in the "playback" view, and no controls in the "capture" view.

Thanks for the nice work!

Marcus

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Marcus,

I added your model to the docs.

IIRC, btsco (the daemon) prints out what AT commands are being send and received during volume changes. What does it print when you try to use alsamixer?

I can't try alsamixer (my setup isn't working after a kernel change), but in the past I've had no trouble using gnome-volume-control to change the volume from the computer side.

Brad

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Here's the output, with some comments:

# btsco 00:0b:2e:21:9e:1c 
Device is 2:0 
Voice setting: 0x0060 
RFCOMM channel 1 connected 
speaker volume: 7 mic volume: 1 
recieved AT+CCWA=1 
recieved AT+VGS=9 
Sending up speaker change 9 
    <here the headset button is pressed> 
recieved AT+CKPD=200 
opened hwdep 
    <few seconds delay here> 
connected SCO channel 
Setting sco fd 
Done setting sco fd 
    <pressed "volume up" on headset> 
recieved AT+VGS=10 
Sending up speaker change 10 
    <pressed "volume down" on headset> 
recieved AT+VGS=9 
Sending up speaker change 9 
    <pressed "volume down" on headset> 
recieved AT+VGS=8 
Sending up speaker change 8 
    <changing volumes using alsamixer> 
speaker volume: 9 mic volume: 1 
speaker volume: 8 mic volume: 1 
speaker volume: 8 mic volume: 5 
speaker volume: 8 mic volume: 6 
speaker volume: 8 mic volume: 5 
speaker volume: 8 mic volume: 6 
speaker volume: 6 mic volume: 6 
    <pressed "volume up" on headset> 
    <apparently the alsamixer setting is now forgotten> 
recieved AT+VGS=9 
Sending up speaker change 9 
    <pressed headset button again to hang up> 
recieved AT+CKPD=200 
disconnected SCO channel 

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