[alsa-devel] Strange sound of IDT 82hd206xx6 at font port in AC97 mode

[Randy Li]

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于 2014年02月04日 22:16, Raymond Yau 写道:
> 
>>> 
>>> 
>>> Simple mixer control 'Swap Center/LFE',0 Capabilities: pswitch 
>>> pswitch-joined penum Playback channels: Mono Mono: Playback
>>> [off]
>>> 
>>> 
>>> 
>>> Do this switch change the output of center and lfe when you
>>> run
>>> 
>>> speaker-test -c 6 -t wav -D hw:0,0
>>> 
>> I only hear the font left and font right in both side of my 
>> headphone(the one for android)
>>> seem that your are not using latest alsa driver
>> The alsa driver? Well, shall I try the latest kernel?
> 
> Do the channel swap at the orange rack at rear panel ?
> 
> Do you have a speaker to test ?
> 
I am very sorry, I mistake the meanings of the mircophone and speaker.
What I used is the headphone.
For the android headphone
At the front panel, not swap, I heared front left and front right in
both side.
At the rack panel, swaped.
For the normal headphone(speaker)
The font left and font right is switch the side.
> This switch seem lost in the latest alsa driver
>> 
> 
Thank you
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