Re: [ANNOUNCE] New Mixer Handling in PA 0.9.16/F12

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On Sat, Aug 01, 2009 at 01:01:44AM -0500, Doug Ledford wrote:

> It's also things like erratic output via PA versus smooth output via
> analog input.  This particular laptop pops and crackles every time the
> PCM starts/stops, while analog signals are much cleaner.

There's a patch in the rawhide kernel that may improve this, depending 
on your codec. You can also disable HDA power saving.

>  And it would be pretty easy to have a warn once dialog that tells 
> users that attempt to adjust the CD in volume that it may not have any 
> effect if the analog input isn't connected to the sound card or if the 
> cd playback software skips the analog input in favor of digital data 
> transfer.  You could even ask users after an adjustment if the 
> adjustment made any difference, and if it didn't, you could remove it 
> from the UI.

We have a solution that we know always works, and it has negligable 
cost. That's a much more straightforward design than one that has to 
attempt to explain to the user that depending on whether or not there's 
a specific piece of wire in their computer they may or may not hear 
something in the CD player.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx

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