Massive sound changes / fix (24/32bit pcm support, new

Mathew Kanner mat at cnd.mcgill.ca
Wed Jul 13 21:30:58 GMT 2005


On Jul 13, Ariff Abdullah wrote:
> 
> 
> On Wed, 13 Jul 2005 16:44:24 -0400
> Mathew Kanner <mat at cnd.mcgill.ca> wrote:
> > On Jul 13, Ariff Abdullah wrote:
> > > On Wed, 13 Jul 2005 22:02:33 +0200
> > > raoul megelas <rmgls at wanadoo.fr> wrote:
> > > > Hello all,
> > > > 
> > > > after applying the patch (July, 8), i notice regular
> > > > pops when adjusting the mixer for any input or output.
> > > > Is it related to the hardware (ich5), or the driver.
> > > > I does not know.  Any idea to help?
> > > > thanks a lot.
> > > >
> > > 
> > > Is the volume level change in a drastic manner or gradually?
> > 
> > 	Sounds like a locking issue.  Writting to the device while
> > another thread is already writting to the device.  I don't know this
> > hardward but have seen this on others.
> > 	--Mat
> > 
> 
> (hey welcome back!)
> 
> I hope so... But one thing about intel ac97 standard itself is stupid
> incompatibility across different vendor. I'm afraid his problem is
> because of incorrect mixer resolution detection. ac97.c (line 629)
> trying its best to calculate *exact* resolution although already
> predefined up there. In any case, we can simply ignore it and carry on
> with predefined value (the detection mechanism should be fine though).
> 
> sigh.. I really hope it's about locking issue, which is easier to
> mitigate as compare with that.

	Hi,
	I'm must be missing something, I think the complaint is noise
when adjusting the volumen, not the granularity of the volume level.
	--Mat


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