Re: [PATCH] es1968: fix jitter on some maestro cards

[Rene Herman]

On 14-04-08 12:22, Takashi Iwai wrote:

> At Tue, 01 Apr 2008 00:24:43 +0200,
> Rene Herman wrote:
> > On 30-03-08 00:49, Andreas Mueller wrote:
> >
> > > This patch suppresses jitter on several Maestro cards in stereo mode
> > > (ALSA of course).
> > >
> > > The patch is also incorporated in the *BSD drivers where I "ported" it from.
> > > I am barely used to driver-development so please take a look (esp. the channel
> > > parameters), nevertheless it completely works for me.
> > >
> > > Without this patch most of the stereo audio gets out of sync and really
> > > distorted (oss-emulation with mplayer at 48000khz worked somehow).
> > >
> > > CCed to those listed in the .c file.
> > Added the alsa-devel list (and re-attached the patch). My TerraTec DMX (ESS 
> > Canyon3D, ES1970MS-3D) doesn't need this but doesn't seem to suffer from it 
> > either. Otherwise no idea about this.
>
> This should depend on the sample rate you use.  48k would work without
> the patch.

Just to be clear archive-wise -- on this Canyon3D, so does 44100.

> Anyway, I applied it to ALSA tree now.  Thanks.

Rene.

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