[alsa-devel] envy24control can't set sample rate on Delta 1010

John Rigg aldev at sound-man.co.uk
Mon Apr 21 18:58:56 CEST 2008

On Mon, Apr 21, 2008 at 05:54:14PM +0200, Takashi Iwai wrote:
> At Mon, 21 Apr 2008 01:42:06 +0100,
> John Rigg wrote:
> > 
> > envy24control in alsa-tools-1.0.16 cannot set sample rate
> > on the M-Audio Delta 1010. The Actual Rate window appears to
> > be functioning correctly, as is the "S/PDIF in" button, but
> > none of the internal clock sample rate buttons do anything.
> > Setting the sample rate as a jackd parameter works as normal.
> > 
> > I tried it with 2.6.20 and 2.6.25 kernels. Behaviour was
> > the same on both. I've made a bug report (0003915).
> And which version of alsa-tools works regarding this?
> If we can narrow down the last working version, it'd be relatively
> easy to find the culprit.

Sorry for lack of info (I was testing this at 1am).
So far I've tested alsa-tools-1.0.13 to 1.0.16 and
all those exhibit this behaviour. I'm using 1.0.13
on my production system, but I hadn't noticed it because
I don't usually use envy24control to change sample rates.
It was brought to my attention by several users who have emailed
me about it. 

It's quite an awkward problem because once the
clock source gets set to S/PDIF it can no longer be reset to
internal clock without using alsactl or re-initialising the card(s)
by cold rebooting with alsa init.d scripts disabled.

The problem obviously appeared before 1.0.13. It might
be a few days before I get time to test earlier versions,
but I'll try to find the last working version.


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