On Tue, 23 Oct 2001, Tim Goetze wrote:
> >from the driver source, it would appear an issue with whether the card
> >is using 16 or 8 bit DMA. if its using 8 bit DMA, you don't get
> >S16_LE, which is one of the two formats Ardour can use (S32_LE being
> >the other)
> >
> >it appears that there is a control for the card that sets the DMA
> >mode; alsactl or amixer or aset should set/display it. its called
> >"16-bit DMA allocation". its not quite clear to me how it works.
>
> [/usr/src/ardour] cat /proc/dma
> 1: SoundBlaster - 8bit
> 4: cascade
> 5: SoundBlaster - 16bit
>
> and in /etc/asound.state i find:
>
> state.awe64 {
> control.1 {
> comment.access 'read write'
> comment.type ENUMERATED
> comment.item.0 Auto
> comment.item.1 Playback
> comment.item.2 Capture
> iface PCM
> name '16-bit DMA Allocation'
> value Auto
> }
> [...]
> }
>
> so shouldn't the driver silently turn 16bit dma on if it wasn't already?
It's the auto value. You can also prefer to have 16-bit playback or
capture.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
SuSE Linux http://www.suse.com
ALSA project http://www.alsa-project.org
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