Re: Sound update

["Nuno Antunes" <nuno.antunes@xxxxxxxxx>]

On 6/14/07, Hasso Tepper <hasso@estpak.ee> wrote:
> During sound configuration problems (which turned out to be usual error
> between keyboard and chair) I updated sound code to the latest one from
> FreeBSD RELENG_6. It didn't help me (obviously), but I realised it
> should help a lot of hda users and also contains the new envy24 driver,
> so I continued work on it.
>
> Only ich is tested briefly by me and hda is tested by josepht from
> #dragonflybsd. So, I'd say that there is good chance it doesn't blow up
> your system ;). More tests (especially hda and envy24) are very welcome.
>
> Don't pay attention to tags etc, this cleanup will follow before commit.
>
> There were two problems I'm not sure though that I handled correctly.
>
> * New experimental polling mode using simple callout_* mechanism uses
>   callout_drain() we don't have in df. I used callout_stop() instead,
>   but as I'm not familiar with this mechanism, I'm not sure at all.
>   Polling isn't enabled by default, so it shouldn't bite testers anyway.
> * AFAICS we don't have uncacheable DMA support, so PCI snooping is used.
>   I'm not sure I handled all related stuff correctly (grep for
>   BUS_DMA_NOCACHE from patch).
>
> The rest of it should be quite straightforward.
>
> http://hasso.linux.ee/stuff/patches/dragonfly/sound-latest-fbsd6.patch.txt
>
>
> --
> Hasso Tepper

This fixes some problems i had trying to control volume on hda. Thanks!

Nuno