Re: cs4248 / thinkpad 755 / 755c , patch suggestions [PATCH]]

[Ryan Underwood <nemesis-lists@icequake.net>]

Hi Takashi,

On Tue, Jul 08, 2003 at 07:27:06PM +0200, Takashi Iwai wrote:
> > The results are pasted below -- what is strange is that aplay identifies
> > the file as 11025Hz but apparently the OSS driver thinks it is 8000Hz
> > data.
>  
> ah, i understand.  you cannot cat to /dev/dsp in general.
> if you do this, it's supposed to be 8kHz mono samples.

Hmm, limitation of the ad1848 driver, of ALSA OSS emulation, or OSS API?

> > AD1848 goes into D0 for instance, and the suspend function does nothing
> > (since it is not a thinkpad), is the system still in an ok state as long
> > as the card's status is not set to D0 when the card is actually not in
> > D0?  Does that make sense?
> 
> if the chip supports really something the power management, we should
> implement it, too.  but AFAIK, ad1848 itself has no such a control.
> so, the suspend callback is expected just to save the last status so
> that it can be restored in the resume callback.

Ok, will see about doing that in some time.

-- 
Ryan Underwood, <nemesis at icequake.net>, icq=10317253


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