Re: [PATCH 6/9] ALSA: emu10k1: fix PCM playback buffer size constraints

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On Thu, 18 May 2023 09:57:51 +0200,
Oswald Buddenhagen wrote:
> 
> On Wed, May 17, 2023 at 10:25:00PM +0200, Takashi Iwai wrote:
> > On Wed, 17 May 2023 19:42:53 +0200,
> > Oswald Buddenhagen wrote:
> >> 
> >> The period_bytes_min parameter made no sense at all, as it didn't
> >> correlate with any hardware limitation.
> > 
> > Does the device really work with less than 64 bytes period size?
> > I meant not in theory but in practice.
> > 
> somewhat predictably, not.
> 
> > Without any value set,
> > dumb applications may try to set 4 bytes for period size,
> > 
> the "try to" is key here. it will fail, because the frame-based
> constraint will prevent it from doing so.

Ah OK, this should be commented that the lower bound is set in a
different way.


Takashi



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