Messages in this thread | | | From | "Lu, Brent" <> | Subject | RE: [PATCH 2/2] ASoC: Intel: Add period size constraint on strago board | Date | Thu, 30 Jul 2020 16:17:24 +0000 |
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> >> > >> Yes or alsa will select 320 as default period size for it. > > > > ok, then that's a miss in your patch1. 320 samples is a multiple of > > 1ms > > typo: is NOT > > > for 48kHz rates. I think it was valid only for the 16kHz VoIP paths > > used in some versions of Android, but that we don't support in the > > upstream code. > > > > To build on Takashi's answer, the real ask here is to require that the > > period be a multiple of 1ms, because that's the fundamental > > design/limitation of firmware. It doesn't matter if it's 48, 96, 192, > > 240, 480, 960 samples.
Yes 320 is for VoIP and the rates in CPU DAI are 8/16KHz. It's a mistake.
Regards, Brent
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