Messages in this thread | | | Date | Tue, 12 May 2020 13:38:01 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 2/3] ASoC: fsl_esai: Add support for imx8qm |
| |
On Tue, May 12, 2020 at 10:48:41AM +0800, Shengjiu Wang wrote: > On Wed, May 6, 2020 at 10:33 AM Shengjiu Wang <shengjiu.wang@gmail.com> wrote: > > On Fri, May 1, 2020 at 6:23 PM Mark Brown <broonie@kernel.org> wrote:
> > > > EDMA requires the period size to be multiple of maxburst. Otherwise > > > > the remaining bytes are not transferred and thus noise is produced.
> > > If this constraint comes from the DMA controller then normally you'd > > > expect the DMA controller integration to be enforcing this - is there no > > > information in the DMA API that lets us know that this constraint is > > > there?
> > No, I can't find one API for this. > > Do you have a recommendation?
> could you please recommend which DMA API can I use?
Not off-hand, you'd probably need to extend the API to export the information. [unhandled content-type:application/pgp-signature] | |