sDMA on i.mx7d

Alexandre Belloni alexandre.belloni at free-electrons.com
Thu Feb 16 09:08:28 PST 2017


On 16/02/2017 at 17:47:19 +0100, Lucas Stach wrote:
> Am Donnerstag, den 16.02.2017, 17:40 +0100 schrieb Alexandre Belloni:
> > On 16/02/2017 at 13:36:28 -0200, Fabio Estevam wrote:
> > > Hi Alexandre,
> > > 
> > > On Thu, Feb 16, 2017 at 8:42 AM, Alexandre Belloni
> > > <alexandre.belloni at free-electrons.com> wrote:
> > > 
> > > > I confirm it is the culprit.
> > > 
> > > Does this mean that PCM3168s codec works fine on imx7 using SAI on
> > > 4.9.x plus the revert?
> 
> And there is already a fix for this in 4.10:
> 85f57752b33c (dmaengine: imx-sdma - correct the dma transfer residue
> calculation)
> 
> This fixes audio output on i.MX6 and should probably be sent to -stable.
> Can you see if applying this patch gets rid of the issues on i.MX7?
> 

It does too, thanks!
It is probably worth having it on 4.9.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com



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