On Thu, Jul 30, 2009 at 08:57:21PM +0200, ext Jarkko Nikula wrote:
> On Thu, 30 Jul 2009 15:49:32 +0300
> Eduardo Valentin <eduardo.valentin@xxxxxxxxx> wrote:
>
> > From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
> >
> > Do not allow applications to use the full buffer found on
> > McBSP1,3,4,5. Using the full buffer in threshold mode causes
> > the McBSP buffer to run dry, which can be observed as channels
> > are switching (in reality the channels are shifting).
> >
> ...
> > --- a/arch/arm/mach-omap2/mcbsp.c
> > +++ b/arch/arm/mach-omap2/mcbsp.c
> > @@ -129,7 +129,7 @@ static struct omap_mcbsp_platform_data
> > omap34xx_mcbsp_pdata[] = { .rx_irq =
> > INT_24XX_MCBSP1_IRQ_RX, .tx_irq =
> > INT_24XX_MCBSP1_IRQ_TX, .ops = &omap2_mcbsp_ops,
> > - .buffer_size = 0x7F,
> > + .buffer_size = 0x6F,
> > },
>
> Is it possible that also McBSP2 would require that maximum burst
> transmit size should be 0x10 smaller than size of internal buffer/fifo?
That's already not at full size. There is room for 1024+256 places on mcbsp2.
>
> --
> Jarkko
--
Eduardo Valentin
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