[alsa-devel] [PATCH v3 2/9] ARM: OMAP: mcbsp: Enable FIFO use for OMAP2430

Jarkko Nikula jarkko.nikula at bitmer.com
Fri Aug 17 15:14:36 CEST 2012

On 08/17/2012 04:07 PM, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi at ti.com> [120816 06:41]:
>> On OMAP2430 all McBSP ports have 128 word long buffer, enable the use of
>> the FIFO for the audio stack.
> Is this the case also for 2420? I thought some only had a FIFO at
> one port?
IRCC (I don't have specs), nope. Only 2430 (as noted by Peter) and
onwards have FIFO.

But that's true that FIFO sizes differ between the ports. E.g. only
ports 2 and 3 have 1024+128 deep FIFOs in OMAP3.


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