[alsa-devel] am335x: mcasp in DIT mode

Yegor Yefremov yegorslists at googlemail.com
Tue Mar 5 08:20:22 CET 2013


On Tue, Mar 5, 2013 at 7:33 AM, Bedia, Vaibhav <vaibhav.bedia at ti.com> wrote:
> On Mon, Mar 04, 2013 at 21:26:25, Yegor Yefremov wrote:
>>
>> I've made test with XSSZ == 0x7 (16-bit) and I heard sound. So the
>> initial version could be functional, because only XSSZ was touched.
>> Later came settings for mask and rotation. It seems like rotation is
>> the most important setting for DIT. So the Technical Reference Manual
>> should be thoroughly revised:
>>
>> 1. XSSZ 32-bit is not mandatory
>> 2. rotation for right-aligned data must properly specified (0x6 -
>> 24-bit and not 0x0)
>>
>
> Thanks for the confirmation. I'll try chasing down the h/w guys to
> get this sorted out and also raise a bug on the Technical Reference
> Manual.

Thanks for your help and feedback. Could you please pull both mcasp
patches into http://arago-project.org/git/projects/?p=linux-am33x.git;a=shortlog;h=refs/heads/v3.2-staging
too?

Yegor


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