[alsa-devel] how to use mcbsp for i2s?

Jarkko Nikula jhnikula at gmail.com
Thu Apr 2 18:56:53 CEST 2009

On Thu, 2 Apr 2009 13:20:36 +0300
Jarkko Nikula <jhnikula at gmail.com> wrote:

> > Grrr... cannot find the hack, I'm too keen to delete temporary
> > hacks. I was
> pretty sure I had
> it somewhere.
> Basically it was adding necessary pin multiplexing configuration into
> arch/arm/plat-omap/include/mach/mux.h and arch/arm/mach-omap2/mux.c
> and then using omap_cfg_reg(...) in omap3beagle.c to change pin
> configuration from
> GPIOs to McBPS[1 | 3] pins.
Yes, I found it. Hack attached :-)

Now I don't have here Beagle to test but hack still applies on top of
linux-omap. Then you will need CONFIG_OMAP_MUX=y and following lines
into omap3beagle.c or board-omap3beagle.c.


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