[alsa-devel] McBSP troubles

Sergey Lapin slapin at ossfans.org
Sat Nov 21 19:17:13 CET 2009

On Sat, Nov 21, 2009 at 06:54:41PM +0300, Sergey Lapin wrote:
> Hi, all!
> I have problems making any sound with current linux-omap master.
> ASoC repository did not change anything either. I use slightly
> modified (removed all GPIOs/jacks and different clock names because we
> use OMAP3 instead of OMAP2 n810 uses)
> sound/soc/omap/n810.c, with McBSP2. Codec is tlv320aic32 and
> it is well supplied with 13 MHz clock, so should work happily.
> Old 2.6.28-omap1 kernel + modifications works well with this,
> but it lacks some fundamental features recently added to mainline and
> linux-omap kernels, so we considered upgrading. Almost all stuff
> on custom board works, except for sound, which I fight for several weeks
> already, so I look for any help with this. I use OMAP3525 SoC.

More experiments show that codec seems to be responsible.
After some tampering with reset GPIO, it finally works.

Sorry for trouble,


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