>>12) ALSA Audio L/R Channel Interchanges fix
>>http://linux.omap.com/pipermail/linux-omap-open-source/2005-December/005971.html

Can you check if this is really applied? Using most recent git I can
still apply it ;-)
There were two similiar patches: One for OSS (is applied, number 7 of
the list) and this one for ALSA.