using sony vaio cw1s1e, upgraded to ubuntu 10.4 from 9.10

using kernel 2.6.32-26-generic-pae

according to this http://code.google.com/p/vaio-f11-li...ableMicrophone

the mic should be operational now, but it is not


i understand that i am using pulseaudio, but i realize from synaptic that alsa is installed as well.



help!