EDIT: Will your picostick work with one of the modules of v4l stack? Or does it need a external driver outside of the kernel tree?
svn checkout http://openee.googlecode.com/svn/trunk/ openee hg clone http://linuxtv.org/hg/v4l-dvb cp openee/recipes/v4l-dvb/files/v4l-dvb-as102.patch v4l-dvb/v4l-dvb-as102.patch cd v4l-dvb patch -p1 -i v4l-dvb-as102.patch