You would find them here.
Both of the problems have been solved and this is my way of sharing the experience should somebody experience them again.
The first symptom that I encountered was the sound was muted. When I clicked on the Gnome Mixer (Volume Control) icon, it showed an error:
The volume control did not find any elements and/or devices to control. This means either that you don't have the right GStreamer plugins installed, or that you don't have a sound card configured.
You can remove the volume control from the panel by right-clicking the speaker icon on the panel and selecting "Remove From Panel" from the menu.
I solved this problem through Google Groups:
Get the firmware packageThanks to Gabor Burjan on this one.
and run ./configure && make && make install
After this you should have the following files present:
Then, run rmmod snd_maestro3 and modprobe snd_maestro3 again.