My laptop is a Toshiba Satellite A135-S4477
I had previously posted about getting sound to work… the problem was that when you plugged headphones the laptop speakers would still be on and if you muted them the headphones muted… Today I dug around and found a simple solution that really works…
add the follwing line to the bottom of /etc/modprobe.d/alsa-base.conf
options snd-hda-intel model=lenovo