Conexant 5045============= laptop-hpsense Laptop with HP sense (old model laptop) laptop-micsense Laptop with Mic sense (old model fujitsu) laptop-hpmicsense Laptop with HP and Mic senses benq Benq R55E test for testing/debugging purpose, almost all controls can be adjusted. Appearing only when compiled with $CONFIG_SND_DEBUG=yConexant 5047============= laptop Basic Laptop config laptop-hp Laptop config for some HP models (subdevice 30A5) laptop-eapd Laptop config with EAPD support test for testing/debugging purpose, almost all controls can be adjusted. Appearing only when compiled with $CONFIG_SND_DEBUG=yConexant 5051============= laptop Basic Laptop config (default) hp HP Spartan laptop hp-dv6736 HP dv6736 lenovo-x200 Lenovo X200 laptopfirst word is the model option like this: lenovo-x200 would be model=lenovo-x200 in this file:/etc/modprobe.d/alsa-base.conf