[Ubuntu 12.04] Unable to use integrated microphone and line-in simultaneously

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http://www.linuxquestions.org – Hi, I'm rather new to Linux, so, please bear with me. I'm using an HP Pavilion DV4T 4200 CTO notebook, and recently installed Ubuntu 12.04 (kernel 3.5.0-34-generic). Everything works great at this point, except an issue with my audio, I don't know if it's hardware or software based. Whenever I plug an audio cable into the line-in, the integrated mic input stops using the mic, and uses the input from the cable instead, resulting in both recording devices pulling from whatever the cable runs to. The mic does the same, in that when there is no cable plugged in, both input devices pull audio from (HowTos)