Similar issue on Toshiba T130-15F (HDA Intel, Conexant audio)
Linux Mint 9: internal mic not working. External audio & mic working only with model quirck
Linux Mint 10 RC (x64): internal mic not working. External audio & mic worked out of the box
Tried also Ubuntu 10.04 and 10.10 with same results
Similar issue on Toshiba T130-15F (HDA Intel, Conexant audio)
Linux Mint 9: internal mic not working. External audio & mic working only with model quirck
Linux Mint 10 RC (x64): internal mic not working. External audio & mic worked out of the box
Tried also Ubuntu 10.04 and 10.10 with same results