Hello, The hda_intel driver is only marginally usable on my laptop. I described the problems in detail here: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/488103 In brief, one has to choose between two sets of problems: 1) model=mbp3: broken speakers or 2) model=mb5: working speakers, but noisy headphone output Neither option provides headphone jack sense. Neither option is able to access the headset-type microphone available under MacOS through 3-band jacks like this: http://img.tomshardware.com/us/2007/07/19/how_good_is_apples_wired_iphone_headset/iphone_sized_plug_and_larger_plug.jpg (MacOS automatically switches from the in-computer mic to the the headset mic -- I haven't been able to get any signal from it despite trying all permutations of alsamixer's capture settings) I have attached the output of alsa-info.sh. I'd be happy to help test patches, or other debugging support. Thanks a lot! ~a
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