intel-hda Realtek ALC889A on macbook pro 5,2 After kernel 3.4.0-rc2, no sound comes through the headphone jack. Otherwise sound still appears to work with internal speakers. After a git bisect, this appears to be the breaking commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=23d30f28275ddd7fdb87f265e9a440baf4a4cf09 I have tried various "model=" options, but without luck. lspci: 00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1) lspci -n 00:08.0 0403: 10de:0ac0 (rev b1)
Created attachment 73568 [details] alsa-info output with working headphones
Created attachment 73569 [details] alsa-info output with NON-working headphones
My bad, this was a simple overlook. Try the patch below.
Created attachment 73581 [details] Fix patch
Applied patch the patch, and I can confirm that it has solved the issue. Headphone audio now works as expected. Thank you Mr Iwai!
A patch referencing this bug report has been merged in Linux v3.5-rc3: commit 2e8b2b29d1f904353c3e54b342ccb8c66390dab8 Author: Takashi Iwai <tiwai@suse.de> Date: Wed Jun 13 16:47:32 2012 +0200 ALSA: hda - Don't forget to call init verbs added by fixup list