No sound on MacBook (Intel HDA) with 2.6.22-10

[Stefano Rivera]

Binary package hint: linux-source-2.6.22

Sound used to work fine on my MacBook 2007. With the update to 2.6.22-10 (which fixed the really nasty bug 129226), my sound doesn't work any more, at all. I'm running gutsy/amd64.

The mixer has also been drastically reduced down to just 4 controls:
amixer controls
numid=1,iface=MIXER,name='Master Playback Switch'
numid=2,iface=MIXER,name='Master Playback Volume'
numid=3,iface=MIXER,name='PCM Playback Volume'
numid=4,iface=MIXER,name='Digital Capture Volume'

[sk0rp10 (matteo-andreozzi)]

this seems a duplicate of https://bugs.launchpad.net/bugs/134226

[sk0rp10 (matteo-andreozzi)]

it also seems an ALSA bug : http://forums.gentoo.org/viewtopic-p-4183517.html

[Dorian Scholz (dorianscholz)]

Same problem on my Samsung X60p after installing 2.6.22-10.

For me the solution to this whole problem was to compile ALSA from the current snapshot source.
Namely:
alsa-driver-hg20070823
alsa-lib-hg20070823
alsa-utils-hg20070816
I just downloaded these three from
ftp://ftp.suse.com/pub/projects/alsa/snapshot/
compiled and installed the driver with
# ./configure --with-cards=hda-intel,usb-audio
# make install
and the other two with (first lib, then utils)
# ./configure
# make install
rebooted and all was good...
So this solved:
- sound output was very low, only after cranking up all sliders I was able to hear that there actually was sound...
- missing mixer controls, only three were left..
- no sound at all after suspend-resume without reloading snd-hda-intel
But still the internal mic is not working and the internal speakers don't shut up when I plug in a headphone!

Good luck to the rest of you

[Launchpad Janitor (janitor)]

Beginning with the Hardy Heron 8.04 development cycle, all open Ubuntu kernel bugs need to be reported against the "linux" kernel package. We are automatically migrating this bug to the new "linux" package. However, development has already began for the upcoming Intrepid Ibex 8.10 release. It would be helpful if you could test the upcoming release and verify if this is still an issue - http://www.ubuntu.com/testing . If the issue still exists, please update this report by changing the Status of the "linux" task from "Incomplete" to "New". We appreciate your patience and understanding as we make this transition. Thanks!