mactel-support team mailing list archive

[Jeff Mings <jeffm@xxxxxxxx>]

Hmmm....

    Unfortunately, after booting into the Mac OSX partition and running
some updates, the headphone jack no longer works.  At least I still have
good sound from the internal speakers.  After trying unsuccessfully to
use the headphone jack, I tried my Logitech USB headphones.  After
selecting/enabling the relevant settings, they work and sound very good.
Using a USB sound device may be the simplest thing to do for now.

Aloha,

-Jeff Mings

-- 
Headphones don't work for aluminum iMac
https://bugs.launchpad.net/bugs/360866
You received this bug notification because you are a member of Mactel
Support, which is the registrant for Mactel Support.

Status in Mactel Support: New

Bug description:
Hello!
    For the most part, the Jaunty beta is working very nicely on my intel iMac.   This aluminum 20" imac reports 7,1 using dmidecode.  Under 8.04 and 8.1 as well, I have been able to hear lower quality sounds through the built-in speakers using either of these additions to alsa-base.conf:

options snd-hda-intel model=mbp3
or
options snd-hda-intel model=imac24.

Unfortunately, the sound quality seems impaired, and I haven't been able to get the headphones to work at all.  Using the default alsa-base.conf gives very low amplitude headphone output that requires a lot of amplification to hear; no internal speaker output is heard with the default.

    Here's the output from aplay -l:

**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC885 Analog [ALC885 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC885 Digital [ALC885 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

    cat /proc/asound/cards:

 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0x90700000 irq 20

I have also attached the output from dmidecode.

Please let me know if I can furnish any other information or assist in the resolution of this sound problem.

Aloha,
-Jeff Mings