Description of problem:
I installed Fedora 11 on a Apple MacBook Aluminum. I found that audio did not work immediately after install.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Install Fedora 11 (no PulseAudio, just ALSA) on a MacBook Aluminum
Audio output does not work.
Audio should work out of the box.
Adding the following to /etc/modprobe.d/sound.conf fixes audio:
options snd_hda_intel model=mbp3
Of note, alsamixer does try to manipulate the device before implementing the above fix. However, changing the audio levels does not work. Also, alsamixer displays several more audio properties after the above options are provided to the driver. For example, without the above options, the 2/6 channel toggle is not displayed within alsamixer. After adding the above options, alsamixer displays the 2/6 channel toggle.
Of note, sound worked immediately after installing Fedora 12.
With regard to comment #1 and Fedora 12, I eventually found that my headphone jack did not provide audio. When I plug in headphones, sound continues to play from the laptop's speakers and not from the headphones. See Bug #570974.
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