Thanks, Jim. Indeed, I placed that line in the wrong file. After correctly placing the line in /etc/modprobe.d/options, I now have audio in the headphones and the right speaker. No audio is played from the left speaker, but this is described in Bug #337314.
-- [Jaunty] No sound output with MacBook 5.1 https://bugs.launchpad.net/bugs/337947 You received this bug notification because you are a member of Mactel Support, which is the registrant for Mactel Support. Status in ALSA driver: New Status in Mactel Support: New Status in “linux” source package in Ubuntu: New Bug description: There is no sound output for MacBook 5.1 for Jaunty (Ubuntu 9.04) as of Alpha 5. _______________________________________________ Mailing list: https://launchpad.net/~mactel-support Post to : [email protected] Unsubscribe : https://launchpad.net/~mactel-support More help : https://help.launchpad.net/ListHelp

