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[Bug 337314] Re: Left speaker doesn't work, controls mixed up on Apple MacBook[Pro] (5, 1)

 

Yes, there's definitly something fishy about this..

Using just your patch, it will not autodetect without reboot, even if I
unload all alsa modules. So I used printk to extract the values it tries
to match, patch, recompile, install, reload, and then it works. But now
I noticed that without this modification, normal reloading also works
after it was rebooted once. Whats that about?

Codec: Realtek ALC889A
Address: 0
Function Id: 0x1
Vendor Id: 0x10ec0885
Subsystem Id: 0x106b4600
Revision Id: 0x100103


** Attachment added: "asound.codec"
   http://launchpadlibrarian.net/38186888/asound.codec

-- 
Left speaker doesn't work, controls mixed up on Apple MacBook[Pro] (5,1)
https://bugs.launchpad.net/bugs/337314
You received this bug notification because you are a member of Mactel
Support, which is the registrant for Mactel Support.

Status in ALSA driver: Unknown
Status in Mactel Support: Confirmed
Status in “alsa-driver” package in Ubuntu: New

Bug description:
Reporting this bug for another user...

In MacBook and MacBookPro 5,1 (aluminium, late 2008) the soundcard works out of the box only with headphones, and to turn speakers on it is necessary to manually set the 6 channels. In that case, sound is heard both on headphones and right and center speaker; the left speaker doesn't work yet.

This bug is confirmed by several users, see the additional information attached.

della@raker:~$ lspci | grep -i audio
00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
della@raker:~$ grep Codec /proc/asound/card0/codec#*
Codec: Realtek ALC889A





References