[alsa-devel] No line out on latest Mac Mini

[Jérémy Lal]

Hi,
i have an imac 12,2 (2011) and i had to change GPIO with hda_analyzer to get some sound
on line out.

Jérémy.


On 22/10/2011 14:14, John Frankish wrote:
> I posted this to the alsa-user list a couple of weeks ago but did not get an answer
> 
> I've been trying to get analog line out to work to headphones or 
> powered speakers with the latest Mac Mini, but so far the best I've 
> managed to achieve is to get the internal speaker to work. Line out
> works with the Mac OS.
> 
> I've also tried the HDA analyser mentioned here:
> 
> http://www.alsa-project.org/main/index.php/HDA_Analyzer
> 
> but no matter what I do, there is no way to get sound from the line out
> jack to headphones or powered speakers.
> 
> I'm guessing I need one or more obscure options to load the module snd-hda-intel,
> but nothing I've tried so far has worked. The kernel documentation does not
> mention the mac mini 5,3 the Intel Corporation 6 Series/C200 Series Chipset nor the
> combination of Cirrus Logic CS4206 and Intel CougarPoint HDMI - does anybody know
> where I might find more details?
> 
> Details below:
> ----------
> DMI: Apple Inc. Macmini5,3/Mac-7BA5B2794B2CDB12, BIOS
> MM51.88Z.0075.B00.1106271442 06/27/2011
> Alsa modules from linux-3.0.3
> Alsa-1.0.23
> 
> $ lspci -knn
> 00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series 
> Chipset Family High Definition Audio Controller [8086:1c20] (rev 05)
>         Subsystem: Intel Corporation Device [8086:7270]
>         Kernel driver in use: HDA Intel
>         Kernel modules: snd-hda-intel
> 
> $ aplay -l
> **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel 
> PCH], device 0: Cirrus Analog [Cirrus Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 1: Cirrus Digital [Cirrus Digital]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> 
> $ head -n 1 /proc/asound/card0/codec*
> ==> /proc/asound/card0/codec#0 <==
> Codec: Cirrus Logic CS4206
> ==> /proc/asound/card0/codec#3 <==
> Codec: Intel CougarPoint HDMI
> 
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