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MacBook Pro Intel: sound doesn't work! [PATCH SOLVED]
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DevOne
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PostPosted: Tue Feb 02, 2010 11:20 am    Post subject: MacBook Pro Intel: sound doesn't work! [PATCH SOLVED] Reply with quote

Hi folks,
I've a problem with sound hardware...
in detail, alsaconf knows my card and configures it and tip me to unmute mixer...ok i've done it!
KMix shows me all information and if I play sound all work fine, but no sound goes in output...
iMac and macbook-pro have nVidia controller...


Thanks for help
Gianni
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Last edited by DevOne on Sat Mar 06, 2010 6:45 pm; edited 3 times in total
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DaggyStyle
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PostPosted: Tue Feb 02, 2010 12:10 pm    Post subject: Reply with quote

check the loopback analog, play with them it solved a similar problem to me.
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PostPosted: Thu Feb 04, 2010 2:45 pm    Post subject: Reply with quote

DaggyStyle wrote:
check the loopback analog, play with them it solved a similar problem to me.


Where can i find loopback analog or which kind of program can I use?

Thanks
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DaggyStyle
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PostPosted: Thu Feb 04, 2010 3:06 pm    Post subject: Reply with quote

alsa mixer usualy shows it
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PostPosted: Fri Feb 05, 2010 1:48 pm    Post subject: Reply with quote

Nothing to do...
I'm not able to find loopback through alsamixer...
I've also modify ALSA in the kernel to do as module, and all goes ok, but no sound!
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PostPosted: Sat Feb 06, 2010 6:01 am    Post subject: Reply with quote

Code:
$ alsamixer -V all

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PostPosted: Sun Feb 07, 2010 1:39 pm    Post subject: Reply with quote

OmSai wrote:
Code:
$ alsamixer -V all


Thank you...but no loopback interface was shown!
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DaggyStyle
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PostPosted: Sun Feb 07, 2010 2:09 pm    Post subject: Reply with quote

have you set all meters to max?
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PostPosted: Sun Feb 07, 2010 3:26 pm    Post subject: Reply with quote

On my MacBook Pro the system showed everything sound related as fine but didn't play any sound. I solved it by using the alsa-driver-9999 and throwing also out of the kernel.

It maybe could help enabling sound on your IMac. :?:
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PostPosted: Sun Feb 07, 2010 3:35 pm    Post subject: Reply with quote

You probably have to pass model option to snd-hda-intel module. In example, something like this:

Code:

#echo "options snd-hda-intel model=model_name" >> /etc/modprobe.d/alsa.conf


You will have to consult HD-Audio-models.txt for exact model_name, but for start you could try with imac-intel or imac-intel-20 model name.
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PostPosted: Sun Feb 07, 2010 4:15 pm    Post subject: Reply with quote

Hi,
this is my sound's dmesg:
Code:

HDA Intel 0000:00:08.0: PCI INT A -> Link[LAZA] -> GSI 22 (level, low) -> IRQ 22
HDA Intel 0000:00:08.0: setting latency timer to 64
ACPI: PCI Interrupt Link [LGPU] enabled at IRQ 21
nvidia 0000:03:00.0: PCI INT A -> Link[LGPU] -> GSI 21 (level, low) -> IRQ 21
nvidia 0000:03:00.0: setting latency timer to 64
NVRM: loading NVIDIA UNIX x86_64 Kernel Module  185.18.36  Fri Aug 14 17:35:21 PDT 2009
hda_codec: Unknown model for ALC889A, trying auto-probe from BIOS...


EDIT: for the last row, I've resolved it adding in alsa.conf: options snd-hda-intel model=imac24...Altough kmix now displays Nvidia controller, i don't hear any sound!

And this, aplay -l :
Code:

**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC889A Analog [ALC889A Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC889A Digital [ALC889A Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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PostPosted: Tue Feb 09, 2010 1:49 pm    Post subject: Reply with quote

No ideas about it?

:cry:
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PostPosted: Tue Feb 09, 2010 2:20 pm    Post subject: Reply with quote

DevOne wrote:
No ideas about it?

:cry:


have you checked the speakers meter? try the gentoo 10 live dvd to see if it is working
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PostPosted: Tue Feb 09, 2010 4:16 pm    Post subject: Reply with quote

DaggyStyle wrote:
DevOne wrote:
No ideas about it?

:cry:


have you checked the speakers meter? try the gentoo 10 live dvd to see if it is working


With gentoo 10 live, the computer goes freeze when xdm was executed!
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DaggyStyle
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PostPosted: Tue Feb 09, 2010 5:55 pm    Post subject: Reply with quote

DevOne wrote:
DaggyStyle wrote:
DevOne wrote:
No ideas about it?

:cry:


have you checked the speakers meter? try the gentoo 10 live dvd to see if it is working


With gentoo 10 live, the computer goes freeze when xdm was executed!

strange, try kernel parameters.
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PostPosted: Thu Feb 11, 2010 2:15 pm    Post subject: Reply with quote

DaggyStyle wrote:
DevOne wrote:
DaggyStyle wrote:
DevOne wrote:
No ideas about it?

:cry:


have you checked the speakers meter? try the gentoo 10 live dvd to see if it is working


With gentoo 10 live, the computer goes freeze when xdm was executed!

strange, try kernel parameters.


Already done....nothing!

it's impossible that sound doesn't work... :cry:
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PostPosted: Wed Feb 17, 2010 2:58 pm    Post subject: Reply with quote

Anybody with suggestions?
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PostPosted: Wed Feb 17, 2010 3:28 pm    Post subject: Reply with quote

try another distribution's livecd, if it works, digg into that live cd's information.
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PostPosted: Wed Feb 17, 2010 11:35 pm    Post subject: Reply with quote

Hi DevOne - sadly, DaggyStyle might have the easiest suggestion, but the thing that's odd is that your dmesg shows HDA Intel hardware and Nvidia hardware. My previous gen core2 mini uses the HDA intel sound card:

Code:

[jba@toro][06:28:09][~]> aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


And uses the HDA Intel driver:

Code:

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
        Subsystem: SigmaTel Device 7680
        Kernel driver in use: HDA Intel


Maybe it's worth looking into what that subsystem is doing in the new macs? I'm interested as i'm thinking of upgrading to a c2d mini in order to go 64bit.
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PostPosted: Thu Feb 18, 2010 8:56 am    Post subject: Reply with quote

jba wrote:

Maybe it's worth looking into what that subsystem is doing in the new macs? I'm interested as i'm thinking of upgrading to a c2d mini in order to go 64bit.


Hi...currently i've 2 mac: iMac24 and macbook-pro (among other things, i'm also an iphone developer)
On iMac24 all goes ok except for ALSA that is successfully installed, but i'm not able to hear sound
On macbook-pro, disaster!
Nothing work, alsacard is not found at boot time, USB pendrive gives problem on partition type, bluetooth seems found, but it'doesn't work!
wifi problem with configuration (i've used b43 module kernel, b43-fwcutter, but nothing)
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DaggyStyle
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PostPosted: Thu Feb 18, 2010 10:29 am    Post subject: Reply with quote

DevOne wrote:
jba wrote:

Maybe it's worth looking into what that subsystem is doing in the new macs? I'm interested as i'm thinking of upgrading to a c2d mini in order to go 64bit.


Hi...currently i've 2 mac: iMac24 and macbook-pro (among other things, i'm also an iphone developer)
On iMac24 all goes ok except for ALSA that is successfully installed, but i'm not able to hear sound
On macbook-pro, disaster!
Nothing work, alsacard is not found at boot time, USB pendrive gives problem on partition type, bluetooth seems found, but it'doesn't work!
wifi problem with configuration (i've used b43 module kernel, b43-fwcutter, but nothing)

try broadcom-sta
maybe this will help: http://www.penlug.org/twiki/bin/view/Main/LinuxHardwareInfoAppleiMac24
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PostPosted: Thu Feb 18, 2010 1:44 pm    Post subject: Reply with quote

DaggyStyle wrote:
DevOne wrote:
jba wrote:

Maybe it's worth looking into what that subsystem is doing in the new macs? I'm interested as i'm thinking of upgrading to a c2d mini in order to go 64bit.


Hi...currently i've 2 mac: iMac24 and macbook-pro (among other things, i'm also an iphone developer)
On iMac24 all goes ok except for ALSA that is successfully installed, but i'm not able to hear sound
On macbook-pro, disaster!
Nothing work, alsacard is not found at boot time, USB pendrive gives problem on partition type, bluetooth seems found, but it'doesn't work!
wifi problem with configuration (i've used b43 module kernel, b43-fwcutter, but nothing)

try broadcom-sta
maybe this will help: http://www.penlug.org/twiki/bin/view/Main/LinuxHardwareInfoAppleiMac24


Hi, thank you...
i've opened another thread about macbook-pro, so i can't write here :wink:
Anyway, sound problem persist on iMac24!
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PostPosted: Sun Feb 21, 2010 3:31 pm    Post subject: Reply with quote

Ok guys...
now, as in object, same problem on iMac and macbook-pro!

Any suggestion??
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PostPosted: Sun Feb 21, 2010 3:54 pm    Post subject: Reply with quote

DevOne wrote:
Ok guys...
now, as in object, same problem on iMac and macbook-pro!

Any suggestion??


got to alsa mailing list.
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PostPosted: Mon Feb 22, 2010 9:27 am    Post subject: Reply with quote

Uhmm....
I wrote this:
Code:
cat /proc/asound/card0/codec#* | grep Codec


And it shows me that:
Code:

Codec: Generic 1013 ID 4206


That above on macbook-pro
Now, i'm not an expert, but that above seems a little bit strange becouse of my Nvidia sound card!
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Last edited by DevOne on Mon Feb 22, 2010 7:53 pm; edited 1 time in total
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