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  #1  
Old 2nd June 2007, 11:16 AM
YevgenyEfter Offline
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Fedora 7 on Lenovo N100

Hello!

I have installed Fedora 7 on a Lenovo N100 Laptop, and I can't get my sound card work.

Maybe anyone knows how to make it work?



Thanks in advance!
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  #2  
Old 2nd June 2007, 12:31 PM
w4Rp Offline
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I have same problem with N100 0768-BNG using Realtek ALC861VD codec. The bug is also reported here: https://bugtrack.alsa-project.org/al...ew.php?id=2725 (use guest login). I think the only way to solve this problem is to recompile ALSA from source with this patch: https://bugtrack.alsa-project.org/al...=1955&type=bug
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  #3  
Old 2nd June 2007, 01:22 PM
YevgenyEfter Offline
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Can you tell me how can I recompile ALSA and how can I use the patch?



Thanks!
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  #4  
Old 2nd June 2007, 03:01 PM
w4Rp Offline
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0. Before you start
run
Code:
aplay -l
output must contain ALC861VD Analog, just for sure you using same sound card codec in your N100 laptop, otherwise don't follow this guide

1. Download files
ftp://ftp.alsa-project.org/pub/drive....14rc4.tar.bz2
realtek6.tar.gz https://bugtrack.alsa-project.org/al...ew.php?id=2725 (use guest login)

2. Install packages
gcc
kernel headers for your's kernel, for kernel version use uname -r, example kernel-devel-2.6.21-1.3194.fc7.i686

3. Unpack files from step 1
unpack alsa driver source
unpack realtek6.tar.gz

4. Replace patch
replace file from alsa kernel source /alsa-kernel/pci/hda/patch_realtek.c with patch_realtek.c from realtek6.tar.gz archive

5. Compile
go to directory with alsa driver and run
Code:
./configure --with-cards=hda-intel
then run in the same directory
Code:
make
6. Install
in the same directory run as root
Code:
make install
7. Reboot
reboot your machine or shutdown X server and run as root
Code:
/etc/init.d/alsasound restart
8. Enjoy working sound

This works for me. I tried this today with F7 live CD on my N100.
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  #5  
Old 2nd June 2007, 06:04 PM
YevgenyEfter Offline
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What about the ALSA drivers that are in the kernel? Do I have to compile the kernel without them first?
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  #6  
Old 2nd June 2007, 06:17 PM
YevgenyEfter Offline
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It doesn't work for me... I still have no sound... It looks like it plays music, but there is no sound...

Last edited by YevgenyEfter; 2nd June 2007 at 06:27 PM.
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  #7  
Old 2nd June 2007, 06:39 PM
w4Rp Offline
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Maybe you did something wrong. Don't forget to remove every alsa module parameters like "model=laptop-eapd" etc. if you tried them before. Also check volume levels. Simple i think this just must works Compiling own kernel or anything else is unnecessary. This guide is complete for new clean F7 installation.

Last edited by w4Rp; 2nd June 2007 at 06:46 PM.
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  #8  
Old 2nd June 2007, 07:11 PM
w4Rp Offline
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Also internal modem must be enabled in bios setup to get sound working.
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  #9  
Old 2nd June 2007, 08:35 PM
YevgenyEfter Offline
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But in order to configure the ALSA drivers I need the kernel source, no?

And about the headers, how do I install them using yum?
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  #10  
Old 2nd June 2007, 08:43 PM
w4Rp Offline
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To compile kernel modules you need only kernel-devel-* package and gcc compiler of course. I'ts the step 2 in my guide. Check if you get any errors while configure, make, or make install actions. I repeat the guide is complete and if you follow all steps you can get sound working.
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  #11  
Old 2nd June 2007, 09:04 PM
YevgenyEfter Offline
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I am sorry if I sound stupid, but what is the command I can use in order to install them?
yum install kernel-headers?
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  #12  
Old 2nd June 2007, 09:15 PM
w4Rp Offline
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It's complicated to write exact command because the package name depends on your kernel version and architecture. For example I,m using latest F7 kernel for i686 architecture so package name to install for me is kernel-devel-2.6.21-1.3194.fc7.i686. You can get kernel version and architecture by command uname -r and then search kernel-devel* package where * means your kernel version and architecture. I reccomend to install this from some GUI package tool.

Last edited by w4Rp; 2nd June 2007 at 09:23 PM.
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  #13  
Old 2nd June 2007, 09:27 PM
YevgenyEfter Offline
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You're just great!!! I have done a mistake before, and now everything works great!!!

Thank you very much!!!

By the way, do you know why I can't record using a microphone? I can head what I say, but I can't record it...

But thanks again!
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  #14  
Old 2nd June 2007, 11:41 PM
w4Rp Offline
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No problem. Microphone and recording works for me. Maybe just select Mic as capture source and don't forget there are two microphones (integrated and external).
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  #15  
Old 3rd June 2007, 06:11 PM
YevgenyEfter Offline
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You are right! Now, sound works great on my laptop!

Thank you very much!
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