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#11
Hello archer. This is a quick tutorial for who are having problems with swapped surround sound problems using realtek alc892.
By default Linux Kernel/ALSA does not support this chipset correctly. It swaps the rear speakers, the side speakers and the LFE/center speakers as well. In other words, only the front speakers works right.
Using the "automated" realtek official driver installation leaves you to a no-sound and no hardware sound support.
So, how to install the correctly and working drivers:
1. Visit "http://www.realtek.com.tw/downloads/downloadsCheck.aspx?Langid=1&PNid=14&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false" and download the lastest Unix/Linux driver. In this example,
2. Open terminal.
3. Type: "sudo su" and enter root password.
4. Change to the folder where you downloaded the driver (ie: "cd ~/Downloads")
4. Type: "tar -xjf LinuxPkg_XXX.tar.bz2" , where XXX is the version of your downloaded driver (as sown in filename, example: "tar -xjf LinuxPkg_5.17rc13.tar.bz2").
5. Type: "cd realtek-linux-audiopack-YYY" , where YYY is the version of your downloaded driver (as shown if folder name, example: "cd realtek-linux-audiopack-5.17").
6. Type "tar -xjf alsa-driver-ZZZ.tar.bz2" , where ZZZ is the version corresponding to the filename (example: "tar -xjf alsa-driver-1.0.25-5.17rc13.tar.bz2").
7. Type "cd alsa-driver-WWW" , where WWW is the version corresponding to the folder name (example: "cd alsa-driver-1.0.25").
8. Type "./configure --with-cards=hda-intel"
9. Type "make"
10. Type "make install"
11. Reboot
12. Test the audio output. You can do this by right-clicking on you speaker icon and selecting sound preferences -> hardware -> select the desired audio output -> select the desired surround profile (ie: Analog Surround 5.1 Output + Analog Stereo Input) -> Test Speakers. During the installation the sound level can be mutted, check out in the slider if it is not mute!