Hello, On Sun, Jul 18, 2010 at 6:29 PM, Rafael Beraldo <rafaelluisberaldo@xxxxxxxxx> wrote: > 2010/7/15 Alexander Lam <lambchop468@xxxxxxxxx> > >> Sorry for the late response, I've been away. >> I've actually been trying to make my own ALC268 louder, so I've read >> up on hda architecture :P >> (I haven't been successful though) >> >> card0 is a single HDA controller. an HDA controller is basically a dma >> controller that sends audio data to a codec connected to the HDA bus >> on that card. >> In this instance, you have two codecs connected to the same HDA >> controller, which means... >> >> You won't see two sound cards in lspci because both sound codecs are >> on the same pci device. >> >> This may be the fault of your terminal. >> Did you try amixer instead? >> > > Well, amixer doesn't seem to show nothing relevant. Here is the output: > http://pastebin.com/e7Xx7Gce. I don't see anything that I can't control with > alsamixer. Also, everything is set to 100%. > > >> >> Anyway, I highly recommend using reading >> http://www.alsa-project.org/main/index.php/Help_To_Debug_Intel_HDA and >> using the HDA-Analyzer utility mentioned there - you can mess with >> your codecs manually to try to get louder sound. >> > > I've read it quickly... What should I look for? What should I tweak? I don't > know those things very well. Anyway, right know I'm downloading Ubuntu to > see if the sound is louder in this distribution. I haven't tested any OS but > Arch Linux. > In the HDA-Analyzer, you should look for EAPD, which is External Amplifier Power Down. Also, the sliders are essentially directly hooked up to the sound card's hardware mixers. Just play around with it. >> >> -- >> Alexander Lam > > > -- > Rafael Beraldo > http://cabaladada.org > -- Alexander Lam
