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Description of problem: I have a M-AUDIO Revolution 5 sound card which has the ICE1724 chipset. When I open the Gnome Volume applet it correctly identifies the card as M Audio Revolution5-1 (Alsa Mixer). The PCM slider control is for the front speakers, the PCM Rear slider is for the Rear speakers. I get no sound from the Rear speakers. There is no mechanism within the controls to duplicate front sound to the rear speakers as is done with other sound cards. I did some searching and found: http://alsa.opensrc.org/Ice1724 which says "With the newest 2.6.9 kernel for the first time even the Center, LFE, Front and Rear channels work as expected - thanks to the developers ;)" that doesn't appear to be the case. I then found this posting: http://ubuntuforums.org/showpost.php?p=2387139&postcount=25 which explains how to create a ".asoundrc" file to allow one to get sound from the rear speakers. Shouldn't this be enabled by default? Is this a bug or a feature? Version-Release number of selected component (if applicable): alsa-lib-1.0.14-0.4.rc3.fc7 alsa-utils-1.0.14-0.4.rc2.fc7 alsa-lib-1.0.14-0.4.rc3.fc7 alsa-tools-1.0.12-4.fc7 How reproducible: Use GNOME applet to try to get sound from rear speaker. Steps to Reproduce: 1. Open GNOME applet to adjust speaker sound. 2. Try to adjust rear speaker volume. Actual results: No sound from rear speakers. Expected results: Sound from rear speakers. Additional info:
Yes, this configuration can be added to /etc/alsa/cards/*.conf. But please report it to upstream (www.alsa-project.org). They're authors of ALSA (linux sound system) and this change should be made for all distros. I'm not going to add it to Fedora only.