need root privige to acces the /dev/snd/hwC* sudo hda-verb
hda-verb ~~~~~~~~ hda-verb is a tiny program that allows you to access the HD-audio codec directly. You can execute a raw HD-audio codec verb with this. This program accesses the hwdep device, thus you need to enable the kernel config `CONFIG_SND_HDA_HWDEP=y` beforehand. The hda-verb program takes four arguments: the hwdep device file, the widget NID, the verb and the parameter. When you access to the codec on the slot 2 of the card 0, pass /dev/snd/hwC0D2 to the first argument, typically. (However, the real path name depends on the system.) The second parameter is the widget number-id to access. The third parameter can be either a hex/digit number or a string corresponding to a verb. Similarly, the last parameter is the value to write, or can be a string for the parameter type. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1211920 Title: Low audio output on Vostro 5460 (with Ubuntu pre-loaded) Status in “alsa-driver” package in Ubuntu: Incomplete Bug description: I have been using a Dell Vostro 5460 for a while. It came pre-loaded with Ubuntu 12.04. Also, I could find some customizations in the same. And there's an issue of low audio output that I am facing. I have been using the 12.10 and 13.04 versions currently and the issue affects them too. Also, reportedly Windows users are facing no such issues. Some discussion regarding the same can be found at: http://ubuntuforums.org/showthread.php?t=2152776 http://ubuntuforums.org/showthread.php?t=2159407 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1211920/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
