On 30.07.2013 05:47, Raman Gupta wrote: > I have an Intel motherboard sound card, and twoHDMI audio sound cards > provided by each of my ATI video cards: > > # lspci | grep -i audio > 00:1b.0 Audio device: Intel Corporation Patsburg High Definition Audio > Controller (rev 05) > 01:00.1 Audio device: ATI Technologies Inc Device aaa0 > 02:00.1 Audio device: ATI Technologies Inc Device aaa0 > > I don't have anything plugged into the ATI HDMI ports so I want to > disable those devices, as I get annoying error messages in KDE at > startup time and periodically in /var/log/messages. For example: > > [ 13.018758] ALSA sound/pci/hda/hda_eld.c:334 HDMI: ELD buf size is > 0, force 128 > [ 13.018772] ALSA sound/pci/hda/hda_eld.c:351 HDMI: invalid ELD data > byte 0 > > I cannot blacklist the module, because the "snd_hda_intel" module that > drives the Intel sound card on my motherboardalso recognizes the ATI > cards, according to lspci-v. > > The following solution does workperfectly: > > # echo 1 > /sys/devices/pci0000:00/0000:00:02.0/0000:01:00.1/remove > # echo 1 > /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.1/remove > > In the old days, the above two lines would go into rc.local. What is > the systemd way to not create those devices? Or is there an alternate > approach to turn off the HDMI sound cards on the ATI cards? > > Regards, > Raman > $ modinfo radeon | grep audio parm: audio:Audio enable (1 = enable) (int) poma -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org