ANother new thing I noticed: after installing (and fixing) HDAAnalyzer, as shown here, I was able to confirm that asserting GPIO 0 on the adi1984 chip sets the hardware mute feature. http://article.gmane.org/gmane.linux.alsa.devel/59132
Relevant lines from Windows .inf file: HKR,GlobalSettings,GPIO_1, 0x00010001, 0x00000008 ; First bit = 8 for inverted and 0 for normal polarity HKR,GlobalSettings,GPIO_2, 0x00010001, 0x0000000A ; Enable HW Mute control ;GPIO_1 Mute LED commands HKR,InitVerbs,0019, 0x00010001, 0x00171606 ; Disable 1984A GPIO bit 0 HKR,InitVerbs,0020, 0x00010001, 0x00171702 ; Bit set for an Output -- mute, brightness buttons on new HP 6930p laptop https://bugs.launchpad.net/bugs/284319 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
