On Monday 18 June 2018 12:11:44 Pali Rohár wrote: > On Friday 15 June 2018 20:36:28 Henrique de Moraes Holschuh wrote: > > On Fri, 15 Jun 2018, Pali Rohár wrote: > > > means set. What is SHDA doing, I have not figured out. It does not > > > > Look at the HDA mixer state, SHDA is likely to be directly messing with > > it. > > Now I found following email thread between you and Alex with patch which > configures HDA mixer via that SHDA method: > > https://www.spinics.net/lists/platform-driver-x86/msg03206.html > > But looks like that patch was never included into mainline kernel... > > Seems it would be needed in some part (to not break older Thinkpads) for > that LED support in alsa mixer about which Takashi Iwai wrote. Hi Alex, do you have other details or documentation for your patch "thinkpad_acpi: added BIOS mute interfaces for volume" (linked above) which you sent to platform-driver-x86 list 6 years ago? It calls SHDA thinkpad ACPI function and I would like to know more what is this function doing... -- Pali Rohár pali.rohar@xxxxxxxxx
