Hi Paul, Paul Menzel <[email protected]> writes:
> the proprietary BIOS allows to disable/mute sound, when battery status > is low or the power cable is plugged in or out. > > Is it possible to configure that with coreboot or ectool [1]? > > src/ec/lenovo/h8 $ tail -9 h8.h > #define H8_EVENT_BAT0 0x4a > #define H8_EVENT_BAT0_STATE 0x4b > > #define H8_EVENT_BAT1 0x4c > #define H8_EVENT_BAT1_STATE 0x4d > > #define H8_EVENT_FN_F5 0x64 > #define H8_EVENT_FN_F6 0x65 > #endif > src/mainboard/lenovo/t60 $ git grep -i mute > acpi/platform.asl: \_SB.PCI0.LPCB.EC.MUTE(1) there's a bitmap starting at EC register offset 04, to offset 08. I think you want to clear/set some bits in Register 04: Reg 04: 1: Critical Low battery 2: Low battery 3: Suspend 5: Resume 6: Dc state 7: Power off Could be as well implemented as an nvram option in coreboot ;) Regards Sven. -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
