On Sat, Apr 17, 2010 at 5:37 PM, Florian Echtler <floe@xxxxxxxxxxxxxx> wrote: > Hello everyone, > > I've just bought an Ideapad S10-3t, and most features including ACPI > work fine. However, since neither thinkpad-acpi nor lenovo-sl-laptop > support this device, I've been looking around for some hints on how to > access the embedded controller in order to get the hotkeys working. I'll > post what I've found so far and hope that somebody could give me some > hints as to how to proceed. > > First, I've dumped the DSDT and browsed through it. I've found a _WDT > section, and wmidump shows: Wow, someone actually used that tool ^^ A Quick hint would be to look at https://patchwork.kernel.org/patch/87210/ which is basically a really short example of what a wmi-driver is. Just change the guid, buid/load, push some hotkeys, see dmesg, edit the keymap, build, load, test .. > ABBC0F20-8EA1-11D1-00A0-C90629100000: > object_id: � > notify_id: 80 > reserved: 00 > instance_count: 1 > flags: 0x8 ACPI_WMI_EVENT > ABBC0F40-8EA1-11D1-00A0-C90629100000: > object_id: IO > notify_id: 49 > reserved: 4F > instance_count: 1 > flags: 0x1 ACPI_WMI_EXPENSIVE > 05901221-D566-11D1-B2F0-00A0C9062910: > object_id: AE > notify_id: 41 > reserved: 45 > instance_count: 1 > flags: 0 > > As this laptop also runs some kind of Splashtop instant-on Linux called > Lenovo Quickstart, I've decided to extract the initrd from its kernel > (*) and browse through the modules. Interestingly, I've found a > lenovo_ec.ko: strings shows that it accesses some DSDT elements which > are present on the S10-3t. Would it make sense to disassemble this? You can also try to see if the manufacturer give some sources or ask them to ... (ccing platform-x86) -- Corentin Chary http://xf.iksaif.net -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
