On Mon, Apr 19, 2010 at 4:25 PM, Florian Echtler <floe@xxxxxxxxxxxxxx> wrote: > Am Sonntag, den 18.04.2010, 21:21 +0200 schrieb Corentin Chary: >> On Sat, Apr 17, 2010 at 5:37 PM, Florian Echtler <floe@xxxxxxxxxxxxxx> wrote: >> > 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 .. > Thanks for the pointer - I've given it a quick try and the driver loads > successfully, however, the event doesn't seem to be triggered. I've put > a printk into the eeepc_wmi_notify function, and this is seemingly never > called.. although I believe this may be the right direction, as the GUID > from the eeepc driver (ABBC0F72-8EA1-11D1-00A0-C90629100000) and the one > from my Lenovo (ABBC0F20-8EA1-11D1-00A0-C90629100000) differ only by a > single byte. This is not the first laptop with an asus-like dsdt, some Lenovo are supported by asus-laptop. > Could this event be disabled somehow? Don't know, can you send the result of acpidump ? > Corresponding to the 2nd GUID, there's also a WQIO method in my DSDT > which should return a data block, correct? Yes, and WCIO methods too. Check the code of wmi_query_block in wmi.c and grep it in drivers/platform/x86/ to see how to use it. See: http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx -- 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
