> I tried to send smbios request with: > > class=4 > selector=11 > arg1=64 > > (0x40 hex = 64 dec) > > And it disabled keyboard backlight on my E6440 machine, then it set > keyboard backlight inactivity timeout to 5 seconds and call returned: > > Res1=-2 > > So this smbios query is not safe :-( as it set some keyboard backlight > default values and return "error not supported". What a shame. My Vostro V131 returns 0 in both Res1 and Res2, as anticipated, without the ill effects you described. > So are you sure that 4, 11, 64 is call correct? Or is above side-effect > of setting keyboard backlight values expected? I second these questions. And if the side effects Pali wrote about are not expected, perhaps there is a well-known subset of devices this call can be whitelisted or blacklisted on? -- Best regards, Michał Kępień -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
