Re: [ibm-acpi-devel] [PATCH 1/2] thinkpad-acpi: forbid the use of HBRV on Lenovo ThinkPads

2009-06-17 Thread Len Brown
applied thanks, Len Brown, Intel Open Source Technology Center -- Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the

[ibm-acpi-devel] [PATCH 1/2] thinkpad-acpi: forbid the use of HBRV on Lenovo ThinkPads

2009-06-17 Thread Henrique de Moraes Holschuh
Forcing thinkpad-acpi to do EC-based brightness control (HBRV) on a X61 has very... interesting effects, instead of doing nothing (since it doesn't have EC-based backlight control), it causes "weirdness" in the fan tachometer readings, for example. This means the EC register that used to be HBRV h