Re: [ibm-acpi-devel] [PATCH 2/2] thinkpad-acpi: support the second fan on the X61

2009-06-18 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 2/2] thinkpad-acpi: support the second fan on the X61

2009-06-17 Thread Henrique de Moraes Holschuh
Support reading the tachometer of the auxiliary fan of a X60/X61. It was found out by sheer luck, that bit 0 of EC register 0x31 (formely HBRV) selects which fan is active for tachometer readings through EC 0x84/0x085: 0 for fan1, 1 for fan2. Many thanks to Christoph Klünter, to Whoopie, and to