tree f78c682c4086591aae46c9c2d715dce40302f684
parent a8b7a6626d7605a795b33317cd730b7d76da3d0a
author Henrique de Moraes Holschuh <hmh@hmh.eng.br> 1164376032 -0200
committer Len Brown <len.brown@intel.com> 1165473520 -0500

ACPI: ibm-acpi: extend fan status functions

This patch fixes fan_read to return correct values for all fan access
modes.  It also implements some fan access mode status output that was
missing, and normalizes the proc fan abi to return consistent data across
all fan read/write modes.

Userspace ABI changes and extensions:
	1. Return status: enable/disable for *all* modes
	   (this actually improves compatibility with userspace utils!)
	2. Return level: auto and level: disengaged for EC 2f access mode
	3. Return level: <number> for EC 0x2f access mode
	4. Return level 0 as well as "disabled" in level-aware modes

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>