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authorLen Brown <len.brown@intel.com>2007-08-12 00:12:35 -0400
committerLen Brown <len.brown@intel.com>2007-08-12 00:12:35 -0400
commita70cdc5200b0eb9fc3ef64efb29baac9b2cf2431 (patch)
tree1ae0722744cea5740ecf3141b7b3a4da2411bb19 /kernel/configs.c
parent730ff34de766a6fddee25ac1c32bc49c1a2fd758 (diff)
ACPI: thermal: create "thermal.psv=" to override passive trip points
"thermal.psv=-1" disables passive trip points for all ACPI thermal zones. "thermal.psv=C", where 'C' is degrees Celsius, overrides all existing passive trip points for all ACPI thermal zones. thermal.psv is checked at module load time, and in response to trip-point change events. Note that if the system does not deliver thermal zone temperature change events near the new trip-point, then it will not be noticed. To force your custom trip point to be noticed, you may need to enable polling: eg. thermal.tzp=3000 invokes polling every 5 minutes. Note that once passive thermal throttling is invoked, it has its own internal Thermal Sampling Period (_TSP), that is unrelated to _TZP. WARNING: disabling or raising a thermal trip point may result in increased running temperature and shorter hardware lifetime on some systems. Signed-off-by: Len Brown <len.brown@intel.com>
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