path: root/monitor/fan.cpp
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authorMatthew Barth <>2017-12-14 11:14:30 -0600
committerMatthew Barth <>2017-12-14 11:14:30 -0600
commite4338cdb856db2b71f8adf42c50603d816980f8a (patch)
tree4eb0f1e20c93c0b06830cd4932f2002353f67aba /monitor/fan.cpp
parente65f617c6a79eb92c122310f35ddb8a496e729fd (diff)
Decreases allowed based on all groups
For speed decreases to occur, all sensor groups involved with setting a net decrease delta must be below their given t-control low values for the associated zone. This handles the case where one or more sensor groups' temperatures stabilize above their t-control low value, but one or more other sensor groups' temperatures are below their t-control low value which would result in speed decrease requests that could eventually lead to fan speed oscillations. Resolves openbmc/openbmc#2710 Change-Id: I382de5d3f9c3e631a332d49dfcb06e705ff6fc17 Signed-off-by: Matthew Barth <>
Diffstat (limited to 'monitor/fan.cpp')
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