Lines Matching full:fan
4 ACPI Fan Performance States
8 fan (for example, PNP0C0B or INT3404), the ACPI fan driver creates additional
10 These attributes list properties of fan performance states.
37 where each of the "state*" files represents one performance state of the fan
43 * ``control_percent``: The percent value to be used to set the fan speed to a
49 * ``speed_rpm``: Speed of the fan in rotations per minute.
51 * ``noise_level_mdb``: Audible noise emitted by the fan in this state in
54 * ``power_mw``: Power draw of the fan in this state in milliwatts.
64 ACPI Fan Fine Grain Control
67 When _FIF object specifies support for fine grain control, then fan speed
69 _FSL object. User can adjust fan speed using thermal sysfs cooling device.
71 Here use can look at fan performance states for a reference speed (speed_rpm)
82 ACPI Fan Performance Feedback
85 The optional _FST object provides status information for the fan device.
86 This includes field to provide current fan speed in revolutions per minute
87 at which the fan is rotating.