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Searched refs:tachometer (Results 1 – 16 of 16) sorted by relevance

/linux/drivers/watchdog/
H A Dwdt.c84 static int tachometer;
85 module_param(tachometer, int, 0);
86 MODULE_PARM_DESC(tachometer,
224 if (tachometer) { in wdt_get_status()
285 if (tachometer) { in wdt_interrupt()
372 if (tachometer) in wdt_ioctl()
642 tachometer ? "Enabled" : "Disabled"); in wdt_init()
83 static int tachometer; global() variable
H A Dwdt_pci.c85 static int tachometer;
86 module_param(tachometer, int, 0);
87 MODULE_PARM_DESC(tachometer,
260 if (tachometer) { in wdtpci_get_status()
321 if (tachometer) { in wdtpci_interrupt()
409 if (tachometer) in wdtpci_ioctl()
682 tachometer ? "Enabled" : "Disabled"); in wdtpci_init_one()
84 static int tachometer; global() variable
/linux/Documentation/hwmon/
H A Dnct7904.rst24 interface, up to 12 fan tachometer inputs, up to 4 fan control channels
36 fan[1-12]_input Fan tachometer measurements (rpm)
H A Dpwm-fan.rst20 from the sampled interrupts from the tachometer signal within 1 second.
25 fan1_input ro fan tachometer speed in RPM
H A Daspeed-pwm-tacho.rst14 controller supports up to 16 tachometer inputs.
H A Dnpcm750-pwm-fan.rst16 controller supports up to 16 tachometer inputs.
H A Daspeed-g6-pwm-tach.rst15 The controller supports up to 16 tachometer inputs.
H A Dlm93.rst65 tachometer inputs to measure fan speed. Limit and status registers for all
68 (i.e. smart tachometer mode). It also adds measurement and control support
129 If a fan is driven using a low-side drive PWM, the tachometer
130 output of the fan is corrupted. The LM93 includes smart tachometer
131 circuitry that allows an accurate tachometer reading to be
136 fan tachometer with a pwm) to the sysfs file fan<n>_smart_tach. A zero
H A Dlm63.rst58 The datasheet isn't very clear about what the tachometer reading is.
66 The fan speed is measured using a tachometer. Contrary to most chips which
H A Dasc7621.rst73 The tachometer measurement system is flexible and able to adapt to many
103 The aSC7621 has tachometer inputs to measure fan speed on up to four fans.
122 tachometer inputs
H A Dmlxreg-fan.rst42 a PWM output and tachometer inputs.
H A Dmax31760.rst31 function to minimize acoustic fan noise. Two tachometer inputs allow
H A Damc6821.rst46 fan1_input ro tachometer speed
H A Dw83793.rst41 This driver exports 10 voltage sensors, up to 12 fan tachometer inputs,
H A Ddme1737.rst163 to the number of pulses per fan revolution that the connected tachometer
/linux/Documentation/admin-guide/laptops/
H A Dthinkpad-acpi.rst1252 maximum speed, and in some ThinkPads, the tachometer readings go stale
1361 Fan tachometer reading, in RPM. May go stale on certain
1367 Fan tachometer reading, in RPM, for the secondary fan.