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/Linux-v4.19/drivers/macintosh/
Dwindfarm_smu_controls.c259 struct device_node *smu, *fans, *fan; in smu_controls_init() local
269 for (fans = NULL; (fans = of_get_next_child(smu, fans)) != NULL;) in smu_controls_init()
270 if (!strcmp(fans->name, "rpm-fans") || in smu_controls_init()
271 of_device_is_compatible(fans, "smu-rpm-fans")) in smu_controls_init()
274 fans && (fan = of_get_next_child(fans, fan)) != NULL;) { in smu_controls_init()
285 of_node_put(fans); in smu_controls_init()
289 for (fans = NULL; (fans = of_get_next_child(smu, fans)) != NULL;) in smu_controls_init()
290 if (!strcmp(fans->name, "pwm-fans")) in smu_controls_init()
293 fans && (fan = of_get_next_child(fans, fan)) != NULL;) { in smu_controls_init()
304 of_node_put(fans); in smu_controls_init()
/Linux-v4.19/Documentation/hwmon/
Demc6w20122 measures the speed of up to five fans, and controls the speed of
23 multiple DC fans using three Pulse Width Modulator (PWM) outputs. Note
24 that it is possible to control more than three fans by connecting two
25 fans to one PWM output. The EMC6W201 will be available in a 36-pin
Dlm8591 TACH signal from the fans. The ADM1027 can be configured to measure the
98 To smooth the response of fans to changes in temperature, the LM85 has an
127 fans in a PC or embedded system. The EMC6D101, available in a 24-pin SSOP
173 * temp#_auto_temp_off - temperature below which fans should be off or spinning very low.
174 * temp#_auto_temp_min - temperature over which fans start to spin.
175 * temp#_auto_temp_max - temperature when fans spin at full speed.
176 * temp#_auto_temp_crit - temperature when all fans will run full speed.
189 the behaviour of fans. Write 1 to let fans spinning at
220 The number of pulses-per-rev of the fans can be set, Tach monitoring
Dmax3179018 The MAX31790 controls the speeds of up to six fans using six independent
20 through the I2C interface. The outputs drive "4-wire" fans directly,
Dpc8742720 monitoring capabilities. It can monitor up to 18 voltages, 8 fans and
21 6 temperature sensors. Only the fans and temperatures are supported at
Dit87144 have support for 2 additional fans. The additional fans are supported by the
149 counters for fans 1 to 3. This is better (no more fan clock divider mess) but
161 IT8728F. It only supports 3 fans, 16-bit fan mode, and the full speed mode
165 to IT8728F. It only supports 16-bit fan mode. Both chips support up to 6 fans.
167 The IT8790E supports up to 3 fans. 16-bit fan mode is always enabled.
214 (temperatures, voltages and fans.)
Ducd9000116 created only for enabled fans.
117 Note that even though UCD90910 supports up to 10 fans,
118 only up to four fans are currently supported.
Dthmc5070 so it stops fans even if the value 0 into the ANALOG_OUT register does not.
73 in the temp3 mode), five temperature readings and two fans.
Dsch562717 capabilities. They can monitor up to 5 voltages, 4 fans and 8 temperatures.
Dasc762165 individual fans on each that would benefit from individual fan control.
69 fan types. We can also support pulse-stretched PWM so that 3-wire fans
96 The aSC7621 has tachometer inputs to measure fan speed on up to four fans.
112 - 3 PWM fan speed control outputs for 2-, 3- or 4-wire fans and up to 4 fan
Dw83781d160 One user has reported problems with fans stopping
169 - One user reports fans stopping under high server load.
304 - 3 fans, identical to the W83781D
307 - 2 fans only, 1350000/RPM/div
388 One remarkable thing is that the fans would only have two or three
393 fans run at low speed, and 0x7F or 0x80 to make them run at full speed.
404 0x80 - seems to turn fans off after some time(1-2 minutes)... might be
409 0x82 - slightly "on-ner" than off, but my fans do not get to move. I can
Dftsteutates18 8 fans. It also contains an integrated watchdog which is currently
Dsch563624 The Fujitsu Theseus can monitor up to 5 voltages, 8 fans and 16
Dvt121144 temp2), 1 dedicated voltage (in5) and 2 fans. Additionally, the chip
52 tested very well (due to the fact that my EPIA M10000 doesn't have the fans
162 fans. Writing a 2 to any of the two pwm[1-2]_enable sysfs nodes will put the
Dadt7475114 pwm[1-*]_stall_disable sysfs attribute. A value of 0 means the fans will shut
115 off. A value of 1 means the fans will run at auto_point1_pwm.
Duserspace-tools5 voltages, fans speed). They are often connected through an I2C bus, but some
Dmax3178536 second rotor of fans 1-4
/Linux-v4.19/Documentation/devicetree/bindings/hwmon/
Daspeed-pwm-tacho.txt6 There can be upto 8 fans supported. Each fan can have one PWM output and
32 representing a fan. If there are 8 fans each fan can have one PWM port and
Dmax31785.txt19 fans@52 {
Dmax6650.txt14 allow more fine-grained control of slower fans.
/Linux-v4.19/drivers/sbus/char/
Dbbc_i2c.h66 struct list_head fans; member
/Linux-v4.19/Documentation/ABI/testing/
Ddebugfs-ec19 This can influence the way your machine is cooled and fans may
Dsysfs-driver-samsung-laptop9 their fans quiet at all costs. Reading from this file
/Linux-v4.19/drivers/platform/mellanox/
DKconfig24 cables and fans on the wide range Mellanox IB and Ethernet systems.
/Linux-v4.19/drivers/thermal/int340x_thermal/
DKconfig24 turning on the fans.

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