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/linux/drivers/hwmon/
H A Dmax6620.c1 // SPDX-License-Identifier: GPL-2.0-or-later
20 * http://pdfserv.maxim-ic.com/en/ds/MAX6620.pdf
95 /* Minimum and maximum values of the FAN-RPM */
141 u16 tach[4]; member
150 static u16 max6620_fan_rpm_to_tach(u8 div, int rpm) in max6620_fan_rpm_to_tach() argument
152 return (60 * div * MAX6620_CLOCK_FREQ) / (rpm * MAX6620_PULSE_PER_REV); in max6620_fan_rpm_to_tach()
155 static int max6620_fan_tach_to_rpm(u8 div, u16 tach) in max6620_fan_tach_to_rpm() argument
157 return (60 * div * MAX6620_CLOCK_FREQ) / (tach * MAX6620_PULSE_PER_REV); in max6620_fan_tach_to_rpm()
163 struct i2c_client *client = data->client; in max6620_update_device()
167 mutex_lock(&data->update_lock); in max6620_update_device()
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H A Dadm1026.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
19 #include <linux/hwmon-sysfs.h>
20 #include <linux/hwmon-vid.h>
27 static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
28 -1, -1, -1, -1, -1, -1, -1, -1 };
29 static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
30 -1, -1, -1, -1, -1, -1, -1, -1 };
31 static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
32 -1, -1, -1, -1, -1, -1, -1, -1 };
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/linux/Documentation/devicetree/bindings/hwmon/
H A Dfan-common.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/hwmon/fan-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Naresh Solanki <naresh.solanki@9elements.com>
11 - Billy Tsai <billy_tsai@aspeedtech.com>
14 max-rpm:
20 min-rpm:
26 pulses-per-revolution:
32 tach-div:
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