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hwmon: (adt7470) Add ADT7470_PWM_MAX macro

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Instead of a magic 255, use a macro to refer to it.

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Link: https://lore.kernel.org/r/20260805-adt7470_thermalzone-v6-2-5605a5f95467@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Luiz Angelo Daros de Luca 2026-08-05 10:15:18 -03:00 committed by Guenter Roeck
parent 7d9d401d98
commit 75eae6e1fa
1 changed files with 4 additions and 3 deletions
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7
drivers/hwmon/adt7470.c
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@ -100,6 +100,7 @@ static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END };
#define ADT7470_REG_FAN_MAX(x) (ADT7470_REG_FAN_MAX_BASE_ADDR + ((x) * 2))
#define ADT7470_PWM_COUNT 4
#define ADT7470_PWM_MAX 255
#define ADT7470_REG_PWM(x) (ADT7470_REG_PWM_BASE_ADDR + (x))
#define ADT7470_REG_PWM_MAX(x) (ADT7470_REG_PWM_MAX_BASE_ADDR + (x))
#define ADT7470_REG_PWM_MIN(x) (ADT7470_REG_PWM_MIN_BASE_ADDR + (x))
@ -850,7 +851,7 @@ static int adt7470_pwm_write(struct device *dev, u32 attr, int channel, long val
switch (attr) {
case hwmon_pwm_input:
val = clamp_val(val, 0, 255);
val = clamp_val(val, 0, ADT7470_PWM_MAX);
mutex_lock(&data->lock);
err = regmap_write(data->regmap, ADT7470_REG_PWM(channel),
val);
@ -910,7 +911,7 @@ static ssize_t pwm_max_store(struct device *dev,
if (kstrtol(buf, 10, &temp))
return -EINVAL;
temp = clamp_val(temp, 0, 255);
temp = clamp_val(temp, 0, ADT7470_PWM_MAX);
mutex_lock(&data->lock);
data->pwm_max[attr->index] = temp;
@ -945,7 +946,7 @@ static ssize_t pwm_min_store(struct device *dev,
if (kstrtol(buf, 10, &temp))
return -EINVAL;
temp = clamp_val(temp, 0, 255);
temp = clamp_val(temp, 0, ADT7470_PWM_MAX);
mutex_lock(&data->lock);
data->pwm_min[attr->index] = temp;