diff --git a/Documentation/hwmon/hwmon-kernel-api.txt b/Documentation/hwmon/hwmon-kernel-api.txt index f60a29ce7592b7b7fb3d7ff9d8422f7bfa80c4fb..ef9d74947f5c2e46c2498165301b558be5da3135 100644 --- a/Documentation/hwmon/hwmon-kernel-api.txt +++ b/Documentation/hwmon/hwmon-kernel-api.txt @@ -168,6 +168,7 @@ It contains following fields: * hwmon_energy Energy sensor * hwmon_humidity Humidity sensor * hwmon_fan Fan speed sensor + * hwmon_pwm PWM control * config: Pointer to a 0-terminated list of configuration values for each sensor of the given type. Each value is a combination of bit values @@ -230,6 +231,7 @@ HWMON_P_xxxx Power attributes, for use with hwmon_power. HWMON_E_xxxx Energy attributes, for use with hwmon_energy. HWMON_H_xxxx Humidity attributes, for use with hwmon_humidity. HWMON_F_xxxx Fan speed attributes, for use with hwmon_fan. +HWMON_PWM_xxxx PWM control attributes, for use with hwmon_pwm. Driver callback functions ------------------------- diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index 4729d4742ab7f1cffd29e0b26fc1c467728da620..fade170977e806e69ea82d3107380b8c38fbba39 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -386,6 +386,13 @@ static const char * const hwmon_fan_attr_templates[] = { [hwmon_fan_fault] = "fan%d_fault", }; +static const char * const hwmon_pwm_attr_templates[] = { + [hwmon_pwm_input] = "pwm%d", + [hwmon_pwm_enable] = "pwm%d_enable", + [hwmon_pwm_mode] = "pwm%d_mode", + [hwmon_pwm_freq] = "pwm%d_freq", +}; + static const char * const *__templates[] = { [hwmon_chip] = hwmon_chip_attr_templates, [hwmon_temp] = hwmon_temp_attr_templates, @@ -395,6 +402,7 @@ static const char * const *__templates[] = { [hwmon_energy] = hwmon_energy_attr_templates, [hwmon_humidity] = hwmon_humidity_attr_templates, [hwmon_fan] = hwmon_fan_attr_templates, + [hwmon_pwm] = hwmon_pwm_attr_templates, }; static const int __templates_size[] = { @@ -406,6 +414,7 @@ static const int __templates_size[] = { [hwmon_energy] = ARRAY_SIZE(hwmon_energy_attr_templates), [hwmon_humidity] = ARRAY_SIZE(hwmon_humidity_attr_templates), [hwmon_fan] = ARRAY_SIZE(hwmon_fan_attr_templates), + [hwmon_pwm] = ARRAY_SIZE(hwmon_pwm_attr_templates), }; static int hwmon_num_channel_attrs(const struct hwmon_channel_info *info) diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index 74e89d45ff674819bad467c35bc0729196690727..9d2f8bde7d124d9ecc87a94102abd8a463bc8819 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -28,6 +28,7 @@ enum hwmon_sensor_types { hwmon_energy, hwmon_humidity, hwmon_fan, + hwmon_pwm, }; enum hwmon_chip_attributes { @@ -272,6 +273,18 @@ enum hwmon_fan_attributes { #define HWMON_F_MAX_ALARM BIT(hwmon_fan_max_alarm) #define HWMON_F_FAULT BIT(hwmon_fan_fault) +enum hwmon_pwm_attributes { + hwmon_pwm_input, + hwmon_pwm_enable, + hwmon_pwm_mode, + hwmon_pwm_freq, +}; + +#define HWMON_PWM_INPUT BIT(hwmon_pwm_input) +#define HWMON_PWM_ENABLE BIT(hwmon_pwm_enable) +#define HWMON_PWM_MODE BIT(hwmon_pwm_mode) +#define HWMON_PWM_FREQ BIT(hwmon_pwm_freq) + /** * struct hwmon_ops - hwmon device operations * @is_visible: Callback to return attribute visibility. Mandatory.