diff options
Diffstat (limited to 'Documentation/hwmon/sysfs-interface')
| -rw-r--r-- | Documentation/hwmon/sysfs-interface | 70 |
1 files changed, 65 insertions, 5 deletions
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface index 8f63c244f1a..2cc95ad4660 100644 --- a/Documentation/hwmon/sysfs-interface +++ b/Documentation/hwmon/sysfs-interface @@ -139,6 +139,29 @@ in[0-*]_input Voltage input value. thumb: drivers should report the voltage values at the "pins" of the chip. +in[0-*]_average + Average voltage + Unit: millivolt + RO + +in[0-*]_lowest + Historical minimum voltage + Unit: millivolt + RO + +in[0-*]_highest + Historical maximum voltage + Unit: millivolt + RO + +in[0-*]_reset_history + Reset inX_lowest and inX_highest + WO + +in_reset_history + Reset inX_lowest and inX_highest for all sensors + WO + in[0-*]_label Suggested voltage channel label. Text string Should only be created if the driver has hints about what @@ -281,7 +304,7 @@ value (fastest fan speed) wins. temp[1-*]_type Sensor type selection. Integers 1 to 6 RW - 1: PII/Celeron Diode + 1: CPU embedded diode 2: 3904 transistor 3: thermal diode 4: thermistor @@ -304,6 +327,13 @@ temp[1-*]_max_hyst from the max value. RW +temp[1-*]_min_hyst + Temperature hysteresis value for min limit. + Unit: millidegree Celsius + Must be reported as an absolute temperature, NOT a delta + from the min value. + RW + temp[1-*]_input Temperature input value. Unit: millidegree Celsius RO @@ -339,6 +369,13 @@ temp[1-*]_lcrit Temperature critical min value, typically lower than Unit: millidegree Celsius RW +temp[1-*]_lcrit_hyst + Temperature hysteresis value for critical min limit. + Unit: millidegree Celsius + Must be reported as an absolute temperature, NOT a delta + from the critical min value. + RW + temp[1-*]_offset Temperature offset which is added to the temperature reading by the chip. @@ -407,6 +444,29 @@ curr[1-*]_input Current input value Unit: milliampere RO +curr[1-*]_average + Average current use + Unit: milliampere + RO + +curr[1-*]_lowest + Historical minimum current + Unit: milliampere + RO + +curr[1-*]_highest + Historical maximum current + Unit: milliampere + RO + +curr[1-*]_reset_history + Reset currX_lowest and currX_highest + WO + +curr_reset_history + Reset currX_lowest and currX_highest for all sensors + WO + Also see the Alarms section for status flags associated with currents. ********* @@ -676,14 +736,14 @@ add/subtract if it has been divided before the add/subtract. What to do if a value is found to be invalid, depends on the type of the sysfs attribute that is being set. If it is a continuous setting like a tempX_max or inX_max attribute, then the value should be clamped to its -limits using SENSORS_LIMIT(value, min_limit, max_limit). If it is not -continuous like for example a tempX_type, then when an invalid value is -written, -EINVAL should be returned. +limits using clamp_val(value, min_limit, max_limit). If it is not continuous +like for example a tempX_type, then when an invalid value is written, +-EINVAL should be returned. Example1, temp1_max, register is a signed 8 bit value (-128 - 127 degrees): long v = simple_strtol(buf, NULL, 10) / 1000; - v = SENSORS_LIMIT(v, -128, 127); + v = clamp_val(v, -128, 127); /* write v to register */ Example2, fan divider setting, valid values 2, 4 and 8: |