diff options
Diffstat (limited to 'include/linux/hwmon.h')
| -rw-r--r-- | include/linux/hwmon.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index b6a86aa4a9e2..e68334aede4c 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -298,7 +298,8 @@ enum hwmon_pwm_attributes { * Channel number * The function returns the file permissions. * If the return value is 0, no attribute will be created. - * @read: Read callback. Mandatory if readable attributes are present. + * @read: Read callback for data attributes. Mandatory if readable + * data attributes are present. * Parameters are: * @dev: Pointer to hardware monitoring device * @type: Sensor type @@ -307,7 +308,19 @@ enum hwmon_pwm_attributes { * Channel number * @val: Pointer to returned value * The function returns 0 on success or a negative error number. - * @write: Write callback. Mandatory if writeable attributes are present. + * @read_string: + * Read callback for string attributes. Mandatory if string + * attributes are present. + * Parameters are: + * @dev: Pointer to hardware monitoring device + * @type: Sensor type + * @attr: Sensor attribute + * @channel: + * Channel number + * @str: Pointer to returned string + * The function returns 0 on success or a negative error number. + * @write: Write callback for data attributes. Mandatory if writeable + * data attributes are present. * Parameters are: * @dev: Pointer to hardware monitoring device * @type: Sensor type @@ -322,6 +335,8 @@ struct hwmon_ops { u32 attr, int channel); int (*read)(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val); + int (*read_string)(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, char **str); int (*write)(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long val); }; |