struct kobject *holders_dir;
};
-struct ro_sensor_template {
- char *label;
- ssize_t (*show)(struct device *dev,
- struct device_attribute *devattr,
- char *buf);
- int index;
-};
-
-struct rw_sensor_template {
+struct sensor_template {
char *label;
ssize_t (*show)(struct device *dev,
struct device_attribute *devattr,
return sprintf(buf, "%s\n", ACPI_POWER_METER_NAME);
}
+#define RO_SENSOR_TEMPLATE(_label, _show, _index) \
+ { \
+ .label = _label, \
+ .show = _show, \
+ .index = _index, \
+ }
+
+#define RW_SENSOR_TEMPLATE(_label, _show, _set, _index) \
+ { \
+ .label = _label, \
+ .show = _show, \
+ .set = _set, \
+ .index = _index, \
+ }
+
/* Sensor descriptions. If you add a sensor, update NUM_SENSORS above! */
-static struct ro_sensor_template meter_ro_attrs[] = {
-{POWER_AVERAGE_NAME, show_power, 0},
-{"power1_accuracy", show_accuracy, 0},
-{"power1_average_interval_min", show_val, 0},
-{"power1_average_interval_max", show_val, 1},
-{"power1_is_battery", show_val, 5},
-{NULL, NULL, 0},
+static struct sensor_template meter_attrs[] = {
+ RO_SENSOR_TEMPLATE(POWER_AVERAGE_NAME, show_power, 0),
+ RO_SENSOR_TEMPLATE("power1_accuracy", show_accuracy, 0),
+ RO_SENSOR_TEMPLATE("power1_average_interval_min", show_val, 0),
+ RO_SENSOR_TEMPLATE("power1_average_interval_max", show_val, 1),
+ RO_SENSOR_TEMPLATE("power1_is_battery", show_val, 5),
+ RW_SENSOR_TEMPLATE(POWER_AVG_INTERVAL_NAME, show_avg_interval,
+ set_avg_interval, 0),
+ {},
};
-static struct rw_sensor_template meter_rw_attrs[] = {
-{POWER_AVG_INTERVAL_NAME, show_avg_interval, set_avg_interval, 0},
-{NULL, NULL, NULL, 0},
+static struct sensor_template misc_cap_attrs[] = {
+ RO_SENSOR_TEMPLATE("power1_cap_min", show_val, 2),
+ RO_SENSOR_TEMPLATE("power1_cap_max", show_val, 3),
+ RO_SENSOR_TEMPLATE("power1_cap_hyst", show_val, 4),
+ RO_SENSOR_TEMPLATE(POWER_ALARM_NAME, show_val, 6),
+ {},
};
-static struct ro_sensor_template misc_cap_attrs[] = {
-{"power1_cap_min", show_val, 2},
-{"power1_cap_max", show_val, 3},
-{"power1_cap_hyst", show_val, 4},
-{POWER_ALARM_NAME, show_val, 6},
-{NULL, NULL, 0},
+static struct sensor_template ro_cap_attrs[] = {
+ RO_SENSOR_TEMPLATE(POWER_CAP_NAME, show_cap, 0),
+ {},
};
-static struct ro_sensor_template ro_cap_attrs[] = {
-{POWER_CAP_NAME, show_cap, 0},
-{NULL, NULL, 0},
+static struct sensor_template rw_cap_attrs[] = {
+ RW_SENSOR_TEMPLATE(POWER_CAP_NAME, show_cap, set_cap, 0),
+ {},
};
-static struct rw_sensor_template rw_cap_attrs[] = {
-{POWER_CAP_NAME, show_cap, set_cap, 0},
-{NULL, NULL, NULL, 0},
+static struct sensor_template trip_attrs[] = {
+ RW_SENSOR_TEMPLATE("power1_average_min", show_val, set_trip, 7),
+ RW_SENSOR_TEMPLATE("power1_average_max", show_val, set_trip, 8),
+ {},
};
-static struct rw_sensor_template trip_attrs[] = {
-{"power1_average_min", show_val, set_trip, 7},
-{"power1_average_max", show_val, set_trip, 8},
-{NULL, NULL, NULL, 0},
+static struct sensor_template misc_attrs[] = {
+ RO_SENSOR_TEMPLATE("name", show_name, 0),
+ RO_SENSOR_TEMPLATE("power1_model_number", show_str, 0),
+ RO_SENSOR_TEMPLATE("power1_oem_info", show_str, 2),
+ RO_SENSOR_TEMPLATE("power1_serial_number", show_str, 1),
+ {},
};
-static struct ro_sensor_template misc_attrs[] = {
-{"name", show_name, 0},
-{"power1_model_number", show_str, 0},
-{"power1_oem_info", show_str, 2},
-{"power1_serial_number", show_str, 1},
-{NULL, NULL, 0},
-};
+#undef RO_SENSOR_TEMPLATE
+#undef RW_SENSOR_TEMPLATE
/* Read power domain data */
static void remove_domain_devices(struct acpi_power_meter_resource *resource)
}
/* Registration and deregistration */
-static int register_ro_attrs(struct acpi_power_meter_resource *resource,
- struct ro_sensor_template *ro)
+static int register_attrs(struct acpi_power_meter_resource *resource,
+ struct sensor_template *attrs)
{
struct device *dev = &resource->acpi_dev->dev;
struct sensor_device_attribute *sensors =
&resource->sensors[resource->num_sensors];
int res = 0;
- while (ro->label) {
- sensors->dev_attr.attr.name = ro->label;
+ while (attrs->label) {
+ sensors->dev_attr.attr.name = attrs->label;
sensors->dev_attr.attr.mode = S_IRUGO;
- sensors->dev_attr.show = ro->show;
- sensors->index = ro->index;
+ sensors->dev_attr.show = attrs->show;
+ sensors->index = attrs->index;
- sysfs_attr_init(&sensors->dev_attr.attr);
- res = device_create_file(dev, &sensors->dev_attr);
- if (res) {
- sensors->dev_attr.attr.name = NULL;
- goto error;
+ if (attrs->set) {
+ sensors->dev_attr.attr.mode |= S_IWUSR;
+ sensors->dev_attr.store = attrs->set;
}
- sensors++;
- resource->num_sensors++;
- ro++;
- }
-
-error:
- return res;
-}
-
-static int register_rw_attrs(struct acpi_power_meter_resource *resource,
- struct rw_sensor_template *rw)
-{
- struct device *dev = &resource->acpi_dev->dev;
- struct sensor_device_attribute *sensors =
- &resource->sensors[resource->num_sensors];
- int res = 0;
-
- while (rw->label) {
- sensors->dev_attr.attr.name = rw->label;
- sensors->dev_attr.attr.mode = S_IRUGO | S_IWUSR;
- sensors->dev_attr.show = rw->show;
- sensors->dev_attr.store = rw->set;
- sensors->index = rw->index;
sysfs_attr_init(&sensors->dev_attr.attr);
res = device_create_file(dev, &sensors->dev_attr);
}
sensors++;
resource->num_sensors++;
- rw++;
+ attrs++;
}
error:
return res;
if (resource->caps.flags & POWER_METER_CAN_MEASURE) {
- res = register_ro_attrs(resource, meter_ro_attrs);
- if (res)
- goto error;
- res = register_rw_attrs(resource, meter_rw_attrs);
+ res = register_attrs(resource, meter_attrs);
if (res)
goto error;
}
goto skip_unsafe_cap;
}
- if (resource->caps.configurable_cap) {
- res = register_rw_attrs(resource, rw_cap_attrs);
- if (res)
- goto error;
- } else {
- res = register_ro_attrs(resource, ro_cap_attrs);
- if (res)
- goto error;
- }
- res = register_ro_attrs(resource, misc_cap_attrs);
+ if (resource->caps.configurable_cap)
+ res = register_attrs(resource, rw_cap_attrs);
+ else
+ res = register_attrs(resource, ro_cap_attrs);
+
+ if (res)
+ goto error;
+
+ res = register_attrs(resource, misc_cap_attrs);
if (res)
goto error;
}
-skip_unsafe_cap:
+skip_unsafe_cap:
if (resource->caps.flags & POWER_METER_CAN_TRIP) {
- res = register_rw_attrs(resource, trip_attrs);
+ res = register_attrs(resource, trip_attrs);
if (res)
goto error;
}
- res = register_ro_attrs(resource, misc_attrs);
+ res = register_attrs(resource, misc_attrs);
if (res)
goto error;
projects / ~andy / linux / blobdiff