static int acpi_thermal_get_info(struct acpi_thermal *tz)
{
int result = 0;
if (!tz)
return -EINVAL;
/* Get trip points [_CRT, _PSV, etc.] (required) */
result = acpi_thermal_get_trip_points(tz);
if (result)
return result;
/* Get temperature [_TMP] (required) */
result = acpi_thermal_get_temperature(tz);
if (result)
return result;
/* Set the cooling mode [_SCP] to active cooling (default) */
result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
if (!result)
tz->flags.cooling_mode = 1;
/* Get default polling frequency [_TZP] (optional) */
if (tzp)
tz->polling_frequency = tzp;
else
acpi_thermal_get_polling_frequency(tz);
return 0;
}
static int
acpi_thermal_get_info (
struct acpi_thermal *tz)
{
int result = 0;
ACPI_FUNCTION_TRACE("acpi_thermal_get_info");
if (!tz)
return_VALUE(-EINVAL);
/* Get temperature [_TMP] (required) */
result = acpi_thermal_get_temperature(tz);
if (result)
return_VALUE(result);
/* Get trip points [_CRT, _PSV, etc.] (required) */
result = acpi_thermal_get_trip_points(tz);
if (result)
return_VALUE(result);
/* Set the cooling mode [_SCP] to active cooling (default) */
result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
if (!result)
tz->flags.cooling_mode = 1;
else {
/* Oh,we have not _SCP method.
Generally show cooling_mode by _ACx, _PSV,spec 12.2*/
tz->flags.cooling_mode = 0;
if ( tz->trips.active[0].flags.valid && tz->trips.passive.flags.valid ) {
if ( tz->trips.passive.temperature > tz->trips.active[0].temperature )
tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
else
tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
} else if ( !tz->trips.active[0].flags.valid && tz->trips.passive.flags.valid ) {
tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
} else if ( tz->trips.active[0].flags.valid && !tz->trips.passive.flags.valid ) {
tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
} else {
/* _ACx and _PSV are optional, but _CRT is required */
tz->cooling_mode = ACPI_THERMAL_MODE_CRITICAL;
}
}
/* Get default polling frequency [_TZP] (optional) */
acpi_thermal_get_polling_frequency(tz);
/* Get devices in this thermal zone [_TZD] (optional) */
result = acpi_thermal_get_devices(tz);
if (!result)
tz->flags.devices = 1;
return_VALUE(0);
}
static int
acpi_thermal_get_info (
struct acpi_thermal *tz)
{
int result = 0;
ACPI_FUNCTION_TRACE("acpi_thermal_get_info");
if (!tz)
return_VALUE(-EINVAL);
/* Get temperature [_TMP] (required) */
result = acpi_thermal_get_temperature(tz);
if (result)
return_VALUE(result);
/* Set the cooling mode [_SCP] to active cooling (default) */
result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
if (!result)
tz->flags.cooling_mode = 1;
/* Get trip points [_CRT, _PSV, etc.] (required) */
result = acpi_thermal_get_trip_points(tz);
if (result)
return_VALUE(result);
/* Get default polling frequency [_TZP] (optional) */
if (tzp)
tz->polling_frequency = tzp;
else
acpi_thermal_get_polling_frequency(tz);
/* Get devices in this thermal zone [_TZD] (optional) */
result = acpi_thermal_get_devices(tz);
if (!result)
tz->flags.devices = 1;
return_VALUE(0);
}
static void
acpi_thermal_notify (
acpi_handle handle,
u32 event,
void *data)
{
struct acpi_thermal *tz = (struct acpi_thermal *) data;
struct acpi_device *device = NULL;
ACPI_FUNCTION_TRACE("acpi_thermal_notify");
if (!tz)
return_VOID;
if (acpi_bus_get_device(tz->handle, &device))
return_VOID;
switch (event) {
case ACPI_THERMAL_NOTIFY_TEMPERATURE:
acpi_thermal_check(tz);
break;
case ACPI_THERMAL_NOTIFY_THRESHOLDS:
acpi_thermal_get_trip_points(tz);
acpi_thermal_check(tz);
acpi_bus_generate_event(device, event, 0);
break;
case ACPI_THERMAL_NOTIFY_DEVICES:
if (tz->flags.devices)
acpi_thermal_get_devices(tz);
acpi_bus_generate_event(device, event, 0);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
break;
}
return_VOID;
}
