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_write_cooling_mode (
struct file *file,
const char *buffer,
unsigned long count,
void *data)
{
int result = 0;
struct acpi_thermal *tz = (struct acpi_thermal *) data;
char mode_string[12] = {'\0'};
ACPI_FUNCTION_TRACE("acpi_thermal_write_cooling_mode");
if (!tz || (count > sizeof(mode_string) - 1))
return_VALUE(-EINVAL);
if (!tz->flags.cooling_mode)
return_VALUE(-ENODEV);
if (copy_from_user(mode_string, buffer, count))
return_VALUE(-EFAULT);
mode_string[count] = '\0';
result = acpi_thermal_set_cooling_mode(tz,
simple_strtoul(mode_string, NULL, 0));
if (result)
return_VALUE(result);
return_VALUE(count);
}
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);
}
