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path: root/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
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Diffstat (limited to 'drivers/thermal/int340x_thermal/int340x_thermal_zone.c')
-rw-r--r--drivers/thermal/int340x_thermal/int340x_thermal_zone.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
index 162e545cc93a..f88b08877025 100644
--- a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
@@ -33,8 +33,17 @@ static int int340x_thermal_get_zone_temp(struct thermal_zone_device *zone,
if (ACPI_FAILURE(status))
return -EIO;
- /* _TMP returns the temperature in tenths of degrees Kelvin */
- *temp = DECI_KELVIN_TO_MILLICELSIUS(tmp);
+ if (d->lpat_table) {
+ int conv_temp;
+
+ conv_temp = acpi_lpat_raw_to_temp(d->lpat_table, (int)tmp);
+ if (conv_temp < 0)
+ return conv_temp;
+
+ *temp = (unsigned long)conv_temp * 10;
+ } else
+ /* _TMP returns the temperature in tenths of degrees Kelvin */
+ *temp = DECI_KELVIN_TO_MILLICELSIUS(tmp);
return 0;
}
@@ -227,6 +236,8 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
int34x_thermal_zone->act_trips[i].id = trip_cnt++;
int34x_thermal_zone->act_trips[i].valid = true;
}
+ int34x_thermal_zone->lpat_table = acpi_lpat_get_conversion_table(
+ adev->handle);
int34x_thermal_zone->zone = thermal_zone_device_register(
acpi_device_bid(adev),
@@ -237,11 +248,13 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
0, 0);
if (IS_ERR(int34x_thermal_zone->zone)) {
ret = PTR_ERR(int34x_thermal_zone->zone);
- goto free_mem;
+ goto free_lpat;
}
return int34x_thermal_zone;
+free_lpat:
+ acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
free_mem:
kfree(int34x_thermal_zone);
return ERR_PTR(ret);
@@ -252,6 +265,7 @@ void int340x_thermal_zone_remove(struct int34x_thermal_zone
*int34x_thermal_zone)
{
thermal_zone_device_unregister(int34x_thermal_zone->zone);
+ acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
kfree(int34x_thermal_zone);
}
EXPORT_SYMBOL_GPL(int340x_thermal_zone_remove);