From 76ecb4f2d7ea5c3aac8970b9529775316507c6d2 Mon Sep 17 00:00:00 2001
From: "Zhang, Rui" <rui.zhang@intel.com>
Date: Thu, 10 Apr 2008 16:20:23 +0800
Subject: [PATCH] ACPI: update thermal temperature
Fix the problem that thermal_get_temp returns the cached value,
which causes the temperature in generic thermal never updates.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/acpi/thermal.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 5e9641c93fcd..782c2250443e 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -884,10 +884,15 @@ static void acpi_thermal_check(void *data)
static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf)
{
struct acpi_thermal *tz = thermal->devdata;
+ int result;
if (!tz)
return -EINVAL;
+ result = acpi_thermal_get_temperature(tz);
+ if (result)
+ return result;
+
return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(tz->temperature));
}
--
2.34.1