Log temperatures on any of the EC thermal alarms. It could be
useful to help tracking down what is happening...
Signed-off-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
---
drivers/platform/x86/thinkpad_acpi.c | 60 +++++++++++++++++++++++++++------
1 files changed, 49 insertions(+), 11 deletions(-)
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 4b96a96..7800232 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -3546,49 +3546,57 @@ static bool hotkey_notify_usrevent(const u32 hkey,
}
}
+static void thermal_dump_all_sensors(void);
+
static bool hotkey_notify_thermal(const u32 hkey,
bool *send_acpi_ev,
bool *ignore_acpi_ev)
{
+ int known = true;
+
/* 0x6000-0x6FFF: thermal alarms */
*send_acpi_ev = true;
*ignore_acpi_ev = false;
switch (hkey) {
+ case TP_HKEY_EV_THM_TABLE_CHANGED:
+ printk(TPACPI_INFO
+ "EC reports that Thermal Table has changed\n");
+ /* recommended action: do nothing, we don't have
+ * Lenovo ATM information */
+ return true;
case TP_HKEY_EV_ALARM_BAT_HOT:
printk(TPACPI_CRIT
"THERMAL ALARM: battery is too hot!\n");
/* recommended action: warn user through gui */
- return true;
+ break;
case TP_HKEY_EV_ALARM_BAT_XHOT:
printk(TPACPI_ALERT
"THERMAL EMERGENCY: battery is extremely hot!\n");
/* recommended action: immediate sleep/hibernate */
- return true;
+ break;
case TP_HKEY_EV_ALARM_SENSOR_HOT:
printk(TPACPI_CRIT
"THERMAL ALARM: "
"a sensor reports something is too hot!\n");
/* recommended action: warn user through gui, that */
/* some internal component is too hot */
- return true;
+ break;
case TP_HKEY_EV_ALARM_SENSOR_XHOT:
printk(TPACPI_ALERT
"THERMAL EMERGENCY: "
"a sensor reports something is extremely hot!\n");
/* recommended action: immediate sleep/hibernate */
- return true;
- case TP_HKEY_EV_THM_TABLE_CHANGED:
- printk(TPACPI_INFO
- "EC reports that Thermal Table has changed\n");
- /* recommended action: do nothing, we don't have
- * Lenovo ATM information */
- return true;
+ break;
default:
printk(TPACPI_ALERT
"THERMAL ALERT: unknown thermal alarm received\n");
- return false;
+ known = false;
}
+
+ thermal_dump_all_sensors();
+
+ return known;
}
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
@@ -5553,6 +5561,36 @@ static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s)
return n;
}
+#if TPACPI_MAX_THERMAL_SENSORS > 16
+#error Please adjust thermal_dump_all_sensors()
+#endif
+
+static void thermal_dump_all_sensors(void)
+{
+ int n, i;
+ struct ibm_thermal_sensors_struct t;
+
+ n = thermal_get_sensors(&t);
+ if (n <= 0)
+ return;
+
+ for (i = 0; i < n; i++)
+ t.temp[i] = t.temp[i] / 1000;
+
+ /* Fill missing sensors with N/A marker */
+ for (i = n; i < TPACPI_MAX_THERMAL_SENSORS; i++)
+ t.temp[i] = -128;
+
+ /* FIXME: it is ugly */
+ printk(TPACPI_NOTICE
+ "temperatures (Celsius): "
+ "%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n",
+ t.temp[0], t.temp[1], t.temp[2], t.temp[3], t.temp[4],
+ t.temp[5], t.temp[6], t.temp[7], t.temp[8], t.temp[9],
+ t.temp[10], t.temp[11], t.temp[12], t.temp[13], t.temp[14],
+ t.temp[15]);
+}
+
/* sysfs temp##_input -------------------------------------------------- */
static ssize_t thermal_temp_input_show(struct device *dev,
--
1.6.5.2
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