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authorMax Krummenacher <max.krummenacher@toradex.com>2013-06-24 14:34:51 +0200
committerMax Krummenacher <max.krummenacher@toradex.com>2013-06-24 14:34:51 +0200
commitf2af41568dfd412e16a2f1258363872a07e25a96 (patch)
tree5a3a65a7602246fa48271434461833db11079e6c
parent929a1f9d4fb33f6d08cf916943bf13ae7cf3732e (diff)
colibri_t30: set local critical temperatur to 95°C
If the local critical temperature is reached the power is unconditionally switched off. At 70°C ambient the default of 85°C can be reached. So increase the limit in the hwmon chip to 95°C.
-rw-r--r--arch/arm/mach-tegra/board-colibri_t30.c4
-rw-r--r--arch/arm/mach-tegra/board-colibri_t30.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-colibri_t30.c b/arch/arm/mach-tegra/board-colibri_t30.c
index fcbae03f62b9..52c048d7ba98 100644
--- a/arch/arm/mach-tegra/board-colibri_t30.c
+++ b/arch/arm/mach-tegra/board-colibri_t30.c
@@ -1033,6 +1033,10 @@ static void lm95245_probe_callback(struct device *dev)
IRQF_TRIGGER_LOW, "THERMD_ALERT", NULL))
pr_err("%s: unable to register THERMD_ALERT interrupt\n",
__func__);
+
+ //initalize the local temp limit
+ if(dev)
+ lm95245_set_local_shared_os__critical_limit(dev, TCRIT_LOCAL);
}
static void colibri_t30_thermd_alert_init(void)
diff --git a/arch/arm/mach-tegra/board-colibri_t30.h b/arch/arm/mach-tegra/board-colibri_t30.h
index babd6943add3..224549a897cd 100644
--- a/arch/arm/mach-tegra/board-colibri_t30.h
+++ b/arch/arm/mach-tegra/board-colibri_t30.h
@@ -85,6 +85,7 @@
#define STMPE811_IRQ_END (STMPE811_IRQ_BASE + 22)
#define TDIODE_OFFSET (10000) /* in millicelsius */
+#define TCRIT_LOCAL 95000 /* board temperature which switches off PMIC in millicelsius*/
/* External peripheral act as gpio */
/* TPS6591x GPIOs */