From: Krzysztof Helt <krzysztof.h1 at wp.pl>
This patch make use the interrupt status register instead
of the interrupt status mirror register. Reading of the mirror
register does not clear alarms.
Signed-off-by: Krzysztof Helt <krzysztof.h1 at wp.pl>
---
This is just register change (THMC50_REG_INTR_MIRROR
to THMC50_REG_INTR).
diff -urp linux-sparc/drivers/hwmon/thmc50.c linux-2.6.23/drivers/hwmon/thmc50.c
--- linux-sparc/drivers/hwmon/thmc50.c 2007-09-09 17:29:09.647462670 +0200
+++ linux-2.6.23/drivers/hwmon/thmc50.c 2007-09-09 17:25:51.996199166 +0200
@@ -47,10 +47,10 @@ I2C_CLIENT_MODULE_PARM(adm1022_temp3, "L
#define THMC50_REG_DIE_CODE 0x3F
#define THMC50_REG_ANALOG_OUT 0x19
/*
- * We use mirror status register for reading alarms
- * so ACPI can use the primary status register.
+ * The mirror status register cannot be used as
+ * reading it does not clear alarms.
*/
-#define THMC50_REG_INTR_MIRROR 0x4C
+#define THMC50_REG_INTR 0x41
const static u8 THMC50_REG_TEMP[] = { 0x27, 0x26, 0x20 };
const static u8 THMC50_REG_TEMP_MIN[] = { 0x3A, 0x38, 0x2C };
@@ -459,7 +459,7 @@ static struct thmc50_data *thmc50_update
data->analog_out =
i2c_smbus_read_byte_data(client, THMC50_REG_ANALOG_OUT);
data->alarms =
- i2c_smbus_read_byte_data(client, THMC50_REG_INTR_MIRROR);
+ i2c_smbus_read_byte_data(client, THMC50_REG_INTR);
data->last_updated = jiffies;
data->valid = 1;
}
