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hwmon: (thmc50) Fix alarms clearing

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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@wp.pl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
This commit is contained in:
Krzysztof Helt 2007-09-09 17:35:34 +02:00 committed by Mark M. Hoffman
parent c7f1f7166a
commit bba891c24a
1 changed files with 4 additions and 4 deletions
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8
drivers/hwmon/thmc50.c
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@ -47,10 +47,10 @@ I2C_CLIENT_MODULE_PARM(adm1022_temp3, "List of adapter,address pairs "
#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 };
@ -441,7 +441,7 @@ static struct thmc50_data *thmc50_update_device(struct device *dev)
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;
}