When asked to clear the intrusion alarm, do so immediately. We have to invalidate the cache to make sure the new status will be read. But we also have to read from the status register once to clear the pending alarm, as writing to CLR_CHS surprising won't clear it automatically. Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx> --- w83795.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/hwmon/w83795.c 2010-11-06 22:37:55.000000000 +0100 +++ b/drivers/hwmon/w83795.c 2010-11-06 22:40:03.000000000 +0100 @@ -755,6 +755,10 @@ store_chassis_clear(struct device *dev, val = w83795_read(client, W83795_REG_CLR_CHASSIS); val |= 0x80; w83795_write(client, W83795_REG_CLR_CHASSIS, val); + + /* Clear status and force cache refresh */ + w83795_read(client, W83795_REG_ALARM(5)); + data->valid = 0; mutex_unlock(&data->update_lock); return count; } -- Jean Delvare _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
