From: Ira W. Snyder Date: Wed, 23 Sep 2009 20:59:43 +0000 (+0200) Subject: hwmon: (ltc4215) Clear faults at startup X-Git-Tag: v2.6.32-rc1~151^2~1 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=b6b9d69602aec2c869dd2ca730aab2cc58473c2d;p=~shefty%2Frdma-dev.git hwmon: (ltc4215) Clear faults at startup When power is applied to the ltc4215 chip it sometimes reports spurious faults. The faults are not yet exposed via sysfs, however it may be useful for userspace to read the fault register directly with the i2cget command. Clear the fault register when the driver is installed so userspace doesn't have to worry about spurious fault indications. Signed-off-by: Ira W. Snyder Signed-off-by: Jean Delvare --- diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c index 9386e2a3921..6c9a04136e0 100644 --- a/drivers/hwmon/ltc4215.c +++ b/drivers/hwmon/ltc4215.c @@ -259,7 +259,7 @@ static int ltc4215_probe(struct i2c_client *client, mutex_init(&data->update_lock); /* Initialize the LTC4215 chip */ - /* TODO */ + i2c_smbus_write_byte_data(client, LTC4215_FAULT, 0x00); /* Register sysfs hooks */ ret = sysfs_create_group(&client->dev.kobj, <c4215_group);