The fan can be stopped by writing "3" to pwm1_enable in sysfs.
Add devicetree property for early initialization of the fan controller
to prevent overheating, for example when resetting the board while the
fan was completely turned off.
Also improve error reporting, I2C failures were ignored while writing
new values.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MAX6650 device detection is unreliable, we got reports of false
positives. We now have many ways to let users instantiate the devices
explicitly, so unreliable detection should be dropped.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: "Hans J. Koch" <hjk@hansjkoch.de>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
This driver supports the Maxim MAX6650 and MAX6651 fan speed
monitoring and control chips.
Signed-off-by: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
