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* backlight: Add RAVE SP backlight driverAndrey Smirnov2018-04-301-0/+1
| | | | | | | | | This driver provides access to RAVE SP backlight control functionality. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: Add driver for RAVE Supervisory ProcessorAndrey Smirnov2018-01-081-0/+60
Add a driver for RAVE Supervisory Processor, an MCU implementing various bits of housekeeping functionality (watchdoging, backlight control, LED control, etc) on RAVE family of products by Zodiac Inflight Innovations. This driver implementes core MFD/serdev device as well as communication subroutines necessary for commanding the device. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Acked-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Tested-by: Chris Healy <cphealy@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>