Hi! > > This led-controller supports 3 pattern controllers for auto breathing or > > group dimming control. Each pattern controller can work in auto > > breathing or manual control mode. All breathing parameters including > > rising/falling slope, on/off time, repeat times, min/max brightness > > and so on are configurable. > > > > Signed-off-by: Martin Kurbanov <mmkurbanov@xxxxxxxxxxxxxxxxx> > > --- > > .../testing/sysfs-class-led-driver-aw200xx | 108 +++ > > Documentation/leds/leds-aw200xx.rst | 274 ++++++++ > > drivers/leds/leds-aw200xx.c | 649 ++++++++++++++++++ > > 3 files changed, 1031 insertions(+) > > create mode 100644 Documentation/leds/leds-aw200xx.rst > > This interface is bananas. Exposing an entire register interface to > sysfs does not sit will with me at all. When we add support to a sysfs > class, we usually require it to be generic and work across all devices. > Adding device specific interfaces is generally decried and to be > avoided. Don't forget, once we commit something to sysfs, it becomes > ABI and we have to support it forever. If you do git grep hw_pattern, you should get pointers to qcom-lpg driver that solves similar problem, with interface that should be acceptable. Best regards, Pavel