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73969ff0e Input: generic driver for rotary encoders on GPIOs ... Browse Code »

This patch adds a generic driver for rotary encoders connected to GPIO
pins of a system. It relies on gpiolib and generic hardware irqs. The
documentation that also comes with this patch explains the concept and
how to use the driver.

Signed-off-by: Daniel Mack
Tested-by: H Hartley Sweeten
Signed-off-by: Dmitry Torokhov

Daniel Mack
2009-03-09 07:35:53 +0800

rotary_encoder.h 272 Bytes

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#ifndef __ROTARY_ENCODER_H__
#define __ROTARY_ENCODER_H__

struct rotary_encoder_platform_data {
	unsigned int steps;
	unsigned int axis;
	unsigned int gpio_a;
	unsigned int gpio_b;
	unsigned int inverted_a;
	unsigned int inverted_b;
};

#endif /* __ROTARY_ENCODER_H__ */