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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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73969ff0ed
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 <daniel@caiaq.de> Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 lines
272 B
C
14 lines
272 B
C
#ifndef __ROTARY_ENCODER_H__
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#define __ROTARY_ENCODER_H__
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struct rotary_encoder_platform_data {
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unsigned int steps;
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unsigned int axis;
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unsigned int gpio_a;
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unsigned int gpio_b;
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unsigned int inverted_a;
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unsigned int inverted_b;
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};
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#endif /* __ROTARY_ENCODER_H__ */
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