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| author | Daniel Mack <daniel@caiaq.de> | 2009-03-04 23:27:14 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-03-08 16:35:53 -0700 |
| commit | 73969ff0eda233f140bcbed1251431387b43f383 (patch) | |
| tree | b7dd2b670d9e03916b04469e9d38b71d69c6cd60 /include/linux/rotary_encoder.h | |
| parent | b0ecc7309443dbcf1a0ce2d93f39f5d92c124d42 (diff) | |
| download | linux-73969ff0eda233f140bcbed1251431387b43f383.tar.gz linux-73969ff0eda233f140bcbed1251431387b43f383.tar.bz2 linux-73969ff0eda233f140bcbed1251431387b43f383.zip | |
Input: generic driver for rotary encoders on GPIOs
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>
Diffstat (limited to 'include/linux/rotary_encoder.h')
| -rw-r--r-- | include/linux/rotary_encoder.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/rotary_encoder.h b/include/linux/rotary_encoder.h new file mode 100644 index 000000000000..12d63a30c347 --- /dev/null +++ b/include/linux/rotary_encoder.h @@ -0,0 +1,13 @@ +#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__ */ |