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linux-next/include/linux/input/lm8333.h
Wolfram Sang 0bf25a4538 Input: add support for LM8333 keypads
This driver adds support for the keypad part of the LM8333 and is
prepared for possible GPIO/PWM drivers. Note that this is not a MFD
because you cannot disable the keypad functionality which, thus,
has to be handled by the core anyhow.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-04-04 09:25:39 -07:00

25 lines
674 B
C

/*
* public include for LM8333 keypad driver - same license as driver
* Copyright (C) 2012 Wolfram Sang, Pengutronix <w.sang@pengutronix.de>
*/
#ifndef _LM8333_H
#define _LM8333_H
struct lm8333;
struct lm8333_platform_data {
/* Keymap data */
const struct matrix_keymap_data *matrix_data;
/* Active timeout before enter HALT mode in microseconds */
unsigned active_time;
/* Debounce interval in microseconds */
unsigned debounce_time;
};
extern int lm8333_read8(struct lm8333 *lm8333, u8 cmd);
extern int lm8333_write8(struct lm8333 *lm8333, u8 cmd, u8 val);
extern int lm8333_read_block(struct lm8333 *lm8333, u8 cmd, u8 len, u8 *buf);
#endif /* _LM8333_H */