0bf25a4538
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>
24 lines
674 B
C
24 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 */
|