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