diff options
| author |   Wolfram Sang <w.sang@pengutronix.de> | 2012-04-03 13:39:44 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-04-04 09:25:39 -0700 |
| commit | 0bf25a45386f284d591530ef174eaa9e44d84956 (patch) | |
| tree | 128d3124b99531345cfbfcf4045ec03c7996eab1 /include/linux/input | |
| parent | Input: add support for Wacom Stylus device with I2C interface (diff) | |
| download | linux-dev-0bf25a45386f284d591530ef174eaa9e44d84956.tar.xz linux-dev-0bf25a45386f284d591530ef174eaa9e44d84956.zip | |
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>
Diffstat (limited to 'include/linux/input')
| -rw-r--r-- | include/linux/input/lm8333.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/input/lm8333.h b/include/linux/input/lm8333.h new file mode 100644 index 000000000000..79f918c6e8c5 --- /dev/null +++ b/include/linux/input/lm8333.h @@ -0,0 +1,24 @@ +/* + * 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 */ |