root/include/linux/platform_data/keypad-ep93xx.h

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#ifndef __KEYPAD_EP93XX_H
#define __KEYPAD_EP93XX_H

struct matrix_keymap_data;

/* flags for the ep93xx_keypad driver */
#define EP93XX_KEYPAD_DISABLE_3_KEY     (1<<0)  /* disable 3-key reset */
#define EP93XX_KEYPAD_DIAG_MODE         (1<<1)  /* diagnostic mode */
#define EP93XX_KEYPAD_BACK_DRIVE        (1<<2)  /* back driving mode */
#define EP93XX_KEYPAD_TEST_MODE         (1<<3)  /* scan only column 0 */
#define EP93XX_KEYPAD_KDIV              (1<<4)  /* 1/4 clock or 1/16 clock */
#define EP93XX_KEYPAD_AUTOREPEAT        (1<<5)  /* enable key autorepeat */

/**
 * struct ep93xx_keypad_platform_data - platform specific device structure
 * @keymap_data:        pointer to &matrix_keymap_data
 * @debounce:           debounce start count; terminal count is 0xff
 * @prescale:           row/column counter pre-scaler load value
 * @flags:              see above
 */
struct ep93xx_keypad_platform_data {
        struct matrix_keymap_data *keymap_data;
        unsigned int    debounce;
        unsigned int    prescale;
        unsigned int    flags;
};

#define EP93XX_MATRIX_ROWS              (8)
#define EP93XX_MATRIX_COLS              (8)

#endif  /* __KEYPAD_EP93XX_H */
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