root/include/linux/platform_data/keyboard-pxa930_rotary.h

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#ifndef __ASM_ARCH_PXA930_ROTARY_H
#define __ASM_ARCH_PXA930_ROTARY_H

/* NOTE:
 *
 * rotary can be either interpreted as a ralative input event (e.g.
 * REL_WHEEL or REL_HWHEEL) or a specific key event (e.g. UP/DOWN
 * or LEFT/RIGHT), depending on if up_key & down_key are assigned
 * or rel_code is assigned a non-zero value. When all are non-zero,
 * up_key and down_key will be preferred.
 */
struct pxa930_rotary_platform_data {
        int     up_key;
        int     down_key;
        int     rel_code;
};

void __init pxa930_set_rotarykey_info(struct pxa930_rotary_platform_data *info);

#endif /* __ASM_ARCH_PXA930_ROTARY_H */
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