Man page 9 : sparse_keymap_report_event

sparse_keymap_report_event - report event corresponding to given scancode

bool sparse_keymap_report_event(struct input_dev *  dev , unsigned int  code , unsigned int  value , bool  autorelease );

dev
    Input device using sparse keymap

code
    Scan code

value
    Value that should be reported (ignored by KE_SW entries)

autorelease
    Signals whether release event should be emitted for KE_KEY entries right after reporting press event, ignored by all other entries

This function is used to perform lookup in an input device using sparse keymap and report corresponding event. Returns true if lookup was successful and false otherwise.