Man page 9 : sparse_keymap_report_entry

sparse_keymap_report_entry - report event corresponding to given key entry

void sparse_keymap_report_entry(struct input_dev *  dev , const struct key_entry *  ke , unsigned int  value , bool  autorelease );

dev
    Input device for which event should be reported

ke
    key entry describing event

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 report input event described by given struct key_entry.