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MATRIX_KEYPAD_BUILD_(9) Input Subsystem MATRIX_KEYPAD_BUILD_(9)

NAME

matrix_keypad_build_keymap - convert platform keymap into matrix keymap

SYNOPSIS

void matrix_keypad_build_keymap(const struct matrix_keymap_data * keymap_data, unsigned int row_shift, unsigned short * keymap, unsigned long * keybit);

ARGUMENTS

keymap_data
keymap supplied by the platform code
row_shift
number of bits to shift row value by to advance to the next line in the keymap
keymap
expanded version of keymap that is suitable for use by matrix keyboad driver
keybit
pointer to bitmap of keys supported by input device

DESCRIPTION

This function converts platform keymap (encoded with KEY macro) into an array of keycodes that is suitable for using in a standard matrix keyboard driver that uses row and col as indices.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.