MATRIX_MAX_COLS    32 drivers/input/keyboard/matrix_keypad.c 	uint32_t last_key_state[MATRIX_MAX_COLS];
MATRIX_MAX_COLS   121 drivers/input/keyboard/matrix_keypad.c 	uint32_t new_state[MATRIX_MAX_COLS];
MATRIX_MAX_COLS    13 include/linux/input/matrix_keypad.h 				 (((col) & (MATRIX_MAX_COLS - 1)) << 16) |\