hd44780_ops_gpio4 170 drivers/auxdisplay/hd44780.c static const struct charlcd_ops hd44780_ops_gpio4 = { hd44780_ops_gpio4 263 drivers/auxdisplay/hd44780.c lcd->ops = ifwidth == 8 ? &hd44780_ops_gpio8 : &hd44780_ops_gpio4;