PIN_CTRL_RW
n = hd->pins[PIN_CTRL_RW] ? 6 : 5;
hd->pins[PIN_CTRL_RW] = devm_gpiod_get_optional(dev, "rw",
if (IS_ERR(hd->pins[PIN_CTRL_RW])) {
ret = PTR_ERR(hd->pins[PIN_CTRL_RW]);
n = hd->pins[PIN_CTRL_RW] ? 10 : 9;
n = hd->pins[PIN_CTRL_RW] ? 6 : 5;