37 	struct gpio_desc *pins[PIN_NUM];  member
44 	if (hd->pins[PIN_CTRL_BL])  in hd44780_backlight()
45 		gpiod_set_value_cansleep(hd->pins[PIN_CTRL_BL], on);  in hd44780_backlight()
53 	gpiod_set_value_cansleep(hd->pins[PIN_CTRL_E], 1);  in hd44780_strobe_gpio()
58 	gpiod_set_value_cansleep(hd->pins[PIN_CTRL_E], 0);  in hd44780_strobe_gpio()
69 	n = hd->pins[PIN_CTRL_RW] ? 10 : 9;  in hd44780_write_gpio8()
72 	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA0], NULL, values);  in hd44780_write_gpio8()
86 	n = hd->pins[PIN_CTRL_RW] ? 6 : 5;  in hd44780_write_gpio4()
89 	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4], NULL, values);  in hd44780_write_gpio4()
98 	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4], NULL, values);  in hd44780_write_gpio4()
151 	n = hd->pins[PIN_CTRL_RW] ? 6 : 5;  in hd44780_write_cmd_raw_gpio4()
154 	gpiod_set_array_value_cansleep(n, &hd->pins[PIN_DATA4], NULL, values);  in hd44780_write_cmd_raw_gpio4()
208 		hd->pins[base + i] = devm_gpiod_get_index(dev, "data", i,  in hd44780_probe()
210 		if (IS_ERR(hd->pins[base + i])) {  in hd44780_probe()
211 			ret = PTR_ERR(hd->pins[base + i]);  in hd44780_probe()
216 	hd->pins[PIN_CTRL_E] = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);  in hd44780_probe()
217 	if (IS_ERR(hd->pins[PIN_CTRL_E])) {  in hd44780_probe()
218 		ret = PTR_ERR(hd->pins[PIN_CTRL_E]);  in hd44780_probe()
222 	hd->pins[PIN_CTRL_RS] = devm_gpiod_get(dev, "rs", GPIOD_OUT_HIGH);  in hd44780_probe()
223 	if (IS_ERR(hd->pins[PIN_CTRL_RS])) {  in hd44780_probe()
224 		ret = PTR_ERR(hd->pins[PIN_CTRL_RS]);  in hd44780_probe()
229 	hd->pins[PIN_CTRL_RW] = devm_gpiod_get_optional(dev, "rw",  in hd44780_probe()
231 	if (IS_ERR(hd->pins[PIN_CTRL_RW])) {  in hd44780_probe()
232 		ret = PTR_ERR(hd->pins[PIN_CTRL_RW]);  in hd44780_probe()
236 	hd->pins[PIN_CTRL_BL] = devm_gpiod_get_optional(dev, "backlight",  in hd44780_probe()
238 	if (IS_ERR(hd->pins[PIN_CTRL_BL])) {  in hd44780_probe()
239 		ret = PTR_ERR(hd->pins[PIN_CTRL_BL]);  in hd44780_probe()