display: stm32: fix bug where missing backlight pin causes crash

When backlight pin is not defined, a display suspend will cause a crash since it looks at the wrong pin when deciding if it exists. Signed-off-by: Emil Lindqvist <[email protected]>
zephyrproject-rtos · Oct 10, 2023 · d673f11 · d673f11
1 parent fc078f9
commit d673f11
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/display/display_stm32_ltdc.c b/drivers/display/display_stm32_ltdc.c
@@ -336,7 +336,7 @@ static int stm32_ltdc_suspend(const struct device *dev)
 	}
 
 	/* Turn off backlight (if its GPIO is defined in device tree) */
-	if (config->disp_on_gpio.port) {
+	if (config->bl_ctrl_gpio.port) {
 		err = gpio_pin_set_dt(&config->bl_ctrl_gpio, 0);
 		if (err < 0) {
 			return err;