LV_DISP_USE_RST

Allows to not allocate a GPIO for display reset: some may have that pin tied or attached to a Power management IC.

Supersedes PR from @usedbytes doing same but only for IL9341, this is for all supported displays.

lvgl_tft/EVE_commands.c

@@ -144,7 +144,7 @@ void DELAY_MS(uint16_t ms)
 	vTaskDelay(ms / portTICK_PERIOD_MS);
 }
 
-
+#if EVE_USE_PDN
 void EVE_pdn_set(void)
 {
 	gpio_set_level(EVE_PDN, 0);	/* Power-Down low */
@@ -155,7 +155,7 @@ void EVE_pdn_clear(void)
 {
 	gpio_set_level(EVE_PDN, 1);	/* Power-Down high */
 }
-
+#endif
 
 void spi_acquire()
 {
@@ -841,11 +841,13 @@ uint8_t EVE_init(void)
 	uint8_t chipid = 0;
 	uint16_t timeout = 0;
 
+#if EVE_USE_PDN
 	EVE_pdn_set();
 	DELAY_MS(6); /* minimum time for power-down is 5ms */
 
 	EVE_pdn_clear();
 	DELAY_MS(21); /* minimum time to allow from rising PD_N to first access is 20ms */
+#endif
 
 	/*	EVE_cmdWrite(EVE_CORERST,0); */ /* reset, only required for warm-start if PowerDown line is not used */