Merge branch 'bugfix/i80_lcd_reset_gpio_config_v4.4' into 'release/v4.4'

fix(i80_lcd): reset cs gpio on exit (v4.4) See merge request espressif/esp-idf!25245
espressif · Aug 8, 2023 · 1efa786 · 1efa786
2 parents 9ff0e96 + 6c1182f
commit 1efa786
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diff --git a/components/esp_lcd/src/esp_lcd_panel_io_i2s.c b/components/esp_lcd/src/esp_lcd_panel_io_i2s.c
@@ -331,6 +331,11 @@ static esp_err_t panel_io_i80_del(esp_lcd_panel_io_t *io)
     LIST_REMOVE(i80_device, device_list_entry);
     portEXIT_CRITICAL(&bus->spinlock);
 
+    // reset CS GPIO
+    if (i80_device->cs_gpio_num >= 0) {
+        gpio_reset_pin(i80_device->cs_gpio_num);
+    }
+
     ESP_LOGD(TAG, "del i80 lcd panel io @%p", i80_device);
     vQueueDelete(i80_device->trans_queue);
     vQueueDelete(i80_device->done_queue);

diff --git a/components/esp_lcd/src/esp_lcd_panel_io_i80.c b/components/esp_lcd/src/esp_lcd_panel_io_i80.c
@@ -322,6 +322,11 @@ static esp_err_t panel_io_i80_del(esp_lcd_panel_io_t *io)
     LIST_REMOVE(i80_device, device_list_entry);
     portEXIT_CRITICAL(&bus->spinlock);
 
+    // reset CS to normal GPIO
+    if (i80_device->cs_gpio_num >= 0) {
+        gpio_reset_pin(i80_device->cs_gpio_num);
+    }
+
     ESP_LOGD(TAG, "del i80 lcd panel io @%p", i80_device);
     vQueueDelete(i80_device->trans_queue);
     vQueueDelete(i80_device->done_queue);