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@@ -330,6 +330,11 @@ static esp_err_t panel_io_i80_del(esp_lcd_panel_io_t *io)
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LIST_REMOVE(i80_device, device_list_entry);
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portEXIT_CRITICAL(&bus->spinlock);
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+ // reset CS to normal GPIO
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+ if (i80_device->cs_gpio_num >= 0) {
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+ gpio_reset_pin(i80_device->cs_gpio_num);
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+ }
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+
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ESP_LOGD(TAG, "del i80 lcd panel io @%p", i80_device);
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vQueueDelete(i80_device->trans_queue);
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vQueueDelete(i80_device->done_queue);
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