-/**
- * bu21013_cs_disable() - deconfigures the touch panel controller
- * @bu21013_data: device structure pointer
- *
- * This function is used to deconfigure the chip selection
- * for touch panel controller.
- */
-static void bu21013_cs_disable(struct bu21013_ts_data *bu21013_data)
-{
- int error;
-
- error = gpio_direction_output(bu21013_data->chip->cs_pin, 0);
- if (error < 0)
- dev_warn(&bu21013_data->client->dev,
- "%s: gpio direction failed, error: %d\n",
- __func__, error);
- else
- gpio_set_value(bu21013_data->chip->cs_pin, 0);
-
- gpio_free(bu21013_data->chip->cs_pin);
-}
-