gpiod_dbg
gpiod_dbg(desc, "%s: unavailable (not requested)\n", __func__);
gpiod_dbg(desc, "%s: status %d\n", __func__, status);
gpiod_dbg(desc, "%s: status %d\n", __func__, ret);
gpiod_dbg(desc, "no flags found for GPIO %s\n", name);
gpiod_dbg(desc, "hogged as %s/%s\n",