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graph {
	bgcolor="#ffffff00" # Transparent background
	ratio=0.8
	overlap=false
	subgraph cluster_modem {
		label="Modem";
		"MODEM_BUS" [label="USB, Serial port, HSIC, RAM, MIPI, etc"];

	};
	subgraph cluster_soc {
		label="SOC (Exynos, OMAP, etc)";
		subgraph cluster_hardware {
			 label="Hardware";
			 "SOC_BUS" [label="USB, Serial port, HSIC, RAM, MIPI, etc"];
			 "SOC_BUS" -- "MODEM_BUS";
		};

		subgraph cluster_software {
			label="Software";
			"libsamsung-ril" [label="libsamsung-ril"];
			"libril" [label="other libril:, reference-ril, qmi-ril, etc"];
			"MODEM_DRIVER" [label="Linux driver: Modem drivers (+ possibly a low level protocol)"];

			"SOC_BUS" -- "MODEM_DRIVER";

			"MODEM_DRIVER" -- "libril";
			"libril" -- "rild";

			"MODEM_DRIVER" -- "libsamsung-ipc";
			"libsamsung-ipc" -- "libsamsung-ril";
			"libsamsung-ril" -- "rild";

			"rild" -- "framework";
			"framework" -- "applications (dialer, silence, etc)";
		};
	};

}