Kernel: HDAudio hide unusable pins and cleanup path finding

kernel/include/kernel/Audio/HDAudio/AudioFunctionGroup.h

@@ -53,8 +53,6 @@ namespace Kernel
 		void queue_bdl_data();
 
 	private:
-		static constexpr size_t m_max_path_length = 16;
-
 		// use 6 512 sample BDL entries
 		// each entry is ~10.7 ms at 48 kHz
 		// -> total buffered audio is 64 ms
@@ -66,6 +64,7 @@ namespace Kernel
 		const uint8_t m_cid;
 
 		BAN::Vector<BAN::Vector<const HDAudio::AFGWidget*>> m_output_paths;
+		BAN::Vector<const HDAudio::AFGWidget*> m_output_pins;
 		size_t m_output_path_index { SIZE_MAX };
 
 		uint8_t m_stream_id    { 0xFF };

kernel/include/kernel/Audio/HDAudio/Definitions.h

@@ -50,6 +50,8 @@ namespace Kernel::HDAudio
 			{
 				bool input;
 				bool output;
+				bool display; // HDMI or DP
+				uint32_t config;
 			} pin_complex;
 		};