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	 dd7633c5f4
			
		
	
	
		dd7633c5f4
		
	
	
	
	
		
			
			While doing this, we can also just return a normal RefPtr instead of a LockRefPtr, because we create these channels when initializing an audio controller, and never change the pointer in AudioController instances after their initialization, hence no locking is necessary.
		
			
				
	
	
		
			37 lines
		
	
	
	
		
			839 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
	
		
			839 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/Badge.h>
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| #include <AK/Error.h>
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| #include <AK/IntrusiveList.h>
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| #include <AK/NonnullRefPtr.h>
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| #include <AK/OwnPtr.h>
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| #include <AK/Types.h>
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| #include <Kernel/Devices/Audio/Controller.h>
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| 
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| namespace Kernel {
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| 
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| class AudioManagement {
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| 
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| public:
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|     AudioManagement();
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|     static AudioManagement& the();
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| 
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|     static MajorNumber audio_type_major_number();
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|     static MinorNumber generate_storage_minor_number();
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| 
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|     bool initialize();
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| 
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| private:
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|     ErrorOr<NonnullRefPtr<AudioController>> determine_audio_device(PCI::DeviceIdentifier const& device_identifier) const;
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| 
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|     void enumerate_hardware_controllers();
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|     SpinlockProtected<IntrusiveList<&AudioController::m_node>, LockRank::None> m_controllers_list;
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| };
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| 
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| }
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