#include <Guid/AppleVariable.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/OcAudioLib.h>
#include <Library/OcDriverConnectionLib.h>
#include <Library/OcMiscLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Protocol/AppleHda.h>
#include <Protocol/AppleBeepGen.h>
#include <Protocol/AppleVoiceOver.h>
#include "OcAudioInternal.h"

Functions
OC_AUDIO_PROTOCOL *	OcAudioInstallProtocols (IN BOOLEAN Reinstall, IN BOOLEAN DisconnectHda)

VOID	OcGetAmplifierGain (OUT UINT8 RawGain, OUT INT8 DecibelGain, OUT BOOLEAN Muted, OUT BOOLEAN TryConversion)

Variables
STATIC EFI_GUID *	mAudioProtocols []

STATIC OC_AUDIO_PROTOCOL_PRIVATE	mAudioProtocol

Detailed Description

This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

Definition in file OcAudioLib.c.

Function Documentation

◆ OcAudioInstallProtocols()

OC_AUDIO_PROTOCOL * OcAudioInstallProtocols	(	IN BOOLEAN	Reinstall,
		IN BOOLEAN	DisconnectHda )

Install audio support protocols.

Parameters

[in]	Reinstall	Overwrite installed protocols.
[in]	DisconnectHda	Attempt to disconnect HDA controller first.

Return values

installed	protocol.
NULL	when conflicting audio implementation is present.
NULL	when installation failed.

Definition at line 80 of file OcAudioLib.c.

◆ OcGetAmplifierGain()

VOID OcGetAmplifierGain	(	OUT UINT8 *	RawGain,
		OUT INT8 *	DecibelGain,
		OUT BOOLEAN *	Muted,
		OUT BOOLEAN *	TryConversion )

Get system amplifier gain.

Parameters

[out]	RawGain	Raw codec gain setting.
[out]	DecibelGain	Decibel gain setting.
[out]	Muted	Whether amplifier should be muted.
[out]	TryConversion	TRUE when decibel gain setting is a default value and raw codec gain setting is a real value.

Definition at line 166 of file OcAudioLib.c.

Variable Documentation

◆ mAudioProtocol

STATIC OC_AUDIO_PROTOCOL_PRIVATE mAudioProtocol

Definition at line 46 of file OcAudioLib.c.

◆ mAudioProtocols

STATIC EFI_GUID* mAudioProtocols[]

Initial value:

= {
  &gOcAudioProtocolGuid,
  &gAppleBeepGenProtocolGuid,
  &gAppleVOAudioProtocolGuid,
  &gAppleHighDefinitionAudioProtocolGuid
}

Definition at line 37 of file OcAudioLib.c.

Functions