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Kernel: Make AC'97 initialization fallible

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Let's not crash in `AudioManagement` if we run into trouble.
This commit is contained in:
Jelle Raaijmakers 2022-02-27 15:46:11 +01:00 • committed by Andreas Kling
parent feb00b7105
commit 9a46573ffc
3 changed files with 18 additions and 9 deletions
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5
Kernel/Devices/Audio/AC97.h
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@ -1,11 +1,12 @@
/*
* Copyright (c) 2021, Jelle Raaijmakers <jelle@gmta.nl>
* Copyright (c) 2021-2022, Jelle Raaijmakers <jelle@gmta.nl>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Error.h>
#include <Kernel/Arch/x86/IO.h>
#include <Kernel/Bus/PCI/API.h>
#include <Kernel/Bus/PCI/Device.h>
@ -145,7 +146,7 @@ private:
virtual bool handle_irq(const RegisterState&) override;
AC97Channel channel(StringView name, NativeAudioBusChannel channel) { return AC97Channel(*this, name, m_io_bus_base.offset(channel)); }
void initialize();
ErrorOr<void> initialize();
void reset_pcm_out();
void set_master_output_volume(u8, u8, Muted);
ErrorOr<void> set_pcm_output_sample_rate(u32);