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Kernel/Audio: Don't try to enumerate PCI adapters if PCI is disabled

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Liav A 2022-02-17 22:10:59 +02:00 committed by Andreas Kling
parent 71de4f7114
commit 15315be55c
Notes: sideshowbarker 2024-07-17 18:02:16 +09:00 
Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/15315be55c
Pull-request: https://github.com/SerenityOS/serenity/pull/12046
1 changed files with 16 additions and 14 deletions
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30
Kernel/Devices/Audio/Management.cpp
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@ -38,21 +38,23 @@ UNMAP_AFTER_INIT AudioManagement::AudioManagement()
UNMAP_AFTER_INIT void AudioManagement::enumerate_hardware_controllers()
{
PCI::enumerate([&](PCI::DeviceIdentifier const& device_identifier) {
// Note: Only consider PCI audio controllers
if (device_identifier.class_code().value() != to_underlying(PCI::ClassID::Multimedia)
|| device_identifier.subclass_code().value() != to_underlying(PCI::Multimedia::SubclassID::AudioController))
return;
if (!PCI::Access::is_disabled()) {
PCI::enumerate([&](PCI::DeviceIdentifier const& device_identifier) {
// Note: Only consider PCI audio controllers
if (device_identifier.class_code().value() != to_underlying(PCI::ClassID::Multimedia)
|| device_identifier.subclass_code().value() != to_underlying(PCI::Multimedia::SubclassID::AudioController))
return;
dbgln("AC97: found audio controller at {}", device_identifier.address());
auto ac97_device = AC97::try_create(device_identifier);
if (ac97_device.is_error()) {
// FIXME: Propagate errors properly
dbgln("AudioManagement: failed to initialize AC97 device: {}", ac97_device.error());
return;
}
m_controllers_list.append(ac97_device.release_value());
});
dbgln("AC97: found audio controller at {}", device_identifier.address());
auto ac97_device = AC97::try_create(device_identifier);
if (ac97_device.is_error()) {
// FIXME: Propagate errors properly
dbgln("AudioManagement: failed to initialize AC97 device: {}", ac97_device.error());
return;
}
m_controllers_list.append(ac97_device.release_value());
});
}
}
UNMAP_AFTER_INIT void AudioManagement::enumerate_hardware_audio_channels()