CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM: Enable Silent Stream always for HDMI

General informations

The Linux kernel configuration item CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM:

• prompt: Enable Silent Stream always for HDMI
• type: bool
• depends on: CONFIG_SND_HDA_INTEL
• defined in sound/pci/hda/Kconfig
• found in Linux kernels: 5.9–5.17, 5.18-rc+HEAD

Help text

Say Y to enable HD-Audio Keep Alive (KAE) aka Silent Stream for HDMI on hardware that supports the feature.

When enabled, the HDMI/DisplayPort codec will continue to provide a continuous clock and a valid but silent data stream to any connected external receiver. This allows to avoid gaps at start of playback. Many receivers require multiple seconds to start playing audio after the clock has been stopped. This feature can impact power consumption as resources are kept reserved both at transmitter and receiver.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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