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Diffstat (limited to 'sound/pci/hda/Kconfig')
| -rw-r--r-- | sound/pci/hda/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig index 102ef58c49e4..90759391cbac 100644 --- a/sound/pci/hda/Kconfig +++ b/sound/pci/hda/Kconfig @@ -240,6 +240,20 @@ config SND_HDA_POWER_SAVE_DEFAULT The default time-out value in seconds for HD-audio automatic power-save mode. 0 means to disable the power-save mode. +config SND_HDA_INTEL_HDMI_SILENT_STREAM + bool "Enable Silent Stream always for HDMI" + depends on SND_HDA_INTEL + help + Intel hardware has a feature called 'silent stream', that + keeps external HDMI receiver's analog circuitry powered on + avoiding 2-3 sec silence during playback start. This mechanism + relies on setting channel_id as 0xf, sending info packet and + preventing codec D3 entry (increasing platform static power + consumption when HDMI receiver is plugged-in). 2-3 sec silence + at the playback start is expected whenever there is format change. + (default is 2 channel format). + Say Y to enable Silent Stream feature. + endif endmenu |