1# SPDX-License-Identifier: GPL-2.0-only 2 3config SND_HDA_CODEC_HDMI 4 tristate "Generic HDMI/DisplayPort HD-audio codec support" 5 select SND_DYNAMIC_MINORS 6 select SND_PCM_ELD 7 help 8 Say Y or M here to include Generic HDMI and DisplayPort HD-audio 9 codec support. 10 11 Note that this option mandatorily enables CONFIG_SND_DYNAMIC_MINORS 12 to assure the multiple streams for DP-MST support. 13 14config SND_HDA_CODEC_HDMI_SIMPLE 15 tristate "Simple HDMI/DisplayPort HD-audio codec support" 16 help 17 Say Y or M here to include Simple HDMI and DisplayPort HD-audio 18 codec support for VIA and other codecs. 19 20config SND_HDA_CODEC_HDMI_INTEL 21 tristate "Intel HDMI/DisplayPort HD-audio codec support" 22 select SND_HDA_CODEC_HDMI 23 help 24 Say Y or M here to include Intel graphics HDMI and DisplayPort 25 HD-audio codec support. 26 27config SND_HDA_INTEL_HDMI_SILENT_STREAM 28 bool "Enable Silent Stream always for HDMI" 29 depends on SND_HDA_CODEC_HDMI_INTEL 30 help 31 Say Y to enable HD-Audio Keep Alive (KAE) aka Silent Stream 32 for HDMI on hardware that supports the feature. 33 34 When enabled, the HDMI/DisplayPort codec will continue to provide 35 a continuous clock and a valid but silent data stream to 36 any connected external receiver. This allows to avoid gaps 37 at start of playback. Many receivers require multiple seconds 38 to start playing audio after the clock has been stopped. 39 This feature can impact power consumption as resources 40 are kept reserved both at transmitter and receiver. 41 42config SND_HDA_CODEC_HDMI_ATI 43 tristate "AMD/ATI HDMI/DisplayPort HD-audio codec support" 44 select SND_HDA_CODEC_HDMI 45 help 46 Say Y or M here to include AMD/ATI graphics HDMI and DisplayPort 47 HD-audio codec support. 48 49config SND_HDA_CODEC_HDMI_NVIDIA 50 tristate "Nvidia HDMI/DisplayPort HD-audio codec support" 51 select SND_HDA_CODEC_HDMI 52 help 53 Say Y or M here to include HDMI and DisplayPort HD-audio codec 54 support for the recent Nvidia graphics cards. 55 56config SND_HDA_CODEC_HDMI_NVIDIA_MCP 57 tristate "Legacy Nvidia HDMI/DisplayPort HD-audio codec support" 58 select SND_HDA_CODEC_HDMI_SIMPLE 59 help 60 Say Y or M here to include HDMI and DisplayPort HD-audio codec 61 support for the legacy Nvidia graphics like MCP73, MCP67, MCP77/78. 62 63config SND_HDA_CODEC_HDMI_TEGRA 64 tristate "Nvidia Tegra HDMI/DisplayPort HD-audio codec support" 65 select SND_HDA_CODEC_HDMI 66 help 67 Say Y or M here to include HDMI and DisplayPort HD-audio codec 68 support for Nvidia Tegra. 69