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genio: add alsa-ucm-conf + ucm2 config for working audio in userspace

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- from Collabora's Debian 13 impl
This commit is contained in:
Ricardo Pardini 2026-01-10 19:52:35 +01:00 committed by Igor
parent 22f72c064b
commit 1b1e24e4d7
1 changed files with 92 additions and 0 deletions
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92
config/sources/families/genio.conf
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@ -281,3 +281,95 @@ function add_host_dependencies__genio_python3_deps_for_optee_build() {
function write_uboot_platform() {
: # noop; this means `armbian-install` can't be used to flash u-boot; users must use mtkflash or similar
}
## Audio; needs alsa-ucm-conf package plus mediatek-specific UCM files
function post_family_config__genio_userspace_audio() {
add_packages_to_image "alsa-ucm-conf" # also needs mediatek-specific UCM files; see pre_customize_image__genio_1200_alsa_ucm_conf
}
# From https://gitlab.collabora.com/mediatek/aiot/debian-image-recipes/-/tree/main/overlays/alsa-ucm-sof-mt8395-evk/ucm2 @ 24d7cca9272b594259c43f316e678ac348cdc0f2
function pre_customize_image__genio_1200_alsa_ucm_conf() {
display_alert "Add alsa-ucm-conf for Mediatek" "genio :: ${BOARD}" "info"
declare dest_dir_sof="${SDCARD}/usr/share/alsa/ucm2/MediaTek/sof-mt8395-evk"
mkdir -p "${dest_dir_sof}"
cat <<- 'MEDIATEK_HIFI' > "${dest_dir_sof}/HiFi.conf"
If.HDMI {
Condition {
Type ControlExists
Control "iface=CARD,name='HDMI Jack'"
}
True {
SectionDevice."HDMI1" {
Comment "HDMI output"
EnableSequence [
cset "name='HDMI_OUT_MUX' 1"
]
DisableSequence [
cset "name='HDMI_OUT_MUX' 0"
]
Value {
PlaybackPriority 200
PlaybackPCM "hw:${CardId},5"
JackControl "HDMI Jack"
}
}
}
}
SectionDevice."Headphones" {
Comment "Earphone speaker"
EnableSequence [
cset "name='HP Mux' Audio Playback"
]
DisableSequence [
cset "name='HP Mux' Open"
]
Value {
PlaybackPriority 400
PlaybackChannels 2
PlaybackPCM "hw:${CardId},16"
JackControl "Headphone Jack"
}
}
MEDIATEK_HIFI
cat <<- 'MEDIATEK_MT8395_EVK' > "${dest_dir_sof}/sof-mt8395-evk.conf"
Syntax 4
SectionUseCase."HiFi" {
File "/MediaTek/sof-mt8395-evk/HiFi.conf"
Comment "Play high quality music"
}
BootSequence [
cset "name='HP Mux' Audio Playback"
cset "name='LOL Mux' Open"
cset "name='MISO0_MUX' UL1_CH1"
cset "name='MISO1_MUX' UL1_CH1"
cset "name='ADC_L_Mux' Left Preamplifier"
cset "name='ADC_R_Mux' Right Preamplifier"
cset "name='ADC_3_Mux' Preamplifier"
cset "name='ETDM_OUT3_Clock_Source' a1sys_a2sys"
cset "name='PGA_L_Mux' AIN1"
cset "name='PGA_R_Mux' AIN2"
cset "name='PGA_3_Mux' AIN3"
cset "name='HDMI_OUT_MUX' Connect"
cset "name='DPTX_OUT_MUX' Disconnect"
cset "name='Lineout Volume' 10"
cset "name='Headset Volume' 2"
cset "name='PGA1 Volume' 4"
cset "name='PGA2 Volume' 4"
cset "name='PGA3 Volume' 4"
cset "name='O000 I000 Switch' on"
cset "name='O001 I001 Switch' on"
cset "name='O034 I168 Switch' on"
cset "name='O035 I169 Switch' on"
cset "name='O040 I002 Switch' on"
cset "name='O041 I003 Switch' on"
cset "name='O176 I070 Switch' on"
cset "name='O177 I071 Switch' on"
]
MEDIATEK_MT8395_EVK
declare dest_dir_conf="${SDCARD}/usr/share/alsa/ucm2/conf.d/sof-mt8395-evk"
mkdir -p "${dest_dir_conf}"
run_host_command_logged ln -sfv "../../MediaTek/sof-mt8395-evk/sof-mt8395-evk.conf" "${dest_dir_conf}/sof-mt8395-evk.conf"
}