diff --git a/config/sources/families/genio.conf b/config/sources/families/genio.conf
index 33e652c166..34b221a8e7 100644
--- a/config/sources/families/genio.conf
+++ b/config/sources/families/genio.conf
@@ -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"
+}