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-rw-r--r--meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/30-alsa-monitor.lua161
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diff --git a/meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/30-alsa-monitor.lua b/meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/30-alsa-monitor.lua
new file mode 100644
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+++ b/meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/30-alsa-monitor.lua
@@ -0,0 +1,161 @@
+-- ALSA monitor config file --
+
+alsa_monitor = {}
+
+alsa_monitor.properties = {
+ ["alsa.jack-device"] = false,
+ ["alsa.reserve"] = false,
+}
+
+alsa_monitor.rules = {
+ -- disable ACP (PulseAudio-like profiles)
+ {
+ matches = {
+ {
+ { "device.name", "matches", "alsa_card.*" },
+ },
+ },
+ apply_properties = {
+ ["api.alsa.use-acp"] = false,
+ },
+ },
+
+ --
+ -- Bump priority of well-known output devices
+ -- Higher priority means it gets selected as the default if it's present
+ --
+
+ -- USB card
+ {
+ matches = {
+ {
+ { "node.name", "matches", "alsa_output.*" },
+ { "api.alsa.card.driver", "=", "USB-Audio" },
+ },
+ },
+ apply_properties = {
+ ["priority.driver"] = 1300,
+ ["priority.session"] = 1300,
+ }
+ },
+
+ -- fiberdyne amp
+ {
+ matches = {
+ {
+ { "node.name", "matches", "alsa_output.*" },
+ { "api.alsa.card.id", "=", "ep016ch" },
+ },
+ },
+ apply_properties = {
+ ["priority.driver"] = 1200,
+ ["priority.session"] = 1200,
+ }
+ },
+
+ -- well-known internal devices
+ {
+ matches = {
+ {
+ -- ak4613
+ { "node.name", "matches", "alsa_output.*" },
+ { "api.alsa.card.id", "=", "ak4613" },
+ { "api.alsa.pcm.device", "=", "0" },
+ },
+ {
+ -- dra7xx
+ { "node.name", "matches", "alsa_output.*" },
+ { "api.alsa.card.id", "=", "DRA7xx-EVM" },
+ },
+ {
+ -- imx8mq
+ { "node.name", "matches", "alsa_output.*" },
+ { "api.alsa.card.id", "=", "wm8524audio" },
+ },
+ {
+ -- rcarsound
+ { "node.name", "matches", "alsa_output.*" },
+ { "api.alsa.card.id", "=", "rcarsound" },
+ { "api.alsa.pcm.device", "=", "0" },
+ },
+ {
+ -- rpi3
+ { "node.name", "matches", "alsa_output.*" },
+ { "api.alsa.pcm.name", "=", "bcm2835 ALSA" },
+ },
+ },
+ apply_properties = {
+ ["priority.driver"] = 1100,
+ ["priority.session"] = 1100,
+ }
+ },
+
+ --
+ -- Same for input devices
+ --
+
+ -- USB card
+ {
+ matches = {
+ {
+ { "node.name", "matches", "alsa_input.*" },
+ { "api.alsa.card.driver", "=", "USB-Audio" },
+ },
+ },
+ apply_properties = {
+ ["priority.driver"] = 2300,
+ ["priority.session"] = 2300,
+ }
+ },
+
+ -- microchip mic
+ {
+ matches = {
+ {
+ { "node.name", "matches", "alsa_input.*" },
+ { "api.alsa.card.id", "=", "ep811ch" },
+ },
+ },
+ apply_properties = {
+ ["priority.driver"] = 2200,
+ ["priority.session"] = 2200,
+ }
+ },
+
+ -- well-known internal devices
+ {
+ matches = {
+ {
+ -- ak4613
+ { "node.name", "matches", "alsa_input.*" },
+ { "api.alsa.card.id", "=", "ak4613" },
+ },
+ {
+ -- dra7xx
+ { "node.name", "matches", "alsa_input.*" },
+ { "api.alsa.card.id", "=", "DRA7xx-EVM" },
+ },
+ {
+ -- imx8mq
+ { "node.name", "matches", "alsa_input.*" },
+ { "api.alsa.card.id", "=", "wm8524audio" },
+ },
+ {
+ -- rcarsound
+ { "node.name", "matches", "alsa_input.*" },
+ { "api.alsa.card.id", "=", "rcarsound" },
+ },
+ },
+ apply_properties = {
+ ["priority.driver"] = 2100,
+ ["priority.session"] = 2100,
+ }
+ },
+}
+
+function alsa_monitor.enable()
+ load_monitor("alsa", {
+ properties = alsa_monitor.properties,
+ rules = alsa_monitor.rules,
+ })
+end