meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/30-alsa-monitor.lua

   1 -- ALSA monitor config file --
   2
   3 alsa_monitor = {}
   4
   5 alsa_monitor.properties = {
   6   ["alsa.jack-device"] = false,
   7   ["alsa.reserve"] = false,
   8 }
   9
  10 alsa_monitor.rules = {
  11   -- disable ACP (PulseAudio-like profiles)
  12   {
  13     matches = {
  14       {
  15         { "device.name", "matches", "alsa_card.*" },
  16       },
  17     },
  18     apply_properties = {
  19       ["api.alsa.use-acp"] = false,
  20     },
  21   },
  22
  23   --
  24   -- Bump priority of well-known output devices
  25   -- Higher priority means it gets selected as the default if it's present
  26   --
  27
  28   -- USB card
  29   {
  30     matches = {
  31       {
  32         { "node.name", "matches", "alsa_output.*" },
  33         { "api.alsa.card.driver", "=", "USB-Audio" },
  34       },
  35     },
  36     apply_properties = {
  37       ["priority.driver"]        = 1300,
  38       ["priority.session"]       = 1300,
  39     }
  40   },
  41
  42   -- fiberdyne amp
  43   {
  44     matches = {
  45       {
  46         { "node.name", "matches", "alsa_output.*" },
  47         { "api.alsa.card.id", "=", "ep016ch" },
  48       },
  49     },
  50     apply_properties = {
  51       ["priority.driver"]        = 1200,
  52       ["priority.session"]       = 1200,
  53     }
  54   },
  55
  56   -- well-known internal devices
  57   {
  58     matches = {
  59       {
  60         -- ak4613
  61         { "node.name", "matches", "alsa_output.*" },
  62         { "api.alsa.card.id", "=", "ak4613" },
  63         { "api.alsa.pcm.device", "=", "0" },
  64       },
  65       {
  66         -- dra7xx
  67         { "node.name", "matches", "alsa_output.*" },
  68         { "api.alsa.card.id", "=", "DRA7xx-EVM" },
  69       },
  70       {
  71         -- imx8mq
  72         { "node.name", "matches", "alsa_output.*" },
  73         { "api.alsa.card.id", "=", "wm8524audio" },
  74       },
  75       {
  76         -- rcarsound
  77         { "node.name", "matches", "alsa_output.*" },
  78         { "api.alsa.card.id", "=", "rcarsound" },
  79         { "api.alsa.pcm.device", "=", "0" },
  80       },
  81       {
  82         -- rpi3
  83         { "node.name", "matches", "alsa_output.*" },
  84         { "api.alsa.pcm.name", "=", "bcm2835 ALSA" },
  85       },
  86     },
  87     apply_properties = {
  88       ["priority.driver"]        = 1100,
  89       ["priority.session"]       = 1100,
  90     }
  91   },
  92
  93   --
  94   -- Same for input devices
  95   --
  96
  97   -- USB card
  98   {
  99     matches = {
 100       {
 101         { "node.name", "matches", "alsa_input.*" },
 102         { "api.alsa.card.driver", "=", "USB-Audio" },
 103       },
 104     },
 105     apply_properties = {
 106       ["priority.driver"]        = 2300,
 107       ["priority.session"]       = 2300,
 108     }
 109   },
 110
 111   -- microchip mic
 112   {
 113     matches = {
 114       {
 115         { "node.name", "matches", "alsa_input.*" },
 116         { "api.alsa.card.id", "=", "ep811ch" },
 117       },
 118     },
 119     apply_properties = {
 120       ["priority.driver"]        = 2200,
 121       ["priority.session"]       = 2200,
 122     }
 123   },
 124
 125   -- well-known internal devices
 126   {
 127     matches = {
 128       {
 129         -- ak4613
 130         { "node.name", "matches", "alsa_input.*" },
 131         { "api.alsa.card.id", "=", "ak4613" },
 132       },
 133       {
 134         -- dra7xx
 135         { "node.name", "matches", "alsa_input.*" },
 136         { "api.alsa.card.id", "=", "DRA7xx-EVM" },
 137       },
 138       {
 139         -- imx8mq
 140         { "node.name", "matches", "alsa_input.*" },
 141         { "api.alsa.card.id", "=", "wm8524audio" },
 142       },
 143       {
 144         -- rcarsound
 145         { "node.name", "matches", "alsa_input.*" },
 146         { "api.alsa.card.id", "=", "rcarsound" },
 147       },
 148     },
 149     apply_properties = {
 150       ["priority.driver"]        = 2100,
 151       ["priority.session"]       = 2100,
 152     }
 153   },
 154 }
 155
 156 function alsa_monitor.enable()
 157   load_monitor("alsa", {
 158     properties = alsa_monitor.properties,
 159     rules = alsa_monitor.rules,
 160   })
 161 end