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         -- imx8mq
  67         { "node.name", "matches", "alsa_output.*" },
  68         { "api.alsa.card.id", "=", "wm8524audio" },
  69       },
  70       {
  71         -- rcarsound
  72         { "node.name", "matches", "alsa_output.*" },
  73         { "api.alsa.card.id", "=", "rcarsound" },
  74         { "api.alsa.pcm.device", "=", "0" },
  75       },
  76       {
  77         -- rpi3
  78         { "node.name", "matches", "alsa_output.*" },
  79         { "api.alsa.pcm.name", "=", "bcm2835 ALSA" },
  80       },
  81     },
  82     apply_properties = {
  83       ["priority.driver"]        = 1100,
  84       ["priority.session"]       = 1100,
  85     }
  86   },
  87
  88   --
  89   -- Same for input devices
  90   --
  91
  92   -- USB card
  93   {
  94     matches = {
  95       {
  96         { "node.name", "matches", "alsa_input.*" },
  97         { "api.alsa.card.driver", "=", "USB-Audio" },
  98       },
  99     },
 100     apply_properties = {
 101       ["priority.driver"]        = 2300,
 102       ["priority.session"]       = 2300,
 103     }
 104   },
 105
 106   -- microchip mic
 107   {
 108     matches = {
 109       {
 110         { "node.name", "matches", "alsa_input.*" },
 111         { "api.alsa.card.id", "=", "ep811ch" },
 112       },
 113     },
 114     apply_properties = {
 115       ["priority.driver"]        = 2200,
 116       ["priority.session"]       = 2200,
 117     }
 118   },
 119
 120   -- well-known internal devices
 121   {
 122     matches = {
 123       {
 124         -- ak4613
 125         { "node.name", "matches", "alsa_input.*" },
 126         { "api.alsa.card.id", "=", "ak4613" },
 127       },
 128       {
 129         -- imx8mq
 130         { "node.name", "matches", "alsa_input.*" },
 131         { "api.alsa.card.id", "=", "wm8524audio" },
 132       },
 133       {
 134         -- rcarsound
 135         { "node.name", "matches", "alsa_input.*" },
 136         { "api.alsa.card.id", "=", "rcarsound" },
 137       },
 138     },
 139     apply_properties = {
 140       ["priority.driver"]        = 2100,
 141       ["priority.session"]       = 2100,
 142     }
 143   },
 144 }
 145
 146 function alsa_monitor.enable()
 147   load_monitor("alsa", {
 148     properties = alsa_monitor.properties,
 149     rules = alsa_monitor.rules,
 150   })
 151 end