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--- mnretrogamer:os:coreelec:usb_dac [2020/09/08 12:34] – created solarsparq
+++ mnretrogamer:os:coreelec:usb_dac [2023/01/06 10:06] (current) – external edit 127.0.0.1
@@ Line 5: / Line 5: @@
   * reference
     * [[https://discourse.coreelec.org/t/usb-sound-card-as-default-device/1454/6|USB sound card as default device on CoreELEC [08/15/2020]]]
+[[mnretrogamer:sbc:odroid_c4:home_c4|odroid c4]] & [[mnretrogamer:os:coreelec:home_coreelec|coreELEC]] 9.2.4.2\\
+\\
+image = CoreELEC-Amlogic-ng.arm-9.2.4.2-Odroid_C4.img.gz
+<code>
+login as: root
+root@mnretrogamer012's password:
+##############################################
+#                  CoreELEC                  #
+#            https://coreelec.org            #
+##############################################
+CoreELEC (official): 9.2.4.2 (Amlogic-ng.arm)
+mnretrogamer012:~ # aplay -L
+null
+    Discard all samples (playback) or generate zero samples (capture)
+default:CARD=AMLAUGESOUND
+    AML-AUGESOUND,
+    Default Audio Device
+sysdefault:CARD=AMLAUGESOUND
+    AML-AUGESOUND,
+    Default Audio Device
+surround71:CARD=AMLAUGESOUND,DEV=0
+    AML-AUGESOUND,
+.1 Surround output to Front, Center, Side, Rear and Woofer speakers
+iec958:CARD=AMLAUGESOUND,DEV=0
+    AML-AUGESOUND,
+    IEC958 (S/PDIF) Digital Audio Output
+hdmi:CARD=AMLAUGESOUND,DEV=0
+    AML-AUGESOUND,
+    HDMI Audio Output
+default:CARD=M2
+    Modi 2, USB Audio
+    Default Audio Device
+sysdefault:CARD=M2
+    Modi 2, USB Audio
+    Default Audio Device
+front:CARD=M2,DEV=0
+    Modi 2, USB Audio
+    Front speakers
+surround21:CARD=M2,DEV=0
+    Modi 2, USB Audio
+.1 Surround output to Front and Subwoofer speakers
+surround40:CARD=M2,DEV=0
+    Modi 2, USB Audio
+.0 Surround output to Front and Rear speakers
+surround41:CARD=M2,DEV=0
+    Modi 2, USB Audio
+.1 Surround output to Front, Rear and Subwoofer speakers
+surround50:CARD=M2,DEV=0
+    Modi 2, USB Audio
+.0 Surround output to Front, Center and Rear speakers
+surround51:CARD=M2,DEV=0
+    Modi 2, USB Audio
+.1 Surround output to Front, Center, Rear and Subwoofer speakers
+surround71:CARD=M2,DEV=0
+    Modi 2, USB Audio
+.1 Surround output to Front, Center, Side, Rear and Woofer speakers
+iec958:CARD=M2,DEV=0
+    Modi 2, USB Audio
+    IEC958 (S/PDIF) Digital Audio Output
+</code>
+check out the audio configuration; we want device #1 as the default.  CARD=M2.
+<code>
+mnretrogamer012:~ # cat /proc/asound/cards
+[AMLAUGESOUND   ]: AML-AUGESOUND - AML-AUGESOUND
+                      AML-AUGESOUND
+[M2             ]: USB-Audio - Modi 2
+                      Schiit Audio Modi 2 at usb-xhci-hcd.0.auto-1.3, high speed
+</code>
+asound.conf verify & re-configuration -- note, this is not a standard location for asound.conf!
+<code>
+login as: root
+root@mnretrogamer012's password:
+##############################################
+#                  CoreELEC                  #
+#            https://coreelec.org            #
+##############################################
+CoreELEC (official): 9.2.4.2 (Amlogic-ng.arm)
+mnretrogamer012:~ # ls
+backup       emulators    lost+found   pictures     screenshots  videos
+downloads    ip.txt       music        roms         tvshows
+mnretrogamer012:~ # cd .config
+mnretrogamer012:~/.config # pwd
+/storage/.config
+mnretrogamer012:~/.config # ls
+aacs                 modprobe.d           samba.conf.sample
+asound.conf          modules-load.d       sleep.conf.d
+boot.hint            mpv                  sysctl.d
+boot.status          pulse                system.d
+hosts.conf           pulse-daemon.conf.d  timesyncd.conf.d
+hwdb.d               rc_keymaps           tmpfiles.d
+iptables             rc_maps.cfg.sample   udev.rules.d
+logind.conf.d        retroarch            wireguard
+mnretrogamer012:~/.config # cat asound.conf
+pcm.!default {
+type plug
+slave {
+pcm "hw:0,0"
+}
+}
+mnretrogamer012:~/.config # vi asound.conf
+</code>

mn.retrogamer

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