Autoenable dmix by adding basic dmix conf to /etc/asound.conf

Makefile

@@ -9,6 +9,7 @@ programs/sxmo_setpinebacklight:
 install: programs/sxmo_setpineled programs/sxmo_setpinebacklight
 	mkdir -p $(PREFIX)/share/sxmo
 	cp configs/* $(PREFIX)/share/sxmo
+	cp configs/asound.conf /etc/
 
 	mkdir -p $(PREFIX)/bin
 	cp scripts/* $(PREFIX)/bin

configs/asound.conf

@@ -0,0 +1,26 @@
+# Setup Dmix
+pcm.!default {
+        type plug
+        slave.pcm "dmixer"
+}
+
+pcm.dmixer  {
+        type dmix
+        ipc_key 1024
+        slave {
+                pcm "hw:0,0"
+                period_time 0
+                period_size 1024
+                buffer_size 4096
+                rate 44100
+        }
+        bindings {
+                0 0
+                1 1
+        }
+}
+
+ctl.dmixer {
+        type hw
+        card 0
+}

configs/default_alsa_sound.conf

@@ -1,3 +1,4 @@
+# Mute speaker, only output to headphones
 state.sun50ia64audio {
 	control.1 {
 		iface MIXER