alsa: add asound.conf sample for Shuttle XS35GT, many thanks to counter

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/audio/alsa/config/asound.conf_double-xs35gt.sample

@@ -0,0 +1,58 @@
+# asound.conf for Shuttle XS35GT
+# http://forum.xbmc.org/showpost.php?p=635394&postcount=330
+# in XBMC, set "audio output device" to custom
+# insert "pcm.both" into the text box
+
+pcm.!default {
+	type plug
+	slave {
+		pcm both
+	}
+}
+
+pcm.both {
+	type route
+	slave {
+		pcm multi
+		channels 4
+	}
+	ttable.0.0 1.0
+	ttable.1.1 1.0
+	ttable.0.2 1.0
+	ttable.1.3 1.0
+}
+
+pcm.multi {
+	type multi
+	slaves.a {
+		pcm tv
+		channels 2
+	}
+	slaves.b {
+		pcm receiver
+		channels 2
+	}
+	bindings.0.slave a
+	bindings.0.channel 0
+	bindings.1.slave a
+	bindings.1.channel 1
+	bindings.2.slave b
+	bindings.2.channel 0
+	bindings.3.slave b
+	bindings.3.channel 1
+}
+
+pcm.receiver {
+	type hw
+	card 0
+	device 0
+	channels 2
+}
+
+pcm.tv {
+	type hw
+	card 1
+	device 7
+	channels 2
+}
+