contrib: add example rules script

Author: Ella-0

contrib/libudev-zero-rules-helper.sh

@@ -0,0 +1,15 @@
+#!/bin/sh -e
+
+if [ "$SUBSYSTEM" = "sound" ]
+then
+    if printf '%s' "$SYSNAME" | grep '^card' > /dev/null
+    then
+        printf 'SOUND_INITIALIZED=1\n'
+    fi
+
+    if printf '%s' "$SYSNAME" | grep '^pcmC.*D2c$' > /dev/null \
+        && grep '^AppleJ' "$SYSPATH/device/id" 2>/dev/null
+    then
+        printf 'ACP_IGNORE=1\n'
+    fi
+fi