saving uncommitted changes in /etc prior to emerge run

conf.d/alsasound

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+# ENABLE_OSS_EMUL:
+# Do you want to enable in-kernel oss emulation?
+# no - Do not load oss emul drivers
+# yes - Load oss emul drivers if they're found
+
+ENABLE_OSS_EMUL="yes"
+
+# RESTORE_ON_START:
+# Do you want to restore your mixer settings?  If not, your cards will be
+# muted.
+# no - Do not restore state
+# yes - Restore state
+
+RESTORE_ON_START="yes"
+
+# SAVE_ON_STOP:
+# Do you want to save changes made to your mixer volumes when alsasound
+# stops? 
+# no - Do not save state
+# yes - Save state
+
+SAVE_ON_STOP="yes"
+
+# LOAD_ON_START:
+# Do you want to load sound modules when alsasound starts?
+# Note: The Gentoo ALSA developers encourage you to build your sound 
+#       drivers into the kernel unless the device is hotpluggable or 
+#       you need to supply specific options (such as model= to HD-Audio).
+# no - Do not load modules
+# yes - Load modules
+LOAD_ON_START="yes"