alsa: add copyright blobs and comments to all mixer paths/profile sets

src/modules/alsa/mixer/paths/analog-input-video.conf

@@ -1,4 +1,22 @@
-# For devices, where we have a Video element
+# This file is part of PulseAudio.
+#
+# PulseAudio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2.1 of the
+# License, or (at your option) any later version.
+#
+# PulseAudio is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with PulseAudio; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+
+; For devices where a 'Video' element exists
+;
+; See analog-output.conf.common for an explanation on the directives
 
 [General]
 priority = 70
@@ -28,4 +46,16 @@ volume = merge
 override-map.1 = all
 override-map.2 = all-left,all-right
 
+[Element Mic/Line]
+switch = off
+volume = off
+
+[Element TV Tuner]
+switch = off
+volume = off
+
+[Element FM]
+switch = off
+volume = off
+
 .include analog-input.conf.common