alsa-mixer: Whoops, forgot to git-add this in a previous.

src/modules/alsa/mixer/profile-sets/usb-headset.conf

@@ -0,0 +1,35 @@
+# 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.
+
+; This is a workaround - these usb headsets have one output volume control only, labeled "Speaker".
+; This causes the default profile set to not control the volume at all, which is a bug.
+
+[General]
+auto-profiles = yes
+
+[Mapping analog-mono]
+device-strings = hw:%f
+channel-map = mono
+paths-output = analog-output-speaker
+paths-input = analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line
+priority = 1
+
+[Mapping analog-stereo]
+device-strings = front:%f hw:%f
+channel-map = left,right
+paths-output = analog-output-speaker
+paths-input = analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line
+priority = 10