alsa-mixer: add support for Steelseries Arctis 7 headset

src/modules/alsa/alsa-mixer.c

@@ -2469,6 +2469,7 @@ static int path_verify(pa_alsa_path *p) {
         { "analog-input-video",         N_("Video") },
         { "analog-output",              N_("Analog Output") },
         { "analog-output-headphones",   N_("Headphones") },
+        { "analog-output-headphones-mono",    N_("Headphones Mono Output") },
         { "analog-output-lfe-on-mono",  N_("LFE on Separate Mono Output") },
         { "analog-output-lineout",      N_("Line Out") },
         { "analog-output-mono",         N_("Analog Mono Output") },

src/modules/alsa/mixer/paths/steelseries-arctis-input.conf

@@ -0,0 +1,25 @@
+# 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, see <http://www.gnu.org/licenses/>.
+
+; Steelseries Arctis 7 USB headset microphone path.
+
+[General]
+description-key = analog-input-microphone-headset
+
+[Element Headset]
+volume = merge
+switch = mute
+override-map.1 = all
+override-map.2 = all-left,all-right

src/modules/alsa/mixer/paths/steelseries-arctis-output-mono.conf

@@ -0,0 +1,29 @@
+# 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, see <http://www.gnu.org/licenses/>.
+
+; Steelseries Arctis 7 USB headset mono output path. The headset has two
+; output devices. The first one is mono, meant for voice audio, and the
+; second one is stereo, meant for everything else. The purpose of this
+; unusual design is to provide separate volume controls for voice and
+; other audio, which can be useful in gaming.
+
+[General]
+description-key = analog-output-headphones-mono
+
+[Element PCM]
+volume = merge
+switch = mute
+override-map.1 = all
+override-map.2 = all-left,all-right

src/modules/alsa/mixer/paths/steelseries-arctis-output-stereo.conf

@@ -0,0 +1,27 @@
+# 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, see <http://www.gnu.org/licenses/>.
+
+; Steelseries Arctis 7 USB headset stereo output path. The headset has two
+; output devices. The first one is mono, meant for voice audio, and the
+; second one is stereo, meant for everything else. The purpose of this
+; unusual design is to provide separate volume controls for voice and
+; other audio, which can be useful in gaming.
+;
+; This path doesn't provide hardware volume control, because the stereo
+; output is controlled by the PCM element with index 1, and currently
+; PulseAudio only supports elements with index 0.
+
+[General]
+description-key = analog-output-headphones

src/modules/alsa/mixer/profile-sets/90-pulseaudio.rules

@@ -99,5 +99,6 @@ ATTRS{idVendor}=="0763", ATTRS{idProduct}=="2012", ENV{PULSE_PROFILE_SET}="maudi
 ATTRS{idVendor}=="045e", ATTRS{idProduct}=="02bb", ENV{PULSE_PROFILE_SET}="kinect-audio.conf"
 ATTRS{idVendor}=="041e", ATTRS{idProduct}=="322c", ENV{PULSE_PROFILE_SET}="sb-omni-surround-5.1.conf"
 ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="4014", ENV{PULSE_PROFILE_SET}="dell-dock-tb16-usb-audio.conf"
+ATTRS{idVendor}=="1038", ATTRS{idProduct}=="1260", ENV{PULSE_PROFILE_SET}="steelseries-arctis-usb-audio.conf"
 
 LABEL="pulseaudio_end"

src/modules/alsa/mixer/profile-sets/steelseries-arctis-usb-audio.conf

@@ -0,0 +1,43 @@
+# 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, see <http://www.gnu.org/licenses/>.
+
+; Steelseries Arctis 7 USB headset. The headset has a microphone and two output
+; devices. The first output device is mono, meant for voice audio, and the
+; second one is stereo, meant for everything else. The purpose of this unusual
+; design is to provide separate volume controls for voice and other audio,
+; which can be useful in gaming.
+;
+; See default.conf for an explanation on the directives used here.
+
+[General]
+auto-profiles = yes
+
+[Mapping analog-mono]
+device-strings = hw:%f,0,0
+channel-map = mono
+paths-output = steelseries-arctis-output-mono
+paths-input = steelseries-arctis-input
+
+[Mapping analog-stereo]
+device-strings = hw:%f,1,0
+channel-map = left,right
+paths-output = steelseries-arctis-output-stereo
+direction = output
+
+[Profile output:analog-mono+output:analog-stereo+input:analog-mono]
+output-mappings = analog-mono analog-stereo
+input-mappings = analog-mono
+priority = 5100
+skip-probe = yes