alsa-mixer: Add an explicit profile-set for Audigy devices

These lost analog-mono support when we made that a fallback profile, as
the stereo-fallback would be picked up as the only input profile, and
that does not work in duplex mode.

Fixes: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/750

src/Makefile.am

@@ -1353,6 +1353,7 @@ dist_alsaprofilesets_DATA = \
 		modules/alsa/mixer/profile-sets/default.conf \
 		modules/alsa/mixer/profile-sets/force-speaker.conf \
 		modules/alsa/mixer/profile-sets/force-speaker-and-int-mic.conf \
+		modules/alsa/mixer/profile-sets/audigy.conf \
 		modules/alsa/mixer/profile-sets/maudio-fasttrack-pro.conf \
 		modules/alsa/mixer/profile-sets/native-instruments-audio4dj.conf \
 		modules/alsa/mixer/profile-sets/native-instruments-audio8dj.conf \

src/modules/alsa/90-pulseaudio.rules

@@ -19,6 +19,7 @@ SUBSYSTEM!="sound", GOTO="pulseaudio_end"
 ACTION!="change", GOTO="pulseaudio_end"
 KERNEL!="card*", GOTO="pulseaudio_end"
 SUBSYSTEMS=="usb", GOTO="pulseaudio_check_usb"
+SUBSYSTEMS=="pci", GOTO="pulseaudio_check_pci"
 SUBSYSTEMS=="firewire", GOTO="pulseaudio_firewire_quirk"
 
 SUBSYSTEMS=="platform", DRIVERS=="thinkpad_acpi", ENV{PULSE_IGNORE}="1"
@@ -143,6 +144,16 @@ ATTRS{idVendor}=="0951", ATTRS{idProduct}=="1703", ENV{ID_ID}="usb-HyperX_Cloud_
 
 GOTO="pulseaudio_end"
 
+LABEL="pulseaudio_check_pci"
+
+# Creative SoundBlaster Audigy-based cards
+# EMU10k2/CA0100/CA0102/CA10200
+ATTRS{vendor}=="0x1102", ATTRS{device}=="0x0004", ENV{PULSE_PROFILE_SET}="audigy.conf"
+# CA0108/CA10300
+ATTRS{vendor}=="0x1102", ATTRS{device}=="0x0008", ENV{PULSE_PROFILE_SET}="audigy.conf"
+
+GOTO="pulseaudio_end"
+
 LABEL="pulseaudio_firewire_quirk"
 
 # Focusrite Saffire Pro 10/26 i/o has a quirk to disappear from IEEE 1394 bus when losing connections.

src/modules/alsa/mixer/profile-sets/audigy.conf

@@ -0,0 +1,94 @@
+# 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/>.
+
+; Creative Sound Blaster Audigy product line
+;
+; These are just copies of the mappings we find in default.conf, with the
+; small change of making analog-stereo and analog-mono non-fallback mappings.
+; This is needed because these cards only support duplex profiles with mono
+; inputs, and in the default configuration, with stereo being a fallback
+; mapping, the mono mapping is never tried.
+;
+; See default.conf for an explanation on the directives used here.
+
+[General]
+auto-profiles = yes
+
+# Based on stereo-fallback
+[Mapping analog-stereo]
+device-strings = hw:%f
+channel-map = front-left,front-right
+paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-headphones analog-output-headphones-2
+paths-input = analog-input-front-mic analog-input-rear-mic analog-input-internal-mic analog-input-dock-mic analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line analog-input-headphone-mic analog-input-headset-mic
+priority = 1
+
+# Based on mono-fallback
+[Mapping analog-mono]
+device-strings = hw:%f
+channel-map = mono
+paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-headphones analog-output-headphones-2 analog-output-mono
+paths-input = analog-input-front-mic analog-input-rear-mic analog-input-internal-mic analog-input-dock-mic analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line analog-input-headset-mic
+priority = 1
+
+# The rest of these are identical to what's in default.conf
+[Mapping analog-surround-21]
+device-strings = surround21:%f
+channel-map = front-left,front-right,lfe
+paths-output = analog-output analog-output-lineout analog-output-speaker
+priority = 13
+direction = output
+
+[Mapping analog-surround-40]
+device-strings = surround40:%f
+channel-map = front-left,front-right,rear-left,rear-right
+paths-output = analog-output analog-output-lineout analog-output-speaker
+priority = 12
+direction = output
+
+[Mapping analog-surround-41]
+device-strings = surround41:%f
+channel-map = front-left,front-right,rear-left,rear-right,lfe
+paths-output = analog-output analog-output-lineout analog-output-speaker
+priority = 13
+direction = output
+
+[Mapping analog-surround-50]
+device-strings = surround50:%f
+channel-map = front-left,front-right,rear-left,rear-right,front-center
+paths-output = analog-output analog-output-lineout analog-output-speaker
+priority = 12
+direction = output
+
+[Mapping analog-surround-51]
+device-strings = surround51:%f
+channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe
+paths-output = analog-output analog-output-lineout analog-output-speaker
+priority = 13
+direction = output
+
+[Mapping analog-surround-71]
+device-strings = surround71:%f
+channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right
+description = Analog Surround 7.1
+paths-output = analog-output analog-output-lineout analog-output-speaker
+priority = 12
+direction = output
+
+[Mapping iec958-stereo]
+device-strings = iec958:%f
+channel-map = left,right
+paths-input = iec958-stereo-input
+paths-output = iec958-stereo-output
+priority = 5