alsa-mixer: add support for Astro A50 gaming headset

src/modules/alsa/90-pulseaudio.rules

@@ -119,6 +119,8 @@ ATTRS{idVendor}=="1038", ATTRS{idProduct}=="1294", ENV{PULSE_PROFILE_SET}="usb-g
 ATTRS{idVendor}=="1038", ATTRS{idProduct}=="1730", ENV{PULSE_PROFILE_SET}="usb-gaming-headset.conf"
 # Lucidsound LS31
 ATTRS{idVendor}=="2f12", ATTRS{idProduct}=="0109", ENV{PULSE_PROFILE_SET}="usb-gaming-headset.conf"
+# ID 9886:002c is for the Astro A50 Gen4
+ATTRS{idVendor}=="9886", ATTRS{idProduct}=="002c", ENV{PULSE_PROFILE_SET}="usb-gaming-headset.conf"
 
 # ID 1038:1250 is for the Arctis 5
 # ID 1037:12aa is for the Arctis 5 2019

src/modules/alsa/alsa-mixer.c

@@ -4407,6 +4407,8 @@ static int mapping_verify(pa_alsa_mapping *m, const pa_channel_map *bonus) {
         { "iec958-dts-surround-51", N_("Digital Surround 5.1 (IEC958/DTS)") },
         { "hdmi-stereo",            N_("Digital Stereo (HDMI)") },
         { "hdmi-surround-51",       N_("Digital Surround 5.1 (HDMI)") },
+        { "gaming-headset-chat",    N_("Chat") },
+        { "gaming-headset-game",    N_("Game") },
     };
     const char *description_key = m->description_key ? m->description_key : m->name;
 

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

@@ -2,7 +2,7 @@
 auto-profiles = yes
 
 [Mapping analog-chat]
-description = Chat
+description-key = gaming-headset-chat
 device-strings = hw:%f,0,0
 channel-map = left,right
 paths-input = analog-input-mic
@@ -10,7 +10,7 @@ paths-output = steelseries-arctis-output-chat-common
 intended-roles = phone
 
 [Mapping analog-game]
-description = Game
+description-key = gaming-headset-game
 device-strings = hw:%f,1,0
 channel-map = left,right
 paths-output = steelseries-arctis-output-game-common

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

@@ -14,36 +14,51 @@
 # along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
 
 ; USB gaming headset.
-; These headsets usually have 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
+; These headsets usually have two output devices. The first one is meant
+; for voice audio, and the second one is 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.
 ;
 ; Works with:
 ; Steelseries Arctis 7
 ; Steelseries Arctis Pro Wireless.
 ; Lucidsound LS31
+; Astro A50
 ;
 ; See default.conf for an explanation on the directives used here.
 
 [General]
 auto-profiles = yes
 
-[Mapping analog-mono]
+[Mapping mono-chat]
+description-key = gaming-headset-chat
 device-strings = hw:%f,0,0
 channel-map = mono
 paths-output = usb-gaming-headset-output-mono
 paths-input = usb-gaming-headset-input
 intended-roles = phone
 
-[Mapping analog-stereo]
+[Mapping stereo-chat]
+description-key = gaming-headset-chat
+device-strings = hw:%f,0,0
+channel-map = left,right
+paths-output = usb-gaming-headset-output-stereo
+paths-input = usb-gaming-headset-input
+intended-roles = phone
+
+[Mapping stereo-game]
+description-key = gaming-headset-game
 device-strings = hw:%f,1,0
 channel-map = left,right
 paths-output = usb-gaming-headset-output-stereo
 direction = output
 
-[Profile output:analog-mono+output:analog-stereo+input:analog-mono]
-output-mappings = analog-mono analog-stereo
-input-mappings = analog-mono
+[Profile output:mono-chat+output:stereo-game+input:mono-chat]
+output-mappings = mono-chat stereo-game
+input-mappings = mono-chat
+priority = 5100
+
+[Profile output:stereo-game+output:stereo-chat+input:mono-chat]
+output-mappings = stereo-game stereo-chat
+input-mappings = mono-chat
 priority = 5100
-skip-probe = yes