From f10c04e8da06415c239fd62b9a41a89931994063 Mon Sep 17 00:00:00 2001
From: Jeremy Kescher <jeremy@kescher.at>
Date: Thu, 4 Jul 2024 02:08:08 +0200
Subject: [PATCH] USB-Audio: Add support for Solid State Labs SSL 2+

Closes: https://github.com/alsa-project/alsa-ucm-conf/pull/429
Signed-off-by: Jeremy Kescher <jeremy@kescher.at>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 .../SolidStateLabs/SSL2Plus-HiFi.conf         | 102 ++++++++++++++++++
 ucm2/USB-Audio/SolidStateLabs/SSL2Plus.conf   |  11 ++
 ucm2/USB-Audio/USB-Audio.conf                 |  11 ++
 3 files changed, 124 insertions(+)
 create mode 100644 ucm2/USB-Audio/SolidStateLabs/SSL2Plus-HiFi.conf
 create mode 100644 ucm2/USB-Audio/SolidStateLabs/SSL2Plus.conf

diff --git a/ucm2/USB-Audio/SolidStateLabs/SSL2Plus-HiFi.conf b/ucm2/USB-Audio/SolidStateLabs/SSL2Plus-HiFi.conf
new file mode 100644
index 00000000..d07e4998
--- /dev/null
+++ b/ucm2/USB-Audio/SolidStateLabs/SSL2Plus-HiFi.conf
@@ -0,0 +1,102 @@
+Include.pcm_split.File "/common/pcm/split.conf"
+
+Macro [
+	{
+		SplitPCM {
+			Name "ssl2plus_stereo_out"
+			Direction Playback
+			Channels 2
+			HWChannels 4
+			HWChannelPos0 FL
+			HWChannelPos1 FR
+			HWChannelPos2 FL
+			HWChannelPos3 FR
+		}
+	}
+	{
+		SplitPCM {
+			Name "ssl2plus_mono_in"
+			Direction Capture
+			Channels 1
+			HWChannels 2
+			HWChannelPos0 MONO
+			HWChannelPos1 MONO
+		}
+	}
+]
+
+SectionDevice."Line1" {
+	Comment "Line Outputs 1/L + 2/R"
+
+	EnableSequence [
+		cdev "hw:${CardId}"
+	]
+
+	DisableSequence [
+		cdev "hw:${CardId}"
+	]
+
+	Value {
+		PlaybackPriority 200
+	}
+	Macro.pcm_split.SplitPCMDevice {
+		Name "ssl2plus_stereo_out"
+		Direction Playback
+		HWChannels 4
+		Channels 2
+		Channel0 0
+		Channel1 1
+		ChannelPos0 FL
+		ChannelPos1 FR
+	}
+}
+
+SectionDevice."Line2" {
+	Comment "Line Outputs 3 + 4"
+
+	Value {
+		PlaybackPriority 100
+	}
+	Macro.pcm_split.SplitPCMDevice {
+		Name "ssl2plus_stereo_out"
+		Direction Playback
+		HWChannels 4
+		Channels 2
+		Channel0 2
+		Channel1 3
+		ChannelPos0 FL
+		ChannelPos1 FR
+	}
+}
+
+SectionDevice."Mic1" {
+	Comment "Mic/Line/Inst 1"
+
+	Value {
+		CapturePriority 200
+	}
+	Macro.pcm_split.SplitPCMDevice {
+		Name "ssl2plus_mono_in"
+		Direction Capture
+		HWChannels 2
+		Channels 1
+		Channel0 0
+		ChannelPos0 MONO
+	}
+}
+
+SectionDevice."Mic2" {
+	Comment "Mic/Line/Inst 2"
+
+	Value {
+		CapturePriority 100
+	}
+	Macro.pcm_split.SplitPCMDevice {
+		Name "ssl2plus_mono_in"
+		Direction Capture
+		HWChannels 2
+		Channels 1
+		Channel0 1
+		ChannelPos0 MONO
+	}
+}
diff --git a/ucm2/USB-Audio/SolidStateLabs/SSL2Plus.conf b/ucm2/USB-Audio/SolidStateLabs/SSL2Plus.conf
new file mode 100644
index 00000000..2ffe4c4b
--- /dev/null
+++ b/ucm2/USB-Audio/SolidStateLabs/SSL2Plus.conf
@@ -0,0 +1,11 @@
+Comment "Solid State Labs SSL 2+"
+
+SectionUseCase."HiFi" {
+	Comment "HiFi"
+	File "/USB-Audio/SolidStateLabs/SSL2Plus-HiFi.conf"
+}
+
+Define.DirectPlaybackChannels 4
+Define.DirectCaptureChannels 2
+
+Include.dhw.File "/common/direct.conf"
diff --git a/ucm2/USB-Audio/USB-Audio.conf b/ucm2/USB-Audio/USB-Audio.conf
index ac85a180..0e12d2d4 100644
--- a/ucm2/USB-Audio/USB-Audio.conf
+++ b/ucm2/USB-Audio/USB-Audio.conf
@@ -395,6 +395,17 @@ If.ssl2 {
 	}
 }
 
+If.ssl2plus {
+	Condition {
+		Type String
+		Haystack "${CardComponents}"
+		Needle "USB31e9:0002"
+	}
+	True.Define {
+		ProfileName "SolidStateLabs/SSL2Plus"
+	}
+}
+
 If.mixremap {
 	Condition {
 		Type String