From: Maciej Strozek <mstrozek@opensource.cirrus.com>
Date: Wed, 8 Oct 2025 13:19:33 +0000 (+0100)
Subject: ucm2: soundwire: cs42l45: Add support for CS42L45 codec
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=f47b9418c81a19869b290a1eb040a2dc2fdc97b1;p=alsa-ucm-conf.git

ucm2: soundwire: cs42l45: Add support for CS42L45 codec

cs42l45 SDCA codec includes headphone playback with headset and DMIC input.

Closes: https://github.com/alsa-project/alsa-ucm-conf/pull/629
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/ucm2/codecs/cs42l45-dmic/init.conf b/ucm2/codecs/cs42l45-dmic/init.conf
new file mode 100644
index 0000000..88b19c8
--- /dev/null
+++ b/ucm2/codecs/cs42l45-dmic/init.conf
@@ -0,0 +1,9 @@
+# cs42l45 specific control settings
+
+BootSequence [
+	cset "name='cs42l45 FU 113 Mute Switch' 0"
+]
+
+Macro [
+	{ SetLED { LED="mic" Action="attach" CtlId="cs42l45 FU 113 Mute Switch" } }
+]
diff --git a/ucm2/sof-soundwire/cs42l45-dmic.conf b/ucm2/sof-soundwire/cs42l45-dmic.conf
new file mode 100644
index 0000000..9477cba
--- /dev/null
+++ b/ucm2/sof-soundwire/cs42l45-dmic.conf
@@ -0,0 +1,24 @@
+# Use case Configuration for sof-soundwire card
+
+SectionDevice."Mic" {
+	Comment "Microphones"
+
+	ConflictingDevice [
+		"Headset"
+	]
+
+	EnableSequence [
+		cset "name='cs42l45 FU 113 Mute Switch' 0"
+	]
+
+	DisableSequence [
+		cset "name='cs42l45 FU 113 Mute Switch' 1"
+	]
+
+	Value {
+		CapturePriority 100
+		CapturePCM "hw:${CardId},4"
+		CaptureMixer "default:${CardId}"
+		CaptureVolume "cs42l45 FU 113 Channel Volume"
+	}
+}
diff --git a/ucm2/sof-soundwire/cs42l45.conf b/ucm2/sof-soundwire/cs42l45.conf
new file mode 100644
index 0000000..8e6a8da
--- /dev/null
+++ b/ucm2/sof-soundwire/cs42l45.conf
@@ -0,0 +1,41 @@
+# Use case Configuration for sof-soundwire card
+
+SectionDevice."Headphones" {
+	Comment "Headphones"
+
+	EnableSequence [
+		cset "name='cs42l45 FU 41 Mute Switch' 0"
+	]
+
+	DisableSequence [
+		cset "name='cs42l45 FU 41 Mute Switch' 1"
+	]
+
+	Value {
+		PlaybackPriority 200
+		PlaybackPCM "hw:${CardId},0"
+		PlaybackMixer "default:${CardId}"
+		PlaybackVolume "cs42l45 FU 41 Channel Volume"
+		JackControl "Headphone Jack"
+	}
+}
+
+SectionDevice."Headset" {
+	Comment "Headset Microphone"
+
+	EnableSequence [
+		cset "name='cs42l45 FU 36 Mute Switch' 0"
+	]
+
+	DisableSequence [
+		cset "name='cs42l45 FU 36 Mute Switch' 1"
+	]
+
+	Value {
+		CapturePriority 200
+		CapturePCM "hw:${CardId},1"
+		CaptureMixer "default:${CardId}"
+		CaptureVolume "cs42l45 FU 36 Channel Volume"
+		JackControl "Headset Mic Jack"
+	}
+}
diff --git a/ucm2/sof-soundwire/sof-soundwire.conf b/ucm2/sof-soundwire/sof-soundwire.conf
index 173749c..769a152 100644
--- a/ucm2/sof-soundwire/sof-soundwire.conf
+++ b/ucm2/sof-soundwire/sof-soundwire.conf
@@ -123,7 +123,7 @@ If.hs_init {
 If.mic_init {
 	Condition {
 		Type RegexMatch
-		Regex "(cs42l43-dmic|rt712-dmic|rt713-dmic|rt715(-sdca)?)"
+		Regex "(cs42l43-dmic|cs42l45-dmic|rt712-dmic|rt713-dmic|rt715(-sdca)?)"
 		String "${var:MicCodec1}"
 	}
 	True.Include.mic_init.File "/codecs/${var:MicCodec1}/init.conf"