mako: Add a low-latency path for voice streams in the HiFi case

This adds a low-latency modifier that can be used for voice and
potentially other low-latency streams.

1 files changed, 30 insertions, 0 deletions

diff --git a/data/alsa/ucm/apq8064-tabla-snd-card/HiFi b/data/alsa/ucm/apq8064-tabla-snd-card/HiFi
index 3611bd2..3eb87ae 100644
--- a/data/alsa/ucm/apq8064-tabla-snd-card/HiFi
+++ b/data/alsa/ucm/apq8064-tabla-snd-card/HiFi
@@ -276,3 +276,33 @@ SectionDevice."HandsetMic" {
 		CaptureChannels "1"
 	}
 }
+
+SectionModifier."PlayVoice" {
+	Comment "Low latency path for voice"
+
+	SupportedDevice [
+		"Earpiece"
+		"Headphones"
+		"Speaker"
+	]
+
+	EnableSequence [
+		cdev "hw:apq8064tablasnd"
+
+		cset "name='SLIMBUS_0_RX Audio Mixer MultiMedia5' 1"
+
+	]
+
+	DisableSequence [
+		cdev "hw:apq8064tablasnd"
+
+		cset "name='SLIMBUS_0_RX Audio Mixer MultiMedia5' 0"
+	]
+
+	Value {
+		CapturePCM "hw:apq8064tablasnd,14"
+		PlaybackPCM "hw:apq8064tablasnd,14"
+
+		PulseAudioSinkModargs "ignore_dB=yes tsched_buffer_size=1920"
+	}
+}