From 16dd7fbeb68b05cf463d052078f01dbe41f0efb4 Mon Sep 17 00:00:00 2001
From: Dmitry Osipenko <digetx@gmail.com>
Date: Thu, 20 May 2021 08:30:47 +0300
Subject: [PATCH] tegra: Add UCM for Acer Iconia Tab A500

Acer Iconia Tab A500 is a tablet device which is powered by NVIDIA Tegra20
SoC, it has WM8903 audio CODEC. The device has built-in 2-channel speaker,
built-in mono microphone and 4-pin 3.5mm jack for headphones and headset.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 .../wm8903/Acer Iconia Tab A500 WM8903.conf   | 114 ++++++++++++++++++
 .../tegra/Acer Iconia Tab A500 WM8903.conf    |   8 ++
 2 files changed, 122 insertions(+)
 create mode 100644 ucm2/Tegra/wm8903/Acer Iconia Tab A500 WM8903.conf
 create mode 100644 ucm2/conf.d/tegra/Acer Iconia Tab A500 WM8903.conf

diff --git a/ucm2/Tegra/wm8903/Acer Iconia Tab A500 WM8903.conf b/ucm2/Tegra/wm8903/Acer Iconia Tab A500 WM8903.conf
new file mode 100644
index 0000000..4615fa4
--- /dev/null
+++ b/ucm2/Tegra/wm8903/Acer Iconia Tab A500 WM8903.conf	
@@ -0,0 +1,114 @@
+# Use case Configuration for Acer Iconia Tab A500
+
+SectionVerb {
+	EnableSequence [
+		# WM8903 Output Configuration
+		cset "name='Digital Playback Volume' 80"
+		cset "name='Headphone Volume' 42"
+		cset "name='Line Out Volume' 42"
+		cset "name='DAC Boost Volume' 0"
+
+		# WM8903 Output Routing
+		cset "name='Left Output Mixer DACL Switch' on"
+		cset "name='Left Output Mixer DACR Switch' off"
+		cset "name='Right Output Mixer DACL Switch' off"
+		cset "name='Right Output Mixer DACR Switch' on"
+
+		# WM8903 Input Configuration
+		cset "name='Digital Capture Volume' 120"
+		cset "name='DRC Compressor Threshold Volume' 124"
+		cset "name='DRC Compressor Slope R0' 1"
+		cset "name='DRC Compressor Slope R1' 1"
+		cset "name='DRC Maximum Gain Volume' 1"
+		cset "name='DRC Minimum Gain Volume' 0"
+		cset "name='DRC Volume' 13"
+
+		# WM8903 Input Routing
+		cset "name='Left Input PGA Switch' on"
+		cset "name='Right Input PGA Switch' on"
+
+		# Tegra-specific switches
+		cset "name='Int Spk Switch' on"
+		cset "name='Int Mic Switch' on"
+	]
+}
+
+SectionDevice."Speakers" {
+	Comment "Speakers"
+
+	ConflictingDevice [
+		"Headphones"
+	]
+
+	EnableSequence [
+		cset "name='Headphone Switch' off"
+		cset "name='Line Out Switch' on"
+	]
+
+	Value {
+		PlaybackPCM "hw:${CardId}"
+		PlaybackMixerElem "Line Out"
+	}
+}
+
+SectionDevice."Headphones" {
+	Comment "Headphones"
+
+	ConflictingDevice [
+		"Speakers"
+	]
+
+	EnableSequence [
+		cset "name='Line Out Switch' off"
+		cset "name='Headphone Switch' on"
+	]
+
+	Value {
+		PlaybackPCM "hw:${CardId}"
+		PlaybackMixerElem "Headphone"
+		JackControl "Headphone Jack"
+	}
+}
+
+SectionDevice."InternalMic" {
+	Comment "Internal Microphone"
+
+	ConflictingDevice [
+		"HeadsetMic"
+	]
+
+	EnableSequence [
+		cset "name='Left Input PGA Volume' 31"
+		cset "name='Right Input PGA Volume' 31"
+		cset "name='Left Input Inverting Mux' IN1L"
+		cset "name='Right Input Inverting Mux' IN1R"
+		cset "name='DRC Switch' on"
+	]
+
+	Value {
+		CapturePCM "hw:${CardId}"
+		CaptureMixerElem "Digital"
+	}
+}
+
+SectionDevice."HeadsetMic" {
+	Comment "Headset Microphone"
+
+	ConflictingDevice [
+		"InternalMic"
+	]
+
+	EnableSequence [
+		cset "name='Left Input PGA Volume' 25"
+		cset "name='Right Input PGA Volume' 25"
+		cset "name='Left Input Inverting Mux' IN2L"
+		cset "name='Right Input Inverting Mux' IN2R"
+		cset "name='DRC Switch' off"
+	]
+
+	Value {
+		CapturePCM "hw:${CardId}"
+		CaptureMixerElem "Digital"
+		JackControl "Mic Jack"
+	}
+}
diff --git a/ucm2/conf.d/tegra/Acer Iconia Tab A500 WM8903.conf b/ucm2/conf.d/tegra/Acer Iconia Tab A500 WM8903.conf
new file mode 100644
index 0000000..1489344
--- /dev/null
+++ b/ucm2/conf.d/tegra/Acer Iconia Tab A500 WM8903.conf	
@@ -0,0 +1,8 @@
+# Use case Configuration for Acer Iconia Tab A500
+
+Syntax 4
+
+SectionUseCase."HiFi" {
+	File "/Tegra/wm8903/Acer Iconia Tab A500 WM8903.conf"
+	Comment "Play HiFi quality Music"
+}
-- 
2.47.1