ipc4: add updwmix module support

src/audio/CMakeLists.txt

@@ -125,6 +125,9 @@ if(NOT CONFIG_LIBRARY)
 	if(CONFIG_COMP_ARIA)
 		add_subdirectory(aria)
 	endif()
+	if(CONFIG_COMP_UP_DOWN_MIXER)
+		add_subdirectory(up_down_mixer)
+	endif()
 	subdirs(pipeline)
 
 	return()

src/audio/Kconfig

@@ -37,6 +37,20 @@ config COMP_VOLUME
 	help
 	  Select for Volume component
 
+config COMP_UP_DOWN_MIXER
+	bool "UP_DOWN_MIXER component"
+	default n
+        depends on IPC_MAJOR_4
+        help
+         Select for Up Down Mixer component Conversions supported:
+         Up/Downmixing for stereo output:
+         1, 2, 2.1, 3.0, 3.1, Quatro, 4.0, 5.0, 5.1, 7.1 -> 2
+         Upmixing for multichannel output:
+         1, 2 -> 5.1
+         2 -> 7.1
+         Downmixing for mono output:
+         4.0, Quatro, 3.1, 2 -> 1
+
 if COMP_VOLUME
 
 config COMP_VOLUME_WINDOWS_FADE

src/audio/up_down_mixer/CMakeLists.txt

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+add_local_sources(sof up_down_mixer.c)
+add_local_sources(sof up_down_mixer_hifi3.c)