From 9edeb226f2b6bbdc06659150259c17bab85f940d Mon Sep 17 00:00:00 2001
From: Marc Herbert <marc.herbert@intel.com>
Date: Tue, 11 Jun 2024 19:10:24 +0000
Subject: [PATCH] volume.h: disable HIFI4 for ACE1.5

Avoids quality issue #9213.

Signed-off-by: Marc Herbert <marc.herbert@intel.com>
---
 src/audio/volume/volume.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/audio/volume/volume.h b/src/audio/volume/volume.h
index 2076412549b6..b1f1fc8cd8fc 100644
--- a/src/audio/volume/volume.h
+++ b/src/audio/volume/volume.h
@@ -31,6 +31,12 @@
 #include <ipc4/fw_reg.h>
 #endif
 
+/* Disable HIFI4, see issue https://github.com/thesofproject/sof/issues/9213 */
+#if defined(CONFIG_ACE_VERSION_1_5) && defined(__XCC__)
+#  undef  SOF_MAX_XCHAL_HIFI
+#  define SOF_MAX_XCHAL_HIFI 3
+#endif
+
 struct comp_buffer;
 struct sof_ipc_ctrl_value_chan;