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-rw-r--r--chip/npcx/system.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/chip/npcx/system.c b/chip/npcx/system.c
index c3cace0fb9..c6440134ad 100644
--- a/chip/npcx/system.c
+++ b/chip/npcx/system.c
@@ -722,6 +722,14 @@ void system_pre_init(void)
*/
system_mpu_config();
+ /*
+ * Change FMUL_WIN_DLY from 0x8A to 0x81 for better WoV
+ * audio quality.
+ */
+#ifdef CHIP_FAMILY_NPCX7
+ NPCX_FMUL_WIN_DLY = 0x81;
+#endif
+
#ifdef CONFIG_CHIP_PANIC_BACKUP
chip_panic_data_restore();
#endif