diff --git a/src/soc/amd/picasso/acp.c b/src/soc/amd/picasso/acp.c
index 69982f5dc6..822c48a119 100644
--- a/src/soc/amd/picasso/acp.c
+++ b/src/soc/amd/picasso/acp.c
@@ -15,13 +15,13 @@
 #include <amdblocks/acpimmio.h>
 #include <commonlib/helpers.h>
 
-static void acp_update32(uintptr_t bar, uint32_t reg, uint32_t and_mask, uint32_t or_mask)
+static void acp_update32(uintptr_t bar, uint32_t reg, uint32_t clear, uint32_t set)
 {
 	uint32_t val;
 
 	val = read32((void *)(bar + reg));
-	val &= ~and_mask;
-	val |= or_mask;
+	val &= ~clear;
+	val |= set;
 	write32((void *)(bar + reg), val);
 }