diff --git a/case-lib/lib.sh b/case-lib/lib.sh
index 376743dc..f6a63410 100644
--- a/case-lib/lib.sh
+++ b/case-lib/lib.sh
@@ -827,13 +827,17 @@ set_alsa_settings()
     esac
 }
 
-reset_PGA_volume()
+reset_sof_volume()
 {
     # set all PGA* volume to 0dB
-    amixer -Dhw:0 scontrols | sed -e "s/^.*'\(.*\)'.*/\1/" |grep PGA |
+    amixer -Dhw:0 scontrols | sed -e "s/^.*'\(.*\)'.*/\1/" |grep -E 'PGA|gain' |
     while read -r mixer_name
     do
-        amixer -Dhw:0 -- sset "$mixer_name" 0dB
+        if is_ipc4; then
+            amixer -Dhw:0 -- sset "$mixer_name" 100%
+        else
+            amixer -Dhw:0 -- sset "$mixer_name" 0dB
+        fi
     done
 }
 
diff --git a/test-case/check-alsabat.sh b/test-case/check-alsabat.sh
index 96c0e753..c6e9c0b7 100755
--- a/test-case/check-alsabat.sh
+++ b/test-case/check-alsabat.sh
@@ -68,6 +68,9 @@ fi
 
 check_locale_for_alsabat
 
+# reset sof volume to 0dB
+reset_sof_volume
+
 # If MODEL is defined, set proper gain for the platform
 if [ -z "$MODEL" ]; then
     # treat as warning only
diff --git a/test-case/volume-basic-test.sh b/test-case/volume-basic-test.sh
index 2199ce42..6a378c27 100755
--- a/test-case/volume-basic-test.sh
+++ b/test-case/volume-basic-test.sh
@@ -90,4 +90,4 @@ done
 pkill -9 aplay
 
 dlogi "Reset all PGA volume to 0dB"
-reset_PGA_volume || die "Failed to reset some PGA volume to 0dB."
+reset_sof_volume || die "Failed to reset some PGA volume to 0dB."