diff --git a/test-case/check-alsabat.sh b/test-case/check-alsabat.sh
index f4110ce5b..cb1244613 100755
--- a/test-case/check-alsabat.sh
+++ b/test-case/check-alsabat.sh
@@ -42,6 +42,12 @@ OPT_HAS_ARG['n']=1             OPT_VAL['n']=240000
 OPT_NAME['s']='sof-logger'      OPT_DESC['s']="Open sof-logger trace the data will store at $LOG_ROOT"
 OPT_HAS_ARG['s']=0             OPT_VAL['s']=1
 
+OPT_OPT_lst['t']='tplg'     OPT_DESC_lst['t']='tplg file, default value is env TPLG: $''TPLG'
+OPT_PARM_lst['t']=1         OPT_VALUE_lst['t']="$TPLG"
+
+TESTDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
+TPLGREADER="$TESTDIR"/tools/sof-tplgreader.py
+
 func_opt_parse_option "$@"
 
 pcm_p=${OPT_VAL['p']}
@@ -50,6 +56,7 @@ rate=${OPT_VAL['r']}
 channel_c=${OPT_VAL['C']}
 frequency=${OPT_VAL['f']}
 frames=${OPT_VAL['n']}
+tplg=${OPT_VALUE_lst['t']}
 
 if [ "$pcm_p" = "" ]||[ "$pcm_c" = "" ];
 then
@@ -72,11 +79,83 @@ function __upload_wav_file
     done
 }
 
+set_pga_to_unity_gain()
+{
+    tmp=$(amixer controls | grep "$1" | grep Volume)
+    search="name="
+    cname=${tmp#*$search}
+
+    # Get volume min and step to compute value for cset
+    # for 0 dB gain. The amixer line looks like
+    # "| dBscale-min=-50.00dB,step=1.00dB,mute=1"
+    scale=$(amixer cget name="$cname" | grep "dBscale" || true)
+    search="dBscale-min="
+    tmp=${scale#*$search}
+    min_db="${tmp%%dB*}"
+    search="step="
+    tmp=${scale#*$search}
+    step_db="${tmp%%dB*}"
+
+    # Get multiplied by 100 values by removing decimal dot
+    min_x100="${min_db//.}"
+    step_x100="${step_db//.}"
+    val=$(printf %d "$(((-min_x100) / step_x100))")
+
+    # Apply the computed value for requested gain
+    amixer cset name="$cname" "$val"
+}
+
+set_pgas_list_to_unity_gain()
+{
+    for pga in "$@"; do
+	dlogi "Set $pga"
+	set_pga_to_unity_gain "$pga"
+    done
+}
+
+get_snd_base()
+{
+    # Converts e.g. string hw:1,0 to /dev/snd/pcmC1D0
+    # the p or c for playback or capture is appended
+    # in the calling function.
+    tmp=${1#*"hw:"}
+    ncard="${tmp%%,*}"
+    ndevice="${tmp#*,}"
+    echo "/dev/snd/pcmC${ncard}D${ndevice}"
+}
+
+get_play_snd()
+{
+    tmp=$(get_snd_base "$1")
+    echo "${tmp}"p
+}
+
+get_capture_snd()
+{
+    tmp=$(get_snd_base "$1")
+    echo "${tmp}"c
+}
+
 # check the PCMs before alsabat test
 dlogi "check the PCMs before alsabat test"
 aplay   -Dplug$pcm_p -d 1 /dev/zero -q || die "Failed to play on PCM: $pcm_p"
 arecord -Dplug$pcm_c -d 1 /dev/null -q || die "Failed to capture on PCM: $pcm_c"
 
+# Set PGAs for PCMs to 0 dB value
+test -n "$(command -v "$TPLGREADER")" ||
+    die "Command $TPLGREADER is not available."
+
+test -n "$tplg" || die "Use -t or set environment variable TPLG to current topology"
+tplg_full_path=$(func_lib_get_tplg_path "$tplg")
+dlogi "Getting playback PGA information"
+play_snd=$(get_play_snd "$pcm_p")
+PLAY_PGAS=$($TPLGREADER "$tplg_full_path" -f "snd:$play_snd" -d pga -v)
+set_pgas_list_to_unity_gain $PLAY_PGAS
+dlogi "Getting capture PGA information"
+cap_snd=$(get_capture_snd "$pcm_c")
+CAP_PGAS=$($TPLGREADER "$tplg_full_path" -f "snd:$cap_snd" -d pga -v)
+set_pgas_list_to_unity_gain $CAP_PGAS
+
 # alsabat test
 # hardcode the channel number of playback to 2, as sof doesnot support mono wav.
 dlogc "alsabat -P$pcm_p --standalone -n $frames -r $rate -c 2 -F $frequency"