From b5f052feec329a39d4f176ef07f9b99370c7583d Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Fri, 27 May 2016 11:50:07 +0300
Subject: vsp-lib: Support optional features for tests

Add a third argument to test_init() to pass a list of optional features.
If more than one media device supports all the required features, select
the one that supports the highest number of optional features.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 scripts/vsp-lib.sh | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/scripts/vsp-lib.sh b/scripts/vsp-lib.sh
index c5db772..d48108a 100755
--- a/scripts/vsp-lib.sh
+++ b/scripts/vsp-lib.sh
@@ -460,10 +460,13 @@ format_configure() {
 test_init() {
 	logfile=${1/sh/log}
 	features=$2
+	optional_features=$3
 
 	rm -f $logfile
 	rm -f *.bin
 
+	best_features_count=0
+
 	for mdev in /dev/media* ; do
 		match='true'
 		for feature in $features ; do
@@ -473,17 +476,37 @@ test_init() {
 			}
 		done
 
-		if [ $match == 'true' ] ; then
+		if [ $match == 'false' ] ; then
+			continue
+		fi
+
+		if [ -z "$optional_features" ] ; then
+			best_mdev=$mdev
 			break
 		fi
+
+		features_count=0
+		for feature in $optional_features ; do
+			$(vsp1_has_feature $feature) && {
+				features_count=$((features_count+1))
+				match='false';
+				break;
+			}
+		done
+
+		if [ $features_count -ge $best_features_count ] ; then
+			best_mdev=$mdev
+			best_features_count=$features_count
+		fi
 	done
 
-	if [ $match == 'false' ] ; then
+	if [ -z $best_mdev ] ; then
 		echo "No device found with feature set $features" | ./logger.sh config >> $logfile
 		exit 1
 	fi
 
-	dev=$(vsp1_device $mdev)
+	mdev=$best_mdev
+	dev=$(vsp1_device $best_mdev)
 	echo "Using device $mdev ($dev)" | ./logger.sh config >> $logfile
 
 	vsp_runner=./vsp-runner.sh
-- 
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