add constraint for scan source

diff --git a/src/kds_s2000w_net.c b/src/kds_s2000w_net.c
index c50516890f006a603233ad03fad9e57fe636d75d..7f62c8bfe88594be3cd17f5c42c612dcc73f1bd7 100644 (file)
--- a/src/kds_s2000w_net.c
+++ b/src/kds_s2000w_net.c
@@ -349,10 +349,15 @@ const SANE_Option_Descriptor* _sane_kds_s2000w_net_get_option_descriptor(
                case 22:
                        option_descriptors[option].name = "scansource";
                        option_descriptors[option].title = "scansource";
-                       option_descriptors[option].desc = "ScanSoscansourceurce";
-                       option_descriptors[option].cap = SANE_CAP_SOFT_DETECT;
-                       option_descriptors[option].constraint_type = SANE_CONSTRAINT_NONE;
-                       option_descriptors[option].constraint.string_list = NULL;
+                       option_descriptors[option].desc = "scansource";
+                       option_descriptors[option].cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT;;
+                       option_descriptors[option].constraint_type = SANE_CONSTRAINT_STRING_LIST;
+                       SANE_String_Const* constraint_scan_source = malloc(sizeof(char*) * 4);
+                       constraint_scan_source[0] = "DocumentFeeder";
+                       constraint_scan_source[1] = "Automatic";
+                       constraint_scan_source[2] = "Flatbed";
+                       constraint_scan_source[3] = NULL;
+                       option_descriptors[option].constraint.string_list = constraint_scan_source;
                        break;
                default:
                        return NULL;