meson_display: scaling ui may be abnormal after reboot [1/1]

PD#SWPL-185661

Problem:
scaling ui may be abnormal after reboot

Solution:
scaling  initial return value limits.

Verify:
AH212.

Change-Id: Ib111df5944a775d5ace831571c7dda5b7f2b037e
Signed-off-by: chen.wang1 <chen.wang1@amlogic.com>
diff --git a/display_framework/src/extension/display_settings/weston/weston_settings.c b/display_framework/src/extension/display_settings/weston/weston_settings.c
index 9291dc7..4f92849 100644
--- a/display_framework/src/extension/display_settings/weston/weston_settings.c
+++ b/display_framework/src/extension/display_settings/weston/weston_settings.c
@@ -667,6 +667,9 @@
     rc = wstDisplaySendMessage(cmdBuf,resp);
     if (rc >= 0) {
         *value = getValueFromOutputString(resp, "scaling");
+         if (*value < 0) {
+             *value = 100;
+         }
         DEBUG("%s %d get the scaling of graphic value %d",__FUNCTION__,__LINE__,*value);
     } else {
         ERROR("%s %d send message fail",__FUNCTION__,__LINE__);