1 files changed, 7 insertions, 1 deletions
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java b/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
index 9efe06d..f5c33b5 100644
--- a/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java
@@ -41,8 +41,10 @@ public class ScreenFragmentActivity extends PreferenceFragment {
     private mDNIeMode mmDNIeMode;
     private mDNIeNegative mmDNIeNegative;
     private LedFade mLedFade;
+    private CheckBoxPreference mTouchKey;
 
     private static boolean sSPenSupported;
+    private static boolean sTouchkeySupport;
 
     private static final String FILE_TOUCHKEY_BRIGHTNESS = "/sys/class/sec/sec_touchkey/brightness";
     private static final String FILE_TOUCHKEY_DISABLE = "/sys/class/sec/sec_touchkey/force_disable";
@@ -74,7 +76,11 @@ public class ScreenFragmentActivity extends PreferenceFragment {
         mLedFade.setEnabled(LedFade.isSupported());
 
         /* Touchkey */
-        if (((CheckBoxPreference)preferenceScreen.findPreference(DeviceSettings.KEY_TOUCHKEY_LIGHT)).isChecked()) {
+        sTouchkeySupport = res.getBoolean(R.bool.has_touchkey);
+        mTouchKey = (CheckBoxPreference)preferenceScreen.findPreference(DeviceSettings.KEY_TOUCHKEY_LIGHT);
+        mTouchKey.setEnabled(sTouchkeySupport);
+
+        if (mTouchKey.isChecked() && mTouchKey.isEnabled()) {
             preferenceScreen.findPreference(DeviceSettings.KEY_TOUCHKEY_TIMEOUT).setEnabled(true);
         } else {
             preferenceScreen.findPreference(DeviceSettings.KEY_TOUCHKEY_TIMEOUT).setEnabled(false);