Ability to control backlight for soft lock action

See Settings -> General Settings -> Display -> LCD Settings -> Backlight on Lock

Change-Id: I201cb1c2907bb6842bf5d0b7a657e9db27aa905a

apps/lang/english.lang

@@ -2347,15 +2347,15 @@
   desc: in lcd settings
   user: core
   <source>
-    *: none
+    *: "Backlight on Lock"
     hold_button: "Backlight on Hold"
   </source>
   <dest>
-    *: none
+    *: "Backlight on Lock"
     hold_button: "Backlight on Hold"
   </dest>
   <voice>
-    *: none
+    *: "Backlight on Lock"
     hold_button: "Backlight on hold"
   </voice>
 </phrase>

apps/menus/display_menu.c

@@ -149,10 +149,10 @@ MENUITEM_SETTING(backlight_timeout, &global_settings.backlight_timeout, NULL);
 MENUITEM_SETTING(backlight_timeout_plugged,
                 &global_settings.backlight_timeout_plugged, NULL);
 #endif
-#ifdef HAS_BUTTON_HOLD
+
 MENUITEM_SETTING(backlight_on_button_hold,
                 &global_settings.backlight_on_button_hold, NULL);
-#endif
+
 MENUITEM_SETTING(caption_backlight, &global_settings.caption_backlight, NULL);
 #if    defined(HAVE_BACKLIGHT_FADING_INT_SETTING) \
     || defined(HAVE_BACKLIGHT_FADING_BOOL_SETTING)
@@ -200,9 +200,7 @@ MAKE_MENU(lcd_settings,ID2P(LANG_LCD_MENU),
 # if CONFIG_CHARGING
             ,&backlight_timeout_plugged
 # endif
-# ifdef HAS_BUTTON_HOLD
             ,&backlight_on_button_hold
-# endif
             ,&caption_backlight
 #if    defined(HAVE_BACKLIGHT_FADING_INT_SETTING) \
     || defined(HAVE_BACKLIGHT_FADING_BOOL_SETTING)

apps/settings.c

@@ -1051,9 +1051,7 @@ void settings_apply(bool read_disk)
 #ifdef HAVE_REMOTE_LCD
     set_remote_backlight_filter_keypress(global_settings.remote_bl_filter_first_keypress);
 #endif
-#ifdef HAS_BUTTON_HOLD
     backlight_set_on_button_hold(global_settings.backlight_on_button_hold);
-#endif
 
 #ifdef HAVE_LCD_SLEEP_SETTING
     lcd_set_sleep_after_backlight_off(global_settings.lcd_sleep_after_backlight_off);

apps/settings.h

@@ -691,10 +691,8 @@ struct user_settings
 #ifdef HAVE_BACKLIGHT
     bool bl_selective_actions; /* backlight disable on some actions */
     int  bl_selective_actions_mask;/* mask of actions that will not enable backlight */
-#ifdef HAS_BUTTON_HOLD
     int backlight_on_button_hold; /* what to do with backlight when hold
                                      switch is on */
-#endif
 #ifdef HAVE_LCD_SLEEP_SETTING
     int lcd_sleep_after_backlight_off; /* when to put lcd to sleep after backlight
                                           has turned off:  -1=never, 0=always,

apps/settings_list.c

@@ -1846,12 +1846,16 @@ const struct settings_list settings[] = {
                       ID2P(LANG_IN_SUBMENU)),
 
 #ifdef HAVE_BACKLIGHT
-#ifdef HAS_BUTTON_HOLD
-    CHOICE_SETTING(0, backlight_on_button_hold, LANG_BACKLIGHT_ON_BUTTON_HOLD,
-                   1, "backlight on button hold", "normal,off,on",
+    CHOICE_SETTING(0, backlight_on_button_hold,
+                   LANG_BACKLIGHT_ON_BUTTON_HOLD,
+#ifdef HAS_HOLD_BUTTON                   
+                   1,
+#else
+                   0,
+#endif
+                   "backlight on button hold", "normal,off,on",
                    backlight_set_on_button_hold, 3,
                    ID2P(LANG_NORMAL), ID2P(LANG_OFF), ID2P(LANG_ON)),
-#endif
 
 #ifdef HAVE_LCD_SLEEP_SETTING
     TABLE_SETTING_LIST(F_TIME_SETTING | F_ALLOW_ARBITRARY_VALS,

firmware/backlight.c

@@ -39,6 +39,7 @@
 #include "backlight.h"
 #include "lcd.h"
 #include "screendump.h"
+#include "action.h"
 
 #ifdef HAVE_REMOTE_LCD
 #include "lcd-remote.h"
@@ -120,9 +121,7 @@ static int backlight_timeout_normal = 5*HZ;
 #if CONFIG_CHARGING
 static int backlight_timeout_plugged = 5*HZ;
 #endif
-#ifdef HAS_BUTTON_HOLD
 static int backlight_on_button_hold = 0;
-#endif
 static void backlight_handle_timeout(void);
 
 #ifdef HAVE_BUTTON_LIGHT
@@ -846,18 +845,18 @@ bool is_backlight_on(bool ignore_always_off)
 /* return value in ticks; 0 means always on, <0 means always off */
 int backlight_get_current_timeout(void)
 {
-#ifdef HAS_BUTTON_HOLD
     if ((backlight_on_button_hold != 0)
-#ifdef HAVE_REMOTE_LCD_AS_MAIN
+#if defined(HAVE_REMOTE_LCD_AS_MAIN) && defined(HAS_REMOTE_BUTTON_HOLD)  
         && remote_button_hold()
-#else
+#elifdef HAS_BUTTON_HOLD
         && button_hold()
+#else
+        && is_keys_locked()
 #endif
         )
         return (backlight_on_button_hold == 2) ? 0 : -1;
         /* always on or always off */
     else
-#endif
 #if CONFIG_CHARGING
         if (power_input_present())
             return backlight_timeout_plugged;
@@ -893,6 +892,7 @@ void backlight_hold_changed(bool hold_button)
         queue_post(&backlight_queue, BACKLIGHT_ON, 0);
     }
 }
+#endif /* HAS_BUTTON_HOLD */
 
 void backlight_set_on_button_hold(int index)
 {
@@ -903,7 +903,6 @@ void backlight_set_on_button_hold(int index)
     backlight_on_button_hold = index;
     queue_post(&backlight_queue, BACKLIGHT_TMO_CHANGED, 0);
 }
-#endif /* HAS_BUTTON_HOLD */
 
 #ifdef HAVE_LCD_SLEEP_SETTING
 void lcd_set_sleep_after_backlight_off(int timeout_seconds)

firmware/export/backlight.h

@@ -53,8 +53,8 @@ void backlight_set_timeout_plugged(int value);
 
 #ifdef HAS_BUTTON_HOLD
 void backlight_hold_changed(bool hold_button);
-void backlight_set_on_button_hold(int index);
 #endif
+void backlight_set_on_button_hold(int index);
 
 #if defined(HAVE_LCD_SLEEP) && defined(HAVE_LCD_SLEEP_SETTING)
 void lcd_set_sleep_after_backlight_off(int timeout_seconds);