YH-820: prohibit to change time/date on some hardware versions

This patch will autodetect these players, where setting the time/date
would leave the player in an unusable state.

Change-Id: I0579610ce7c10152ace27bb9c06cf6cb2aab8052

1 files changed, 18 insertions, 0 deletions

diff --git a/apps/menus/time_menu.c b/apps/menus/time_menu.c
index 93ca786cea..94e19b06aa 100644
--- a/apps/menus/time_menu.c
+++ b/apps/menus/time_menu.c
@@ -43,6 +43,10 @@
 #include "font.h"
 #include "system.h"
 
+#ifdef SAMSUNG_YH820
+#include "splash.h"
+#endif
+
 static int timedate_set(void)
 {
     /* Make a local copy of the time struct */
@@ -280,6 +284,20 @@ int time_screen(void* ignored)
         draw_timedate(&clock_vps[i], &screens[i]);
     }
 
+#ifdef SAMSUNG_YH820
+    /* some hardware revisions of the yh820 have a rtc problem: if you try to set
+       the time/date it will leave the player in an absolute unresponsive state
+       which can only be reverted by removing the battery. Setting time/date
+       should be prohibited on this targets. Fortunately we can autodetect these,
+       because they always report "02:02:02" as time.
+    */
+    struct tm *tm = get_time();
+    if (tm->tm_year==102 && tm->tm_hour==2 && tm->tm_min==2 && tm->tm_sec==2) {
+        splash(4*HZ, "Can't set time/date due to hardware issues!");
+        return 0;
+    }
+#endif
+
     ret = do_menu(&time_menu, NULL, menu, false);
     pop_current_activity();
     /* see comments above in the button callback */