Fix queued track when resuming after PLAYLIST_COMMAND_CLEAR

PLAYLIST_COMMAND_CLEAR needs to save the index of the
currently playing track, or a track with index 0 will
be left queued after resuming from control commands

Change-Id: If7449bff92acd556b03c46e82301e8fec5c997d7

1 files changed, 6 insertions, 3 deletions

diff --git a/apps/playlist.c b/apps/playlist.c
index c0e943cf37..1822db844f 100644
--- a/apps/playlist.c
+++ b/apps/playlist.c
@@ -434,7 +434,7 @@ static int update_control_unlocked(struct playlist_info* playlist,
         result = write(fd, "R\n", 2);
         break;
     case PLAYLIST_COMMAND_CLEAR:
-        result = write(fd, "C\n", 2);
+        result = fdprintf(fd, "C:%d\n", i1);
         break;
     case PLAYLIST_COMMAND_FLAGS:
         result = fdprintf(fd, "F:%u:%u\n", i1, i2);
@@ -1178,7 +1178,6 @@ static int remove_all_tracks_unlocked(struct playlist_info *playlist, bool write
 #endif
 
     /* Update playlist state as if by remove_track_unlocked() */
-    playlist->index = 0;
     playlist->first_index = 0;
     playlist->amount = 1;
     playlist->indices[0] |= PLAYLIST_QUEUED;
@@ -1191,10 +1190,12 @@ static int remove_all_tracks_unlocked(struct playlist_info *playlist, bool write
     if (write && playlist->control_fd >= 0)
     {
         update_control_unlocked(playlist, PLAYLIST_COMMAND_CLEAR,
-                                -1, -1, NULL, NULL, NULL);
+                                playlist->index, -1, NULL, NULL, NULL);
         sync_control_unlocked(playlist);
     }
 
+    playlist->index = 0;
+
     return 0;
 }
 
@@ -3353,6 +3354,8 @@ int playlist_resume(void)
                     }
                     case PLAYLIST_COMMAND_CLEAR:
                     {
+                        if (strp[0])
+                            playlist->index = atoi(strp[0]);
                         if (remove_all_tracks_unlocked(playlist, false) < 0)
                         {
                             result = -16;