database: make parent tables work with plugin

Enables the use of PictureFlow and the Properties plugin
with parent tables of ALLSUBENTRIES, such as an album
or album artist, instead of individual tracks.

Change-Id: I18c4779ed116a48c732ae32b9629e7e0d93ce7c8

1 files changed, 3 insertions, 0 deletions

diff --git a/apps/misc.h b/apps/misc.h
index 51684cb658..403a8c53ac 100644
--- a/apps/misc.h
+++ b/apps/misc.h
@@ -187,6 +187,9 @@ enum current_activity {
     ACTIVITY_USBSCREEN
 };
 
+/* custom string representation of activity */
+#define MAKE_ACT_STR(act) ((char[3]){'>', 'A'+ (act), 0x0})
+
 void beep_play(unsigned int frequency, unsigned int duration,
                unsigned int amplitude);