Gigabeat S: Make sure the hold button on the remote is independent of the main one.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19833 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/imx31/gigabeat-s/button-imx31.c

@@ -150,8 +150,14 @@ int button_read_device(void)
      * first key down event. */
     KPP_KPSR |= KPP_KPSR_KDIE;
 
-    /* If hold, ignore any pressed button */
+#ifdef HAVE_HEADPHONE_DETECTION
+    /* If hold, ignore any pressed button. Remote has its own hold
+     * switch, so return state regardless. */
+    return hold_button ? (int_btn & BUTTON_REMOTE) : int_btn;
+#else
+    /* If hold, ignore any pressed button.  */
     return hold_button ? BUTTON_NONE : int_btn;
+#endif
 }
 
 /* This is called from the mc13783 interrupt thread */