document new choose screen properly

[disorder] / lib / configuration.h

diff --git a/lib/configuration.h b/lib/configuration.h
index a06524cb3133b8c53c28621242e7075c275d6e14..4b22fdbdf1d002985a0af913e3d615c00f41a4e6 100644 (file)
--- a/lib/configuration.h
+++ b/lib/configuration.h
@@ -183,6 +183,8 @@ struct config {
    * BACKEND_NETWORK.
    */
   int api;
+
+/* These values had better be non-negative */
 #define BACKEND_ALSA 0                 /**< Use ALSA (Linux only) */
 #define BACKEND_COMMAND 1              /**< Execute a command */
 #define BACKEND_NETWORK 2              /**< Transmit RTP  */