picoproj: support setting the zoom mode

[libam7xxx.git] / doc / man / picoproj.1.txt

diff --git a/doc/man/picoproj.1.txt b/doc/man/picoproj.1.txt
index c60fe16..309402c 100644 (file)
--- a/doc/man/picoproj.1.txt
+++ b/doc/man/picoproj.1.txt
@@ -15,7 +15,9 @@ SYNOPSIS
 
 DESCRIPTION
 -----------
-picoproj(1) is a minimal example to show how to use libam7xxx to display a static image.
+picoproj(1) is a minimal example to show how to use libam7xxx to display
+a static image; it will not perform any image rescaling or conversion, images
+larger than the device native resolution can be wrongly displayed.
 
 
 OPTIONS
@@ -40,6 +42,9 @@ OPTIONS
     WARNING: Level 2 and greater require the master AND
              the slave connector to be plugged in.
 
+*-z* '<zoom mode>'::
+    the display zoom mode, between 0 (original) and 3 (test)
+
 *-W* '<image width>'::
     the width of the image to upload