OMAP: DSS2: DSI: Add comment about regn

regn divider is one greater than the REGN divider in TRM. Add a comment
to point this out.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index c7cfdad..31b7746 100644 (file)
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -510,6 +510,7 @@ struct omap_dss_device {
                } dispc;
 
                struct {
+                       /* regn is one greater than TRM's REGN value */
                        u16 regn;
                        u16 regm;
                        u16 regm_dispc;