drm/omap: panel-sharp-ls037v7dw01: Add note for incorrect data drive edge
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Thu, 22 Sep 2016 11:07:07 +0000 (14:07 +0300)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Wed, 2 Nov 2016 08:48:18 +0000 (10:48 +0200)
According to the datasheet of the panel, both data, DEN and sync signals
are expected to be driven on the falling edge of the DOTCLK.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c

index fd33156bc34c04de3f11bad0e8a5877a578f552b..04fe235b7cacf2113b2ece26fec76797575e4680 100644 (file)
@@ -52,6 +52,10 @@ static const struct videomode sharp_ls_vm = {
        .flags          = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
                          DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_NEGEDGE |
                          DISPLAY_FLAGS_PIXDATA_POSEDGE,
+       /*
+        * Note: According to the panel documentation:
+        * DATA needs to be driven on the FALLING edge
+        */
 };
 
 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)