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[v2,22/23] drm/omap: panel-sharp-ls037v7dw01: Add note for incorrect data drive edge

Message ID 20160922110708.31242-23-peter.ujfalusi@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Ujfalusi Sept. 22, 2016, 11:07 a.m. UTC
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>
---
 drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
index fd33156bc34c..04fe235b7cac 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
@@ -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)