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From 734ccf82db363efddb960b1c4f7db4081f2fdd7c Mon Sep 17 00:00:00 2001
From: Samuli Piippo <samuli.piippo@theqtcompany.com>
Date: Thu, 18 Feb 2016 12:49:01 +0200
Subject: [PATCH] Use hdmi as primary display only if connected
Test if HDMI display is connected before setting it as primary display.
Otherwise set lvds as primary display. Test can be overridden by
setting video_interfaces env.
---
include/configs/mx6sabre_common.h | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/include/configs/mx6sabre_common.h b/include/configs/mx6sabre_common.h
index a8746a4..485f232 100644
--- a/include/configs/mx6sabre_common.h
+++ b/include/configs/mx6sabre_common.h
@@ -163,8 +163,16 @@
"video_args_lcd=setenv video_args $video_args " \
"video=mxcfb${fb}:dev=lcd,CLAA-WVGA,if=RGB666\0" \
"fb=0\0" \
- "video_interfaces=hdmi lvds lcd\0" \
+ "video_interfaces=\0" \
"video_args_script=" \
+ "if test -z \"${video_interfaces}\"; then " \
+ "i2c dev 1; " \
+ "if i2c probe 0x50; then " \
+ "setenv video_interfaces hdmi lvds lcd; " \
+ "else " \
+ "setenv video_interfaces lvds hdmi lcd; " \
+ "fi; " \
+ "fi; " \
"for v in ${video_interfaces}; do " \
"run video_args_${v}; " \
"setexpr fb $fb + 1; " \
--
1.9.1
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