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sunxi: video: Fallback from HDMI to VGA on boards with VGA

PATCH New Hans de Goede 2 participants 2 messages Dec 27, 2014 – Dec 29, 2014

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Framebuffer layer Arm/Allwinner sunXi SoC support
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Hans de Goede

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PATCH v2 1/1 sunxi: video: Fallback from HDMI to VGA on boards with VGA

If a board has no LCD, but does have VGA fallback to VGA when no HDMI cable is connected (unless hpd=0).

Signed-off-by Hans de Goede <[email protected]>

---
Changes in v2:
-Fix missing "break;" in v1 which caused hdmi output to no longer work

---
 doc/README.video              |  3 +--
 drivers/video/sunxi_display.c | 51 ++++++++++++++++++++++++-------------------
 2 files changed, 30 insertions(+), 24 deletions(-)
doc/README.video +1 -2
index cfe6318..2c55d6a 100644
@@ -50,8 +50,7 @@ The sunxi u-boot driver supports the following video-mode options:
 
 - hpd=[0|1] - Enable use of the hdmi HotPlug Detect feature
  0: Disabled. Configure dvi/hdmi output even if no cable is detected
- 1: Enabled. If a LCD has been configured fallback to the LCD when no cable is
-    detected, if no LCD is configured, disable video ouput.
+ 1: Enabled.  Fallback to the lcd / vga / none in that order (if available)
  Defaults to hpd=1.
 
 - edid=[0|1] - Enable use of DDC + EDID to get monitor info
drivers/video/sunxi_display.c +29 -22

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