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Date:   Wed, 9 Jan 2019 08:39:40 +0000
From:   Vokáč Michal <>
To:     Bartlomiej Zolnierkiewicz <>
CC:     Rob Herring <>, Shawn Guo <>,
        Fabio Estevam <>,
        Alexandre Belloni <>,
        Maxime Ripard <>,
        "" <>,
        "" <>,
        "" <>,
        Vokáč Michal <>
Subject: [RESEND PATCH v2 0/4] Fix ssd1307fb OLED driver reset

Hi all,

this is my third attempt to fix the ssd1307fb OLED driver reset. In the
second attempt [1] Rob suggested to take different aproach. That is to
apply what was originaly part of the first round and eventually merged
but reverted later on [2][3].

The last patch in this series is a fixup for the single user (in-tree)
that uses this OLED. Rob suggested the fixup may actually be applied
only after someone complains their display broke.

And a comment from Alexandre regarding the status of the Crystalfontz

On 20.12.2018 13:35, Alexandre Belloni wrote:
> Honestly, the platform has been discontinued and I don't really think
> it is worth having that fixup in the tree forever.

Thank you,


Michal Vokáč (4):
  dt-bindings: display: ssd1307fb: Remove reset-active-low from examples
  video: ssd1307fb: Do not hard code active-low reset sequence
  ARM: dts: imx28-cfa10036: Fix the reset gpio signal polarity
  ARM: mxs: cfa10036: Fixup OLED display reset polarity

 .../devicetree/bindings/display/ssd1307fb.txt      |  2 -
 arch/arm/boot/dts/imx28-cfa10036.dts               |  3 +-
 arch/arm/mach-mxs/mach-mxs.c                       | 44 ++++++++++++++++++++++
 drivers/video/fbdev/ssd1307fb.c                    |  4 +-
 4 files changed, 48 insertions(+), 5 deletions(-)


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