staging: fbtft: fb_ssd1331: fix mirrored display

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When the row scan order is reversed (the default) we also need to
reverse the column scan order. This was not done previously, resulting
in a mirrored display.

Also add support for 180 degree display rotation, in which case simply
disable reversed row and column scan order.

Tested on an Adafruit 0.96" mini Color OLED display.

Signed-off-by: Johannes H. Jensen <joh@pseudoberries.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Johannes H. Jensen 2017-11-05 15:46:53 +01:00 • committed by Greg Kroah-Hartman

parent 0088d78251

commit be077edb46

1 changed files with 7 additions and 1 deletions

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drivers/staging/fbtft/fb_ssd1331.c

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