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isotherm · 03-29-2013, 01:35 PM

Sorry, the test to invert the screen should have been:

Code:

echo "99 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0" >/proc/eink_fb/update_display
echo "18 0" >/proc/eink_fb/update_display

Some other test commands:

Code:

ps auwx | grep contrast
ls -l `find /etc -name *contrast`
ls -l /usr/sbin/contrast
md5sum `find /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink`

Note that I didn't test compatibility with any hotkey launchers. If those aren't able to share access to the keyboard, it might not work.

03-29-2013, 01:35 PM	#24
isotherm Connoisseur Posts: 79 Karma: 187319 Join Date: Jul 2010 Device: Kindle 2	Sorry, the test to invert the screen should have been: Code: echo "99 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0" >/proc/eink_fb/update_display echo "18 0" >/proc/eink_fb/update_display Some other test commands: Code: ps auwx \| grep contrast ls -l `find /etc -name *contrast` ls -l /usr/sbin/contrast md5sum `find /lib/modules/2.6.22.19-lab126/kernel/drivers/video/eink` Note that I didn't test compatibility with any hotkey launchers. If those aren't able to share access to the keyboard, it might not work.