15 lines
410 B
Bash
15 lines
410 B
Bash
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#!/bin/bash
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# Blank/unblank cycle reproducer for the MIPI flicker investigation.
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# Each iteration: blank the display, wait 1s, unblank, wait 3s.
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# Watch the screen and count cycles that produced visible flicker.
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N=${1:-30}
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for i in $(seq 1 $N); do
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echo "--- cycle $i / $N ---"
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echo 4 > /sys/class/graphics/fb0/blank
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sleep 1
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echo 0 > /sys/class/graphics/fb0/blank
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sleep 3
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done
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echo "done."
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