22 lines
703 B
Plaintext
22 lines
703 B
Plaintext
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#!/bin/bash
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# Adjust brightness on the most likely display device.
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# Usage: station-brightness-display <step>
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step="${1:-+5%}"
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# Start with the first possible output, then refine to the most likely given an order heuristic.
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device="$(ls -1 /sys/class/backlight 2>/dev/null | head -n1)"
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for candidate in amdgpu_bl* intel_backlight acpi_video*; do
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if [[ -e /sys/class/backlight/$candidate ]]; then
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device="$candidate"
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break
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fi
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done
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# Set the actual brightness of the display device.
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brightnessctl -d "$device" set "$step" >/dev/null
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# Use SwayOSD to display the new brightness setting.
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station-swayosd-brightness "$(brightnessctl -d "$device" -m | cut -d',' -f4 | tr -d '%')"
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