Riyyi
2 years ago
1 changed files with 33 additions and 0 deletions
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#!/bin/sh |
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# fiio - systemd suspend/resume hook |
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# |
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# Disable FiiO DAC when going to sleep. |
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# Usb vendor/product ID found using lsusb. |
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# |
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# Reference: |
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# https://bbs.archlinux.org/viewtopic.php?id=242633 |
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id="262a:100e" |
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file="/tmp/systemd-system-sleep-fiio" |
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case $1 in |
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pre) |
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device=$(tree /sys | grep -i "usb.*$id" | sed -E '1s/.*\/(.*):[0-9]\.[0-9].*/\1/;2,$d') |
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# Bail if device isnt connected |
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[ -z "$device" ] && exit 1 |
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echo "Suspending device [FiiO USB DAC E17K] on usb $device" |
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echo "$device" > "$file" |
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echo "$device" > /sys/bus/usb/drivers/usb/unbind |
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;; |
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post) |
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# Bail if device isnt connected |
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[ ! -f "$file" ] && exit 1 |
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echo "Resuming device [FiiO USB DAC E17K] on usb $(cat file)" |
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cat "$file" > /sys/bus/usb/drivers/usb/bind |
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rm "$file" |
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;; |
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esac |
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