blob: 093a5027e5f3e39eac652d70543682aa150a610c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#!/bin/sh
set -e
[ -n "$DEBUG" ] && set -x
# check requirements
for tool in awk fd; do
if ! command -v "$tool" >/dev/null; then
printf "%s: %s not installed but required\n" "$(basename "$0")" "$tool" >&2
exit 1
fi
done
if [ "$1" = "-h" ]; then
printf "usage: %s DEV_NODE\n\n" "$0"
exit 2
fi
dev_node=$1
dev_node=$(basename "${dev_node}")
serial=$(fd "${dev_node}" /sys/devices |
awk 'BEGIN{RS="/"} /usb/{print}' |
xargs -I{} cat /sys/bus/usb/devices/{}/serial)
[ -z "${serial}" ] && exit 1
bus=$(fd "${serial}" /sys/bus/pci/drivers/)
[ -z "${bus}" ] && exit 1
driver=$(dirname "${bus}")
[ -z "${driver}" ] && exit 1
printf "%s" "${serial}" | doas tee "${driver}/unbind" >/dev/null
sleep 2
printf "%s" "${serial}" | doas tee "${driver}/bind" >/dev/null
|
