69 lines
2.6 KiB
Bash
Executable File
69 lines
2.6 KiB
Bash
Executable File
#!/bin/sh -e
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# Find "real" keyboard devices and print their device path.
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# Author: Martin Pitt <martin.pitt@ubuntu.com>
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#
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# Copyright (C) 2009, Canonical Ltd.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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# returns OK if $1 contains $2
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strstr() {
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[ "${1#*$2*}" != "$1" ]
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}
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# returns OK if $1 contains $2 at the beginning
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str_starts() {
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[ "${1#$2*}" != "$1" ]
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}
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str_line_starts() {
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while read a; do str_starts "$a" "$1" && return 0;done
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return 1;
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}
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# print a list of input devices which are keyboard-like
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keyboard_devices() {
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# standard AT keyboard
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for dev in `udevadm trigger --dry-run --verbose --property-match=ID_INPUT_KEYBOARD=1`; do
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walk=`udevadm info --attribute-walk --path=$dev`
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env=`udevadm info --query=env --path=$dev`
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# filter out non-event devices, such as the parent input devices which have no devnode
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if ! echo "$env" | str_line_starts 'DEVNAME='; then
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continue
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fi
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if strstr "$walk" 'DRIVERS=="atkbd"'; then
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echo -n 'AT keyboard: '
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elif echo "$env" | str_line_starts 'ID_USB_DRIVER=usbhid'; then
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echo -n 'USB keyboard: '
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else
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echo -n 'Unknown type: '
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fi
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udevadm info --query=name --path=$dev
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done
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# modules
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module=$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*Extra Buttons')
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module="$module
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$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*extra buttons')"
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module="$module
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$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='Sony Vaio Keys')"
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for m in $module; do
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for evdev in $m/event*/dev; do
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if [ -e "$evdev" ]; then
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echo -n 'module: '
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udevadm info --query=name --path=${evdev%%/dev}
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fi
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done
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done
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}
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keyboard_devices
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