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hwdb: Better documentation for keyboard quirks

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Split up the device matching explanation, and add documentation for
the fixed layout quirk.
This commit is contained in:
Bastien Nocera 2017-03-09 14:47:53 +01:00
parent 37377227ff
commit 6a36cfec4a
1 changed files with 21 additions and 5 deletions
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26
hwdb/60-keyboard.hwdb
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@ -1,7 +1,13 @@
# This file is part of systemd.
#
# Keyboard mapping of scan codes to key codes, and
# scan codes to add to the AT keyboard's 'force-release' list.
# This file contains 2 types of metadata to apply to keyboards and
# keyboard-like input devices:
# - Key mapping
# - Hard-coded layouts
#
# The matching process is the same for the different types of metadata.
#
# ########################### MATCHING #######################################
#
# The lookup keys are composed in:
# 60-evdev.rules
@ -40,6 +46,12 @@
# /sys/class/input/input?/capabilities/ev" and <vendor> is the
# firmware-provided string exported by the kernel DMI modalias,
# see /sys/class/dmi/id/modalias
# ######################### KEY MAPPING ######################################
#
# Keyboard mapping of scan codes to key codes, and
# scan codes to add to the AT keyboard's 'force-release' list.
#
# Scan codes are specified as:
# KEYBOARD_KEY_<hex scan code>=<key code identifier>
@ -1274,9 +1286,13 @@ evdev:atkbd:dmi:bvn*:bvr*:bd*:svnDIXONSP:pnDIXON*:pvr*
KEYBOARD_KEY_ae=! # volume down
KEYBOARD_KEY_b0=! # volume up
###########################################################
# Fixed layout devices
###########################################################
######################### FIXED LAYOUT DEVICES #############################
# This section lists devices for which only one keyboard layout is possible
# or useful such as devices which "type" expecting the user's keymap to match
# a particular one. For example, barcode readers and OTP keys.
#
# The layout must be an xkb compatible layout (defined with XKB_FIXED_LAYOUT),
# with an accompanying variant (defined with XKB_FIXED_VARIANT) if necessary.
# Yubico Yubico Yubikey II"
evdev:input:b0003v1050p0010*