Input: document some of keycodes
Document some of keycodes, based on USB HUT 1.12 and current mapping
in HID driver.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/linux/input.h b/include/linux/input.h
index 48f1ad6..d8521c7 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -108,6 +108,13 @@
/*
* Keys and buttons
+ *
+ * Most of the keys/buttons are modeled after USB HUT 1.12
+ * (see http://www.usb.org/developers/hidpage).
+ * Abbreviations in the comments:
+ * AC - Application Control
+ * AL - Application Launch Button
+ * SC - System Control
*/
#define KEY_RESERVED 0
@@ -226,7 +233,7 @@
#define KEY_MUTE 113
#define KEY_VOLUMEDOWN 114
#define KEY_VOLUMEUP 115
-#define KEY_POWER 116
+#define KEY_POWER 116 /* SC System Power Down */
#define KEY_KPEQUAL 117
#define KEY_KPPLUSMINUS 118
#define KEY_PAUSE 119
@@ -240,38 +247,39 @@
#define KEY_RIGHTMETA 126
#define KEY_COMPOSE 127
-#define KEY_STOP 128
+#define KEY_STOP 128 /* AC Stop */
#define KEY_AGAIN 129
-#define KEY_PROPS 130
-#define KEY_UNDO 131
+#define KEY_PROPS 130 /* AC Properties */
+#define KEY_UNDO 131 /* AC Undo */
#define KEY_FRONT 132
-#define KEY_COPY 133
-#define KEY_OPEN 134
-#define KEY_PASTE 135
-#define KEY_FIND 136
-#define KEY_CUT 137
-#define KEY_HELP 138
-#define KEY_MENU 139
-#define KEY_CALC 140
+#define KEY_COPY 133 /* AC Copy */
+#define KEY_OPEN 134 /* AC Open */
+#define KEY_PASTE 135 /* AC Paste */
+#define KEY_FIND 136 /* AC Search */
+#define KEY_CUT 137 /* AC Cut */
+#define KEY_HELP 138 /* AL Integrated Help Center */
+#define KEY_MENU 139 /* Menu (show menu) */
+#define KEY_CALC 140 /* AL Calculator */
#define KEY_SETUP 141
-#define KEY_SLEEP 142
-#define KEY_WAKEUP 143
-#define KEY_FILE 144
+#define KEY_SLEEP 142 /* SC System Sleep */
+#define KEY_WAKEUP 143 /* System Wake Up */
+#define KEY_FILE 144 /* AL Local Machine Browser */
#define KEY_SENDFILE 145
#define KEY_DELETEFILE 146
#define KEY_XFER 147
#define KEY_PROG1 148
#define KEY_PROG2 149
-#define KEY_WWW 150
+#define KEY_WWW 150 /* AL Internet Browser */
#define KEY_MSDOS 151
-#define KEY_COFFEE 152
+#define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */
+#define KEY_SCREENLOCK KEY_COFFEE
#define KEY_DIRECTION 153
#define KEY_CYCLEWINDOWS 154
#define KEY_MAIL 155
-#define KEY_BOOKMARKS 156
+#define KEY_BOOKMARKS 156 /* AC Bookmarks */
#define KEY_COMPUTER 157
-#define KEY_BACK 158
-#define KEY_FORWARD 159
+#define KEY_BACK 158 /* AC Back */
+#define KEY_FORWARD 159 /* AC Forward */
#define KEY_CLOSECD 160
#define KEY_EJECTCD 161
#define KEY_EJECTCLOSECD 162
@@ -281,20 +289,20 @@
#define KEY_STOPCD 166
#define KEY_RECORD 167
#define KEY_REWIND 168
-#define KEY_PHONE 169
+#define KEY_PHONE 169 /* Media Select Telephone */
#define KEY_ISO 170
-#define KEY_CONFIG 171
-#define KEY_HOMEPAGE 172
-#define KEY_REFRESH 173
-#define KEY_EXIT 174
+#define KEY_CONFIG 171 /* AL Consumer Control Configuration */
+#define KEY_HOMEPAGE 172 /* AC Home */
+#define KEY_REFRESH 173 /* AC Refresh */
+#define KEY_EXIT 174 /* AC Exit */
#define KEY_MOVE 175
#define KEY_EDIT 176
#define KEY_SCROLLUP 177
#define KEY_SCROLLDOWN 178
#define KEY_KPLEFTPAREN 179
#define KEY_KPRIGHTPAREN 180
-#define KEY_NEW 181
-#define KEY_REDO 182
+#define KEY_NEW 181 /* AC New */
+#define KEY_REDO 182 /* AC Redo/Repeat */
#define KEY_F13 183
#define KEY_F14 184
@@ -314,11 +322,11 @@
#define KEY_PROG3 202
#define KEY_PROG4 203
#define KEY_SUSPEND 205
-#define KEY_CLOSE 206
+#define KEY_CLOSE 206 /* AC Close */
#define KEY_PLAY 207
#define KEY_FASTFORWARD 208
#define KEY_BASSBOOST 209
-#define KEY_PRINT 210
+#define KEY_PRINT 210 /* AC Print */
#define KEY_HP 211
#define KEY_CAMERA 212
#define KEY_SOUND 213
@@ -327,11 +335,11 @@
#define KEY_CHAT 216
#define KEY_SEARCH 217
#define KEY_CONNECT 218
-#define KEY_FINANCE 219
+#define KEY_FINANCE 219 /* AL Checkbook/Finance */
#define KEY_SPORT 220
#define KEY_SHOP 221
#define KEY_ALTERASE 222
-#define KEY_CANCEL 223
+#define KEY_CANCEL 223 /* AC Cancel */
#define KEY_BRIGHTNESSDOWN 224
#define KEY_BRIGHTNESSUP 225
#define KEY_MEDIA 226
@@ -341,10 +349,10 @@
#define KEY_KBDILLUMDOWN 229
#define KEY_KBDILLUMUP 230
-#define KEY_SEND 231
-#define KEY_REPLY 232
-#define KEY_FORWARDMAIL 233
-#define KEY_SAVE 234
+#define KEY_SEND 231 /* AC Send */
+#define KEY_REPLY 232 /* AC Reply */
+#define KEY_FORWARDMAIL 233 /* AC Forward Msg */
+#define KEY_SAVE 234 /* AC Save */
#define KEY_DOCUMENTS 235
#define KEY_BATTERY 236
@@ -433,15 +441,15 @@
#define KEY_CLEAR 0x163
#define KEY_POWER2 0x164
#define KEY_OPTION 0x165
-#define KEY_INFO 0x166
+#define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */
#define KEY_TIME 0x167
#define KEY_VENDOR 0x168
#define KEY_ARCHIVE 0x169
-#define KEY_PROGRAM 0x16a
+#define KEY_PROGRAM 0x16a /* Media Select Program Guide */
#define KEY_CHANNEL 0x16b
#define KEY_FAVORITES 0x16c
#define KEY_EPG 0x16d
-#define KEY_PVR 0x16e
+#define KEY_PVR 0x16e /* Media Select Home */
#define KEY_MHP 0x16f
#define KEY_LANGUAGE 0x170
#define KEY_TITLE 0x171
@@ -451,36 +459,36 @@
#define KEY_MODE 0x175
#define KEY_KEYBOARD 0x176
#define KEY_SCREEN 0x177
-#define KEY_PC 0x178
-#define KEY_TV 0x179
-#define KEY_TV2 0x17a
-#define KEY_VCR 0x17b
-#define KEY_VCR2 0x17c
-#define KEY_SAT 0x17d
+#define KEY_PC 0x178 /* Media Select Computer */
+#define KEY_TV 0x179 /* Media Select TV */
+#define KEY_TV2 0x17a /* Media Select Cable */
+#define KEY_VCR 0x17b /* Media Select VCR */
+#define KEY_VCR2 0x17c /* VCR Plus */
+#define KEY_SAT 0x17d /* Media Select Satellite */
#define KEY_SAT2 0x17e
-#define KEY_CD 0x17f
-#define KEY_TAPE 0x180
+#define KEY_CD 0x17f /* Media Select CD */
+#define KEY_TAPE 0x180 /* Media Select Tape */
#define KEY_RADIO 0x181
-#define KEY_TUNER 0x182
+#define KEY_TUNER 0x182 /* Media Select Tuner */
#define KEY_PLAYER 0x183
#define KEY_TEXT 0x184
-#define KEY_DVD 0x185
+#define KEY_DVD 0x185 /* Media Select DVD */
#define KEY_AUX 0x186
#define KEY_MP3 0x187
#define KEY_AUDIO 0x188
#define KEY_VIDEO 0x189
#define KEY_DIRECTORY 0x18a
#define KEY_LIST 0x18b
-#define KEY_MEMO 0x18c
+#define KEY_MEMO 0x18c /* Media Select Messages */
#define KEY_CALENDAR 0x18d
#define KEY_RED 0x18e
#define KEY_GREEN 0x18f
#define KEY_YELLOW 0x190
#define KEY_BLUE 0x191
-#define KEY_CHANNELUP 0x192
-#define KEY_CHANNELDOWN 0x193
+#define KEY_CHANNELUP 0x192 /* Channel Increment */
+#define KEY_CHANNELDOWN 0x193 /* Channel Decrement */
#define KEY_FIRST 0x194
-#define KEY_LAST 0x195
+#define KEY_LAST 0x195 /* Recall Last */
#define KEY_AB 0x196
#define KEY_NEXT 0x197
#define KEY_RESTART 0x198
@@ -491,21 +499,21 @@
#define KEY_DIGITS 0x19d
#define KEY_TEEN 0x19e
#define KEY_TWEN 0x19f
-#define KEY_VIDEOPHONE 0x1a0
-#define KEY_GAMES 0x1a1
-#define KEY_ZOOMIN 0x1a2
-#define KEY_ZOOMOUT 0x1a3
-#define KEY_ZOOMRESET 0x1a4
-#define KEY_WORDPROCESSOR 0x1a5
-#define KEY_EDITOR 0x1a6
-#define KEY_SPREADSHEET 0x1a7
-#define KEY_GRAPHICSEDITOR 0x1a8
-#define KEY_PRESENTATION 0x1a9
-#define KEY_DATABASE 0x1aa
-#define KEY_NEWS 0x1ab
-#define KEY_VOICEMAIL 0x1ac
-#define KEY_ADDRESSBOOK 0x1ad
-#define KEY_MESSENGER 0x1ae
+#define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */
+#define KEY_GAMES 0x1a1 /* Media Select Games */
+#define KEY_ZOOMIN 0x1a2 /* AC Zoom In */
+#define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */
+#define KEY_ZOOMRESET 0x1a4 /* AC Zoom */
+#define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */
+#define KEY_EDITOR 0x1a6 /* AL Text Editor */
+#define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */
+#define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */
+#define KEY_PRESENTATION 0x1a9 /* AL Presentation App */
+#define KEY_DATABASE 0x1aa /* AL Database App */
+#define KEY_NEWS 0x1ab /* AL Newsreader */
+#define KEY_VOICEMAIL 0x1ac /* AL Voicemail */
+#define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */
+#define KEY_MESSENGER 0x1ae /* AL Instant Messaging */
#define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */
#define KEY_DEL_EOL 0x1c0