Map volume and brightness events on thinkpads

There are standard keycodes for brightness and volume; map the events to
emit them so that things work properly

Signed-off-by: Jeremy Katz <katzj@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/misc/thinkpad_acpi.c

@@ -945,15 +945,15 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 		KEY_UNKNOWN,	/* 0x0C: FN+BACKSPACE */
 		KEY_UNKNOWN,	/* 0x0D: FN+INSERT */
 		KEY_UNKNOWN,	/* 0x0E: FN+DELETE */
-		KEY_RESERVED,	/* 0x0F: FN+HOME (brightness up) */
+		KEY_BRIGHTNESSUP,	/* 0x0F: FN+HOME (brightness up) */
 		/* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */
-		KEY_RESERVED,	/* 0x10: FN+END (brightness down) */
+		KEY_BRIGHTNESSDOWN,	/* 0x10: FN+END (brightness down) */
 		KEY_RESERVED,	/* 0x11: FN+PGUP (thinklight toggle) */
 		KEY_UNKNOWN,	/* 0x12: FN+PGDOWN */
 		KEY_ZOOM,	/* 0x13: FN+SPACE (zoom) */
-		KEY_RESERVED,	/* 0x14: VOLUME UP */
-		KEY_RESERVED,	/* 0x15: VOLUME DOWN */
-		KEY_RESERVED,	/* 0x16: MUTE */
+		KEY_VOLUMEUP,	/* 0x14: VOLUME UP */
+		KEY_VOLUMEDOWN,	/* 0x15: VOLUME DOWN */
+		KEY_MUTE,	/* 0x16: MUTE */
 		KEY_VENDOR,	/* 0x17: Thinkpad/AccessIBM/Lenovo */
 		/* (assignments unknown, please report if found) */
 		KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
@@ -974,9 +974,9 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 		KEY_RESERVED,	/* 0x11: FN+PGUP (thinklight toggle) */
 		KEY_UNKNOWN,	/* 0x12: FN+PGDOWN */
 		KEY_ZOOM,	/* 0x13: FN+SPACE (zoom) */
-		KEY_RESERVED,	/* 0x14: VOLUME UP */
-		KEY_RESERVED,	/* 0x15: VOLUME DOWN */
-		KEY_RESERVED,	/* 0x16: MUTE */
+		KEY_VOLUMEUP,	/* 0x14: VOLUME UP */
+		KEY_VOLUMEDOWN,	/* 0x15: VOLUME DOWN */
+		KEY_MUTE,	/* 0x16: MUTE */
 		KEY_VENDOR,	/* 0x17: Thinkpad/AccessIBM/Lenovo */
 		/* (assignments unknown, please report if found) */
 		KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,