on my ibook2 (500mhz), while on console and changing brightness, i get a “keyboard: unknown scancode e0 4c” (or e0 54 if going up brightness) log message. Changing the brightness still works though….

This patch may help…..

--- linux-2.4.21-ben2-xfs.recent/drivers/macintosh/mac_hid.c    2002-08-03 10:39:44.000000000 +1000
+++ linux-2.4.21-ben2-xfs.recent-stew1/drivers/macintosh/mac_hid.c      2003-09-09 00:20:13.000000000 +1000
@@ -207,8 +207,8 @@
        KEY_RIGHTALT, KEY_BRIGHTNESSUP, KEY_BRIGHTNESSDOWN,
                KEY_EJECTCD, 0, 0, 0, 0,                        /* 0x38-0x3f */
        0, 0, 0, 0, 0, 0, 0, KEY_HOME,                          /* 0x40-0x47 */
-       KEY_UP, KEY_PAGEUP, 0, KEY_LEFT, 0, KEY_RIGHT, 0, KEY_END, /* 0x48-0x4f */
-       KEY_DOWN, KEY_PAGEDOWN, KEY_INSERT, KEY_DELETE, 0, 0, 0, 0, /* 0x50-0x57 */
+       KEY_UP, KEY_PAGEUP, 0, KEY_LEFT, KEY_BRIGHTNESSDOWN, KEY_RIGHT, 0, KEY_END, /* 0x48-0x4f */
+       KEY_DOWN, KEY_PAGEDOWN, KEY_INSERT, KEY_DELETE, KEY_BRIGHTNESSUP, 0, 0, 0, /* 0x50-0x57 */
        0, 0, 0, KEY_LEFTMETA, KEY_RIGHTMETA, KEY_COMPOSE, KEY_POWER, 0, /* 0x58-0x5f */
        0, 0, 0, 0, 0, 0, 0, 0,                                 /* 0x60-0x67 */
        0, 0, 0, 0, 0, 0, 0, KEY_MACRO,                         /* 0x68-0x6f */