KEY_FN_F4 - Linux

Symbol: KEY_FN_F4

drivers/char/sonypi.c

{ SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },

drivers/hid/hid-debug.c

[KEY_FN_F3] = "Fn+F3", [KEY_FN_F4] = "Fn+F4",

drivers/platform/x86/sony-laptop.c

KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */

sound/usb/caiaq/input.c

KEY_FN_F4, /* "view" */