sony-laptop: Add support for extended hotkeys

Recent Sony SR-series machines have an additional set of buttons accessed
via the 0x127 method rather than the 0x100 method. Add support for these.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/include/linux/sonypi.h b/include/linux/sonypi.h
index 8458dbe..bb83501 100644
--- a/include/linux/sonypi.h
+++ b/include/linux/sonypi.h
@@ -104,6 +104,10 @@
 #define SONYPI_EVENT_ZOOM_IN_PRESSED		62
 #define SONYPI_EVENT_ZOOM_OUT_PRESSED		63
 #define SONYPI_EVENT_CD_EJECT_PRESSED		64
+#define SONYPI_EVENT_MODEKEY_PRESSED		65
+#define SONYPI_EVENT_PKEY_P4			66
+#define SONYPI_EVENT_PKEY_P5			67
+#define SONYPI_EVENT_SETTINGKEY_PRESSED		68
 
 /* get/set brightness */
 #define SONYPI_IOCGBRT		_IOR('v', 0, __u8)