Sync changes from galp3-c to darp5 and lemp9

src/board/system76/lemp9/include/board/dac.h

@@ -0,0 +1,8 @@
+#ifndef _BOARD_DAC_H
+#define _BOARD_DAC_H
+
+#include <ec/dac.h>
+
+void dac_init(void);
+
+#endif // _BOARD_DAC_H

src/board/system76/lemp9/include/board/keymap.h

@@ -3,6 +3,12 @@
 
 #include <common/keymap.h>
 
+// Extra SCI layer for keyboard backlight control
+#define KT_SCI_EXTRA (0x4000)
+
+#define SCI_EXTRA (0x50)
+#define SCI_EXTRA_KBD_BKL (0x8A)
+
 #define ___ 0
 
 // Conversion of physical layout to keyboard matrix