oak: enable lid angle update

This change enables lid angle update that turns off keyboard scan in
tablet mode.

BRANCH=none
BUG=chrome-os-partner:49114
TEST=make BOARD=oak runtests
  make BOARD=oak -j && make BOARD=oak_pd -j
  load on oak and boot to vt2 console.
  flip lid to disable range, type keyboard and check.

Signed-off-by: Rong Chang <rongchang@chromium.org>
Change-Id: Ibd2f0d6ae33a95380c9fc52a7568166a04c119e9
Reviewed-on: https://chromium-review.googlesource.com/328884
Reviewed-by: Wei-Ning Huang <wnhuang@chromium.org>

board/oak/board.c

@@ -27,6 +27,7 @@
 #include "host_command.h"
 #include "i2c.h"
 #include "keyboard_raw.h"
+#include "keyboard_scan.h"
 #include "lid_switch.h"
 #include "math_util.h"
 #include "motion_lid.h"
@@ -748,4 +749,9 @@ struct motion_sensor_t motion_sensors[] = {
 	},
 };
 const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+
+void lid_angle_peripheral_enable(int enable)
+{
+	keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE);
+}
 #endif /* defined(HAS_TASK_MOTIONSENSE) */

board/oak/board.h

@@ -79,6 +79,7 @@
 #define CONFIG_LID_ANGLE
 #define CONFIG_LID_ANGLE_SENSOR_BASE 0
 #define CONFIG_LID_ANGLE_SENSOR_LID 2
+#define CONFIG_LID_ANGLE_UPDATE
 #define CONFIG_LID_SWITCH
 #define CONFIG_LOW_POWER_IDLE
 #define CONFIG_MKBP_EVENT

common/lid_angle.c

@@ -164,3 +164,10 @@ static void enable_peripherals(void)
 	lid_angle_peripheral_enable(1);
 }
 DECLARE_HOOK(HOOK_CHIPSET_RESUME, enable_peripherals, HOOK_PRIO_DEFAULT);
+
+/* Board level callback was not linked in test build, implement it here. */
+#ifdef TEST_BUILD
+void lid_angle_peripheral_enable(int enable)
+{
+}
+#endif