fwk: sunflower: EC shouldn't communicate with PD chip during flashing PD

We found the PD update fail is because EC still communicate with PD during
flashing.

This change return the update battery status function during flashing the PD chips.

BRANCH=sunflower
BUG=None
TEST=use i2ctrance to ensure EC does not communicate with PD chip

Signed-off-by: Josh-Tsai <[email protected]>
(cherry picked from commit eb83285)

Author: Josh-Tsai

zephyr/program/framework/include/cypress_pd_common.h

@@ -736,6 +736,11 @@ void update_system_power_state(int controller);
  */
 void set_pd_fw_update(bool is_update);
 
+/**
+ * @param updating return true when firmware is updating
+ */
+bool get_pd_fw_update_status(void);
+
 /**
  * After PD chip firmware update complete, need to reinitialize the PD chip
  */

zephyr/program/framework/src/cypd_ccg6.c

@@ -565,6 +565,10 @@ void cypd_customize_battery_status(void)
 		return;
 	}
 
+	/* we shouldn't update the battery status during pd chip is updating */
+	if (get_pd_fw_update_status())
+		return;
+
 	/* only update data when soc change */
 	if (batt.state_of_charge == pd_batt_soc)
 		return;

zephyr/program/framework/src/cypress_pd_common.c

@@ -1930,6 +1930,11 @@ void set_pd_fw_update(bool is_update)
 	firmware_update = is_update;
 }
 
+bool get_pd_fw_update_status(void)
+{
+	return firmware_update;
+}
+
 void cypd_reinitialize(void)
 {
 	int i;