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pyro: battery FW update tool modify for learning mode

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Let unit can't update battery FW when battery state in learning mode.

BUG=b:36372859
BRANCH=reef
TEST=check unit can't update battery FW in learning mode.

Change-Id: I9d69811d84fc386cda6adb51be51f1cfb4fcdf55
Signed-off-by: Bruce.Wan <Bruce.Wan@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/454656
Commit-Ready: Keith Tzeng <keith.tzeng@quantatw.com>
Tested-by: Keith Tzeng <keith.tzeng@quantatw.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Bruce
2017-03-14 18:42:57 +08:00
committed by chrome-bot
parent c4fe1efc2c
commit 80cb93f45d
1 changed files with 21 additions and 1 deletions
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22
util/ec_sb_firmware_update.c
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@@ -72,7 +72,8 @@ enum {
F_UPDATE = 0x4, /* do firmware update */
F_NEED_UPDATE = 0x8, /* need firmware update */
F_POWERD_DISABLED = 0x10, /* powerd is disabled */
F_LFCC_ZERO = 0x20 /* last full charge is zero */
F_LFCC_ZERO = 0x20, /* last full charge is zero */
F_BATT_DISCHARGE = 0x40 /* battery discharging */
};
struct fw_update_ctrl {
@@ -471,6 +472,20 @@ static enum fw_update_state s1_read_battery_info(
"Require AC Adapter Counnected.");
return S10_TERMINAL;
}
if ((fw_update->flags & F_BATT_DISCHARGE) &&
(fw_update->flags & F_AC_PRESENT)) {
/*
* If battery discharge due to battery learning mode,
* we can't update battery FW, because device will shutdown
* during FW update.
*/
fw_update->rv = 0;
log_msg(fw_update, S1_READ_INFO,
"battery can't update in learning mode");
return S10_TERMINAL;
}
return S2_WRITE_PREPARE;
}
@@ -790,6 +805,11 @@ int main(int argc, char *argv[])
printf("AC_PRESENT\n");
}
}
if (val & EC_BATT_FLAG_DISCHARGING) {
fw_update.flags |= F_BATT_DISCHARGE;
printf("Battery is in discharge state\n");
}
rv = ec_readmem(EC_MEMMAP_BATT_LFCC, sizeof(val), &val);
if (rv <= 0) {
printf("EC Memmap read error:%d\n", rv);