diff options
| -rw-r--r-- | common/virtual_battery.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/common/virtual_battery.c b/common/virtual_battery.c index e9d1c2811d..ef33a4c67a 100644 --- a/common/virtual_battery.c +++ b/common/virtual_battery.c @@ -177,6 +177,7 @@ int virtual_battery_operation(const uint8_t *batt_cmd_head, int write_len) { int val; + int year, month, day; /* * We cache battery operational mode locally for both read and write * commands. If MODE_CAPACITY bit is set, battery capacity will be @@ -300,6 +301,20 @@ int virtual_battery_operation(const uint8_t *batt_cmd_head, return EC_ERROR_INVAL; memcpy(dest, &val, bounded_read_len); break; + case SB_MANUFACTURE_DATE: + /* This may cause an i2c transaction */ + if (!battery_manufacture_date(&year, &month, &day)) { + /* Encode in Smart Battery Spec format */ + val = ((year - 1980) << 9) + (month << 5) + day; + } else { + /* + * Return 0 on error. The kernel is unhappy with + * returning an error code. + */ + val = 0; + } + memcpy(dest, &val, bounded_read_len); + break; case SB_MANUFACTURER_ACCESS: /* No manuf. access reg access allowed over VB interface */ return EC_ERROR_INVAL; |