diff options
| -rw-r--r-- | drivers/power/bq27x00_battery.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c index a0f205b0471d..e10763e3a1d5 100644 --- a/drivers/power/bq27x00_battery.c +++ b/drivers/power/bq27x00_battery.c @@ -416,6 +416,9 @@ static void bq27x00_update(struct bq27x00_device_info *di) bool is_bq27425 = di->chip == BQ27425; cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, !is_bq27500); + if ((cache.flags & 0xff) == 0xff) + /* read error */ + cache.flags = -1; if (cache.flags >= 0) { if (!is_bq27500 && !is_bq27425 && (cache.flags & BQ27000_FLAG_CI)) { |