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-rw-r--r--drivers/power/bq27x00_battery.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 2a3e13d..96d64c66e 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -422,10 +422,13 @@ static void bq27x00_update(struct bq27x00_device_info *di)
int flags_changed;
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)) {
- dev_info(di->dev, "battery is not calibrated! ignoring capacity values\n");
+ dev_dbg(di->dev, "battery is not calibrated! ignoring capacity values\n");
cache.capacity = -ENODATA;
cache.energy = -ENODATA;
cache.time_to_empty = -ENODATA;