diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/max17048_battery.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/power/max17048_battery.c b/drivers/power/max17048_battery.c index c125247cf64a..6c6c1c5b0cf9 100644 --- a/drivers/power/max17048_battery.c +++ b/drivers/power/max17048_battery.c @@ -953,6 +953,26 @@ static int __devexit max17048_remove(struct i2c_client *client) static void max17048_shutdown(struct i2c_client *client) { struct max17048_chip *chip = i2c_get_clientdata(client); + struct max17048_battery_model *mdata = chip->pdata->model_data; + int ret, val; + + /* reset RCOMP to default value */ + val = max17048_read_word(client, MAX17048_CONFIG); + if (val < 0) { + dev_err(&client->dev, + "%s(): Failed in reading register" \ + "MAX17048_CONFIG err %d\n", + __func__, val); + } else { + /* clear upper byte */ + val &= 0xFF; + /* Apply defaut Rcomp value */ + val |= (mdata->rcomp << 8); + ret = max17048_write_word(client, MAX17048_CONFIG, val); + if (ret < 0) + dev_err(&client->dev, + "failed set RCOMP\n"); + } if (client->irq) disable_irq(client->irq); |