diff options
| author | Hyongbin Kim <hyongbink@nvidia.com> | 2013-08-12 19:46:55 +0900 |
|---|---|---|
| committer | Gabby Lee <galee@nvidia.com> | 2013-08-13 01:28:16 -0700 |
| commit | 8f74af093cd0e5859a9adce2b98ee0d316609a93 (patch) | |
| tree | 80ee8f13a512b4ddd8bdbacb7f28384d3b37d0d3 /drivers | |
| parent | fd4453a8ffb35dcca59a079d6e7b5599f7ab4e48 (diff) | |
power: max17048: Set default RCOMP when power off
Reset to default RCOMP value when power off.
Bug 1341794
Change-Id: I4b5b4d375a39593c67bf38703e782ce2d1bec933
Signed-off-by: Hyongbin Kim <hyongbink@nvidia.com>
Reviewed-on: http://git-master/r/260486
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Gabby Lee <galee@nvidia.com>
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); |