diff options
| -rw-r--r-- | drivers/power/bq20z75.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/power/bq20z75.c b/drivers/power/bq20z75.c index 7f9dfbf61cde..32e5a8c5c3df 100644 --- a/drivers/power/bq20z75.c +++ b/drivers/power/bq20z75.c @@ -648,6 +648,17 @@ static int __devinit bq20z75_probe(struct i2c_client *client, i2c_set_clientdata(client, bq20z75_device); + /* Probing for the presence of the bq20z75 */ + rc = bq20z75_read_word_data(client, + bq20z75_data[REG_SERIAL_NUMBER].addr); + + if (rc < 0) { + dev_err(&client->dev, + "%s: bq20z75 is not responding\n", __func__); + rc = -ENODEV; + goto exit_mem_free; + } + if (!bq20z75_device->gpio_detect) goto skip_gpio; @@ -687,7 +698,6 @@ static int __devinit bq20z75_probe(struct i2c_client *client, bq20z75_device->irq = irq; skip_gpio: - rc = power_supply_register(&client->dev, &bq20z75_device->power_supply); if (rc) { dev_err(&client->dev, @@ -710,6 +720,7 @@ exit_psupply: if (bq20z75_device->gpio_detect) gpio_free(pdata->battery_detect); +exit_mem_free: kfree(bq20z75_device); return rc; |