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iio: light: ltr501: Powerdown device on error

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Power down device when an error occurs  in order to avoid wasting
power. Move powerdown function up to be seen by the new call and
align parameters for the ltr501_write_contr() call.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cristina Opriceana 2015-04-01 18:50:17 +03:00 committed by Greg Kroah-Hartman
parent c471c989ad
commit 1ca510b0ea
1 changed files with 10 additions and 8 deletions
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18
drivers/iio/light/ltr501.c
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@ -333,6 +333,13 @@ static int ltr501_init(struct ltr501_data *data)
data->ps_contr);
}
static int ltr501_powerdown(struct ltr501_data *data)
{
return ltr501_write_contr(data->client,
data->als_contr & ~LTR501_CONTR_ACTIVE,
data->ps_contr & ~LTR501_CONTR_ACTIVE);
}
static int ltr501_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@ -370,7 +377,7 @@ static int ltr501_probe(struct i2c_client *client,
ret = iio_triggered_buffer_setup(indio_dev, NULL,
ltr501_trigger_handler, NULL);
if (ret)
return ret;
goto powerdown_on_error;
ret = iio_device_register(indio_dev);
if (ret)
@ -380,16 +387,11 @@ static int ltr501_probe(struct i2c_client *client,
error_unreg_buffer:
iio_triggered_buffer_cleanup(indio_dev);
powerdown_on_error:
ltr501_powerdown(data);
return ret;
}
static int ltr501_powerdown(struct ltr501_data *data)
{
return ltr501_write_contr(data->client,
data->als_contr & ~LTR501_CONTR_ACTIVE,
data->ps_contr & ~LTR501_CONTR_ACTIVE);
}
static int ltr501_remove(struct i2c_client *client)
{
struct iio_dev *indio_dev = i2c_get_clientdata(client);