diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/magnetometer/ak8975.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index dbab4d0bba34..0fb2fd03d11c 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -899,6 +899,28 @@ static irqreturn_t ak8975_handle_trigger(int irq, void *p) return IRQ_HANDLED; } +static int ak8975_buffer_preenable(struct iio_dev *indio_dev) +{ + struct ak8975_data *data = iio_priv(indio_dev); + struct device *dev = &data->client->dev; + + return pm_runtime_resume_and_get(dev); +} + +static int ak8975_buffer_postdisable(struct iio_dev *indio_dev) +{ + struct ak8975_data *data = iio_priv(indio_dev); + struct device *dev = &data->client->dev; + + pm_runtime_put_autosuspend(dev); + + return 0; +} + +static const struct iio_buffer_setup_ops ak8975_buffer_setup_ops = { + .preenable = ak8975_buffer_preenable, + .postdisable = ak8975_buffer_postdisable, +}; static int ak8975_probe(struct i2c_client *client) { const struct i2c_device_id *id = i2c_client_get_device_id(client); @@ -992,7 +1014,7 @@ static int ak8975_probe(struct i2c_client *client) indio_dev->name = name; ret = iio_triggered_buffer_setup(indio_dev, NULL, ak8975_handle_trigger, - NULL); + &ak8975_buffer_setup_ops); if (ret) { dev_err(&client->dev, "triggered buffer setup failed\n"); goto power_off; |