diff options
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/accel/bmc150-accel.c | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c index 73e87739d219..4e70f51c2370 100644 --- a/drivers/iio/accel/bmc150-accel.c +++ b/drivers/iio/accel/bmc150-accel.c @@ -196,7 +196,7 @@ struct bmc150_accel_data { u32 slope_thres; u32 range; int ev_enable_state; - int64_t timestamp, old_timestamp; + int64_t timestamp, old_timestamp; /* Only used in hw fifo mode. */ const struct bmc150_accel_chip_info *chip_info; }; @@ -1183,7 +1183,6 @@ static const struct iio_info bmc150_accel_info = { .write_event_value = bmc150_accel_write_event, .write_event_config = bmc150_accel_write_event_config, .read_event_config = bmc150_accel_read_event_config, - .validate_trigger = bmc150_accel_validate_trigger, .driver_module = THIS_MODULE, }; @@ -1222,7 +1221,7 @@ static irqreturn_t bmc150_accel_trigger_handler(int irq, void *p) mutex_unlock(&data->mutex); iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, - data->timestamp); + pf->timestamp); err_read: iio_trigger_notify_done(indio_dev->trig); @@ -1535,6 +1534,13 @@ static int bmc150_accel_fifo_set_mode(struct bmc150_accel_data *data) return ret; } +static int bmc150_accel_buffer_preenable(struct iio_dev *indio_dev) +{ + struct bmc150_accel_data *data = iio_priv(indio_dev); + + return bmc150_accel_set_power_state(data, true); +} + static int bmc150_accel_buffer_postenable(struct iio_dev *indio_dev) { struct bmc150_accel_data *data = iio_priv(indio_dev); @@ -1591,9 +1597,18 @@ out: return 0; } +static int bmc150_accel_buffer_postdisable(struct iio_dev *indio_dev) +{ + struct bmc150_accel_data *data = iio_priv(indio_dev); + + return bmc150_accel_set_power_state(data, false); +} + static const struct iio_buffer_setup_ops bmc150_accel_buffer_ops = { + .preenable = bmc150_accel_buffer_preenable, .postenable = bmc150_accel_buffer_postenable, .predisable = bmc150_accel_buffer_predisable, + .postdisable = bmc150_accel_buffer_postdisable, }; static int bmc150_accel_probe(struct i2c_client *client, @@ -1636,6 +1651,15 @@ static int bmc150_accel_probe(struct i2c_client *client, indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &bmc150_accel_info; + ret = iio_triggered_buffer_setup(indio_dev, + &iio_pollfunc_store_time, + bmc150_accel_trigger_handler, + &bmc150_accel_buffer_ops); + if (ret < 0) { + dev_err(&client->dev, "Failed: iio triggered buffer setup\n"); + return ret; + } + if (client->irq < 0) client->irq = bmc150_accel_gpio_probe(client, data); @@ -1648,7 +1672,7 @@ static int bmc150_accel_probe(struct i2c_client *client, BMC150_ACCEL_IRQ_NAME, indio_dev); if (ret) - return ret; + goto err_buffer_cleanup; /* * Set latched mode interrupt. While certain interrupts are @@ -1661,24 +1685,14 @@ static int bmc150_accel_probe(struct i2c_client *client, BMC150_ACCEL_INT_MODE_LATCH_RESET); if (ret < 0) { dev_err(&data->client->dev, "Error writing reg_int_rst_latch\n"); - return ret; + goto err_buffer_cleanup; } bmc150_accel_interrupts_setup(indio_dev, data); ret = bmc150_accel_triggers_setup(indio_dev, data); if (ret) - return ret; - - ret = iio_triggered_buffer_setup(indio_dev, - &iio_pollfunc_store_time, - bmc150_accel_trigger_handler, - &bmc150_accel_buffer_ops); - if (ret < 0) { - dev_err(&client->dev, - "Failed: iio triggered buffer setup\n"); - goto err_trigger_unregister; - } + goto err_buffer_cleanup; if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) || i2c_check_functionality(client->adapter, @@ -1692,7 +1706,7 @@ static int bmc150_accel_probe(struct i2c_client *client, ret = iio_device_register(indio_dev); if (ret < 0) { dev_err(&client->dev, "Unable to register iio device\n"); - goto err_buffer_cleanup; + goto err_trigger_unregister; } ret = pm_runtime_set_active(&client->dev); @@ -1708,11 +1722,10 @@ static int bmc150_accel_probe(struct i2c_client *client, err_iio_unregister: iio_device_unregister(indio_dev); -err_buffer_cleanup: - if (indio_dev->pollfunc) - iio_triggered_buffer_cleanup(indio_dev); err_trigger_unregister: bmc150_accel_unregister_triggers(data, BMC150_ACCEL_TRIGGERS - 1); +err_buffer_cleanup: + iio_triggered_buffer_cleanup(indio_dev); return ret; } @@ -1730,6 +1743,8 @@ static int bmc150_accel_remove(struct i2c_client *client) bmc150_accel_unregister_triggers(data, BMC150_ACCEL_TRIGGERS - 1); + iio_triggered_buffer_cleanup(indio_dev); + mutex_lock(&data->mutex); bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_DEEP_SUSPEND, 0); mutex_unlock(&data->mutex); |