iio:bma180: Enable use of device without IRQ
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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3a0888edcf
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@ -529,7 +529,6 @@ static int bma180_probe(struct i2c_client *client,
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{
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struct bma180_data *data;
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struct iio_dev *indio_dev;
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struct iio_trigger *trig;
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int ret;
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indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
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@ -553,30 +552,32 @@ static int bma180_probe(struct i2c_client *client,
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indio_dev->modes = INDIO_DIRECT_MODE;
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indio_dev->info = &bma180_info;
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trig = iio_trigger_alloc("%s-dev%d", indio_dev->name, indio_dev->id);
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if (!trig) {
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ret = -ENOMEM;
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goto err_chip_disable;
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if (client->irq > 0) {
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data->trig = iio_trigger_alloc("%s-dev%d", indio_dev->name,
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indio_dev->id);
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if (!data->trig) {
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ret = -ENOMEM;
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goto err_chip_disable;
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}
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ret = devm_request_irq(&client->dev, client->irq,
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iio_trigger_generic_data_rdy_poll, IRQF_TRIGGER_RISING,
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BMA180_IRQ_NAME, data->trig);
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if (ret) {
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dev_err(&client->dev, "unable to request IRQ\n");
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goto err_trigger_free;
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}
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data->trig->dev.parent = &client->dev;
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data->trig->ops = &bma180_trigger_ops;
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iio_trigger_set_drvdata(data->trig, indio_dev);
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indio_dev->trig = data->trig;
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ret = iio_trigger_register(data->trig);
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if (ret)
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goto err_trigger_free;
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}
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ret = devm_request_irq(&client->dev, client->irq,
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iio_trigger_generic_data_rdy_poll,
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IRQF_TRIGGER_RISING, BMA180_IRQ_NAME, trig);
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if (ret) {
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dev_err(&client->dev, "unable to request IRQ\n");
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goto err_trigger_free;
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}
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trig->dev.parent = &client->dev;
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trig->ops = &bma180_trigger_ops;
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iio_trigger_set_drvdata(trig, indio_dev);
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data->trig = trig;
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indio_dev->trig = trig;
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ret = iio_trigger_register(trig);
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if (ret)
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goto err_trigger_free;
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ret = iio_triggered_buffer_setup(indio_dev, NULL,
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bma180_trigger_handler, NULL);
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if (ret < 0) {
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@ -595,9 +596,10 @@ static int bma180_probe(struct i2c_client *client,
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err_buffer_cleanup:
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iio_triggered_buffer_cleanup(indio_dev);
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err_trigger_unregister:
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iio_trigger_unregister(trig);
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if (data->trig)
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iio_trigger_unregister(data->trig);
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err_trigger_free:
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iio_trigger_free(trig);
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iio_trigger_free(data->trig);
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err_chip_disable:
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bma180_chip_disable(data);
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@ -611,8 +613,10 @@ static int bma180_remove(struct i2c_client *client)
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iio_device_unregister(indio_dev);
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iio_triggered_buffer_cleanup(indio_dev);
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iio_trigger_unregister(data->trig);
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iio_trigger_free(data->trig);
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if (data->trig) {
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iio_trigger_unregister(data->trig);
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iio_trigger_free(data->trig);
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}
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mutex_lock(&data->mutex);
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bma180_chip_disable(data);
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