218 static int max1027_read_single_value(struct iio_dev *indio_dev,  in max1027_read_single_value()  argument
223 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_read_single_value()
225 	if (iio_buffer_enabled(indio_dev)) {  in max1027_read_single_value()
226 		dev_warn(&indio_dev->dev, "trigger mode already enabled");  in max1027_read_single_value()
234 		dev_err(&indio_dev->dev,  in max1027_read_single_value()
246 		dev_err(&indio_dev->dev,  in max1027_read_single_value()
268 static int max1027_read_raw(struct iio_dev *indio_dev,  in max1027_read_raw()  argument
273 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_read_raw()
279 		ret = max1027_read_single_value(indio_dev, chan, val);  in max1027_read_raw()
308 static int max1027_debugfs_reg_access(struct iio_dev *indio_dev,  in max1027_debugfs_reg_access()  argument
312 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_debugfs_reg_access()
322 static int max1027_validate_trigger(struct iio_dev *indio_dev,  in max1027_validate_trigger()  argument
325 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_validate_trigger()
335 	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);  in max1027_set_trigger_state()  local
336 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_set_trigger_state()
368 	struct iio_dev *indio_dev = pf->indio_dev;  in max1027_trigger_handler()  local
369 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_trigger_handler()
374 	spi_read(st->spi, st->buffer, indio_dev->masklength * 2);  in max1027_trigger_handler()
376 	iio_push_to_buffers(indio_dev, st->buffer);  in max1027_trigger_handler()
378 	iio_trigger_notify_done(indio_dev->trig);  in max1027_trigger_handler()
397 	struct iio_dev *indio_dev;  in max1027_probe()  local
402 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in max1027_probe()
403 	if (indio_dev == NULL) {  in max1027_probe()
408 	spi_set_drvdata(spi, indio_dev);  in max1027_probe()
410 	st = iio_priv(indio_dev);  in max1027_probe()
416 	indio_dev->name = spi_get_device_id(spi)->name;  in max1027_probe()
417 	indio_dev->dev.parent = &spi->dev;  in max1027_probe()
418 	indio_dev->dev.of_node = spi->dev.of_node;  in max1027_probe()
419 	indio_dev->info = &max1027_info;  in max1027_probe()
420 	indio_dev->modes = INDIO_DIRECT_MODE;  in max1027_probe()
421 	indio_dev->channels = st->info->channels;  in max1027_probe()
422 	indio_dev->num_channels = st->info->num_channels;  in max1027_probe()
423 	indio_dev->available_scan_masks = st->info->available_scan_masks;  in max1027_probe()
425 	st->buffer = devm_kmalloc_array(&indio_dev->dev,  in max1027_probe()
426 				  indio_dev->num_channels, 2,  in max1027_probe()
429 		dev_err(&indio_dev->dev, "Can't allocate buffer\n");  in max1027_probe()
433 	ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,  in max1027_probe()
436 		dev_err(&indio_dev->dev, "Failed to setup buffer\n");  in max1027_probe()
441 							indio_dev->name);  in max1027_probe()
444 		dev_err(&indio_dev->dev, "Failed to allocate iio trigger\n");  in max1027_probe()
450 	iio_trigger_set_drvdata(st->trig, indio_dev);  in max1027_probe()
459 		dev_err(&indio_dev->dev, "Failed to allocate IRQ.\n");  in max1027_probe()
467 		dev_err(&indio_dev->dev, "Failed to configure averaging register\n");  in max1027_probe()
471 	ret = iio_device_register(indio_dev);  in max1027_probe()
473 		dev_err(&indio_dev->dev, "Failed to register iio device\n");  in max1027_probe()
481 	iio_triggered_buffer_cleanup(indio_dev);  in max1027_probe()
488 	struct iio_dev *indio_dev = spi_get_drvdata(spi);  in max1027_remove()  local
492 	iio_device_unregister(indio_dev);  in max1027_remove()
493 	iio_triggered_buffer_cleanup(indio_dev);  in max1027_remove()