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()
244 		dev_err(&indio_dev->dev,  in max1027_read_single_value()
266 static int max1027_read_raw(struct iio_dev *indio_dev,  in max1027_read_raw()  argument
271 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_read_raw()
277 		ret = max1027_read_single_value(indio_dev, chan, val);  in max1027_read_raw()
306 static int max1027_debugfs_reg_access(struct iio_dev *indio_dev,  in max1027_debugfs_reg_access()  argument
310 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_debugfs_reg_access()
320 static int max1027_validate_trigger(struct iio_dev *indio_dev,  in max1027_validate_trigger()  argument
323 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_validate_trigger()
333 	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);  in max1027_set_trigger_state()  local
334 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_set_trigger_state()
364 				   struct iio_dev *indio_dev)  in max1027_validate_device()  argument
368 	if (indio != indio_dev)  in max1027_validate_device()
377 	struct iio_dev *indio_dev = pf->indio_dev;  in max1027_trigger_handler()  local
378 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_trigger_handler()
383 	spi_read(st->spi, st->buffer, indio_dev->masklength * 2);  in max1027_trigger_handler()
385 	iio_push_to_buffers(indio_dev, st->buffer);  in max1027_trigger_handler()
387 	iio_trigger_notify_done(indio_dev->trig);  in max1027_trigger_handler()
408 	struct iio_dev *indio_dev;  in max1027_probe()  local
413 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in max1027_probe()
414 	if (indio_dev == NULL) {  in max1027_probe()
419 	spi_set_drvdata(spi, indio_dev);  in max1027_probe()
421 	st = iio_priv(indio_dev);  in max1027_probe()
427 	indio_dev->name = spi_get_device_id(spi)->name;  in max1027_probe()
428 	indio_dev->dev.parent = &spi->dev;  in max1027_probe()
429 	indio_dev->info = &max1027_info;  in max1027_probe()
430 	indio_dev->modes = INDIO_DIRECT_MODE;  in max1027_probe()
431 	indio_dev->channels = st->info->channels;  in max1027_probe()
432 	indio_dev->num_channels = st->info->num_channels;  in max1027_probe()
433 	indio_dev->available_scan_masks = st->info->available_scan_masks;  in max1027_probe()
435 	st->buffer = devm_kmalloc(&indio_dev->dev,  in max1027_probe()
436 				  indio_dev->num_channels * 2,  in max1027_probe()
439 		dev_err(&indio_dev->dev, "Can't allocate buffer\n");  in max1027_probe()
443 	ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,  in max1027_probe()
446 		dev_err(&indio_dev->dev, "Failed to setup buffer\n");  in max1027_probe()
451 							indio_dev->name);  in max1027_probe()
454 		dev_err(&indio_dev->dev, "Failed to allocate iio trigger\n");  in max1027_probe()
460 	iio_trigger_set_drvdata(st->trig, indio_dev);  in max1027_probe()
469 		dev_err(&indio_dev->dev, "Failed to allocate IRQ.\n");  in max1027_probe()
477 		dev_err(&indio_dev->dev, "Failed to configure averaging register\n");  in max1027_probe()
481 	ret = iio_device_register(indio_dev);  in max1027_probe()
483 		dev_err(&indio_dev->dev, "Failed to register iio device\n");  in max1027_probe()
491 	iio_triggered_buffer_cleanup(indio_dev);  in max1027_probe()
498 	struct iio_dev *indio_dev = spi_get_drvdata(spi);  in max1027_remove()  local
502 	iio_device_unregister(indio_dev);  in max1027_remove()
503 	iio_triggered_buffer_cleanup(indio_dev);  in max1027_remove()