278 static int max1027_wait_eoc(struct iio_dev *indio_dev)  in max1027_wait_eoc()  argument
280 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_wait_eoc()
291 		if (indio_dev->active_scan_mask)  in max1027_wait_eoc()
292 			conversion_time *= hweight32(*indio_dev->active_scan_mask);  in max1027_wait_eoc()
301 static int max1027_configure_chans_and_start(struct iio_dev *indio_dev)  in max1027_configure_chans_and_start()  argument
303 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_configure_chans_and_start()
306 	st->reg |= MAX1027_CHAN(fls(*indio_dev->active_scan_mask) - 2);  in max1027_configure_chans_and_start()
307 	if (*indio_dev->active_scan_mask & MAX1X27_SCAN_MASK_TEMP)  in max1027_configure_chans_and_start()
313 static int max1027_enable_trigger(struct iio_dev *indio_dev, bool enable)  in max1027_enable_trigger()  argument
315 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_enable_trigger()
332 static int max1027_read_single_value(struct iio_dev *indio_dev,  in max1027_read_single_value()  argument
337 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_read_single_value()
339 	ret = iio_device_claim_direct_mode(indio_dev);  in max1027_read_single_value()
350 		dev_err(&indio_dev->dev,  in max1027_read_single_value()
360 	ret = max1027_wait_eoc(indio_dev);  in max1027_read_single_value()
368 	iio_device_release_direct_mode(indio_dev);  in max1027_read_single_value()
378 static int max1027_read_raw(struct iio_dev *indio_dev,  in max1027_read_raw()  argument
383 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_read_raw()
389 		ret = max1027_read_single_value(indio_dev, chan, val);  in max1027_read_raw()
418 static int max1027_debugfs_reg_access(struct iio_dev *indio_dev,  in max1027_debugfs_reg_access()  argument
422 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_debugfs_reg_access()
437 	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);  in max1027_set_cnvst_trigger_state()  local
446 	ret = max1027_enable_trigger(indio_dev, state);  in max1027_set_cnvst_trigger_state()
451 		ret = max1027_configure_chans_and_start(indio_dev);  in max1027_set_cnvst_trigger_state()
459 static int max1027_read_scan(struct iio_dev *indio_dev)  in max1027_read_scan()  argument
461 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_read_scan()
465 	scanned_chans = fls(*indio_dev->active_scan_mask) - 1;  in max1027_read_scan()
466 	if (*indio_dev->active_scan_mask & MAX1X27_SCAN_MASK_TEMP)  in max1027_read_scan()
474 	iio_push_to_buffers(indio_dev, st->buffer);  in max1027_read_scan()
481 	struct iio_dev *indio_dev = private;  in max1027_handler()  local
482 	struct max1027_state *st = iio_priv(indio_dev);  in max1027_handler()
495 	if (!iio_buffer_enabled(indio_dev))  in max1027_handler()
498 		iio_trigger_poll(indio_dev->trig);  in max1027_handler()
506 	struct iio_dev *indio_dev = pf->indio_dev;  in max1027_trigger_handler()  local
509 	if (!iio_trigger_using_own(indio_dev)) {  in max1027_trigger_handler()
510 		ret = max1027_configure_chans_and_start(indio_dev);  in max1027_trigger_handler()
515 		ret = max1027_wait_eoc(indio_dev);  in max1027_trigger_handler()
520 	ret = max1027_read_scan(indio_dev);  in max1027_trigger_handler()
523 		dev_err(&indio_dev->dev,  in max1027_trigger_handler()
526 	iio_trigger_notify_done(indio_dev->trig);  in max1027_trigger_handler()
544 	struct iio_dev *indio_dev;  in max1027_probe()  local
547 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in max1027_probe()
548 	if (!indio_dev) {  in max1027_probe()
553 	st = iio_priv(indio_dev);  in max1027_probe()
560 	indio_dev->name = spi_get_device_id(spi)->name;  in max1027_probe()
561 	indio_dev->info = &max1027_info;  in max1027_probe()
562 	indio_dev->modes = INDIO_DIRECT_MODE;  in max1027_probe()
563 	indio_dev->channels = st->info->channels;  in max1027_probe()
564 	indio_dev->num_channels = st->info->num_channels;  in max1027_probe()
565 	indio_dev->available_scan_masks = st->info->available_scan_masks;  in max1027_probe()
567 	st->buffer = devm_kmalloc_array(&indio_dev->dev,  in max1027_probe()
568 					indio_dev->num_channels, 2,  in max1027_probe()
574 	ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev,  in max1027_probe()
579 		dev_err(&indio_dev->dev, "Failed to setup buffer\n");  in max1027_probe()
586 						  indio_dev->name);  in max1027_probe()
589 			dev_err(&indio_dev->dev,  in max1027_probe()
595 		iio_trigger_set_drvdata(st->trig, indio_dev);  in max1027_probe()
596 		ret = devm_iio_trigger_register(&indio_dev->dev,  in max1027_probe()
599 			dev_err(&indio_dev->dev,  in max1027_probe()
606 				       spi->dev.driver->name, indio_dev);  in max1027_probe()
608 			dev_err(&indio_dev->dev, "Failed to allocate IRQ.\n");  in max1027_probe()
617 		dev_err(&indio_dev->dev, "Failed to reset the ADC\n");  in max1027_probe()
625 		dev_err(&indio_dev->dev, "Failed to configure averaging register\n");  in max1027_probe()
630 	ret = max1027_enable_trigger(indio_dev, false);  in max1027_probe()
634 	return devm_iio_device_register(&spi->dev, indio_dev);  in max1027_probe()