85 	const struct iio_chan_spec *chan = NULL;  in iio_chan_spec_from_name()  local
90 			chan = &indio_dev->channels[i];  in iio_chan_spec_from_name()
93 	return chan;  in iio_chan_spec_from_name()
191 	struct iio_channel *chan = NULL;  in of_iio_channel_get_by_name()  local
206 		chan = of_iio_channel_get(np, index);  in of_iio_channel_get_by_name()
207 		if (!IS_ERR(chan) || PTR_ERR(chan) == -EPROBE_DEFER)  in of_iio_channel_get_by_name()
225 	return chan;  in of_iio_channel_get_by_name()
436 	struct iio_channel *chan = &channels[0];  in iio_channel_release_all()  local
438 	while (chan->indio_dev) {  in iio_channel_release_all()
439 		iio_device_put(chan->indio_dev);  in iio_channel_release_all()
440 		chan++;  in iio_channel_release_all()
446 static int iio_channel_read(struct iio_channel *chan, int *val, int *val2,  in iio_channel_read()  argument
457 	if(!iio_channel_has_info(chan->channel, info))  in iio_channel_read()
460 	if (chan->indio_dev->info->read_raw_multi) {  in iio_channel_read()
461 		ret = chan->indio_dev->info->read_raw_multi(chan->indio_dev,  in iio_channel_read()
462 					chan->channel, INDIO_MAX_RAW_ELEMENTS,  in iio_channel_read()
467 		ret = chan->indio_dev->info->read_raw(chan->indio_dev,  in iio_channel_read()
468 					chan->channel, val, val2, info);  in iio_channel_read()
473 int iio_read_channel_raw(struct iio_channel *chan, int *val)  in iio_read_channel_raw()  argument
477 	mutex_lock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_raw()
478 	if (chan->indio_dev->info == NULL) {  in iio_read_channel_raw()
483 	ret = iio_channel_read(chan, val, NULL, IIO_CHAN_INFO_RAW);  in iio_read_channel_raw()
485 	mutex_unlock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_raw()
491 int iio_read_channel_average_raw(struct iio_channel *chan, int *val)  in iio_read_channel_average_raw()  argument
495 	mutex_lock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_average_raw()
496 	if (chan->indio_dev->info == NULL) {  in iio_read_channel_average_raw()
501 	ret = iio_channel_read(chan, val, NULL, IIO_CHAN_INFO_AVERAGE_RAW);  in iio_read_channel_average_raw()
503 	mutex_unlock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_average_raw()
509 static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,  in iio_convert_raw_to_processed_unlocked()  argument
516 	ret = iio_channel_read(chan, &offset, NULL, IIO_CHAN_INFO_OFFSET);  in iio_convert_raw_to_processed_unlocked()
520 	scale_type = iio_channel_read(chan, &scale_val, &scale_val2,  in iio_convert_raw_to_processed_unlocked()
559 int iio_convert_raw_to_processed(struct iio_channel *chan, int raw,  in iio_convert_raw_to_processed()  argument
564 	mutex_lock(&chan->indio_dev->info_exist_lock);  in iio_convert_raw_to_processed()
565 	if (chan->indio_dev->info == NULL) {  in iio_convert_raw_to_processed()
570 	ret = iio_convert_raw_to_processed_unlocked(chan, raw, processed,  in iio_convert_raw_to_processed()
573 	mutex_unlock(&chan->indio_dev->info_exist_lock);  in iio_convert_raw_to_processed()
579 int iio_read_channel_processed(struct iio_channel *chan, int *val)  in iio_read_channel_processed()  argument
583 	mutex_lock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_processed()
584 	if (chan->indio_dev->info == NULL) {  in iio_read_channel_processed()
589 	if (iio_channel_has_info(chan->channel, IIO_CHAN_INFO_PROCESSED)) {  in iio_read_channel_processed()
590 		ret = iio_channel_read(chan, val, NULL,  in iio_read_channel_processed()
593 		ret = iio_channel_read(chan, val, NULL, IIO_CHAN_INFO_RAW);  in iio_read_channel_processed()
596 		ret = iio_convert_raw_to_processed_unlocked(chan, *val, val, 1);  in iio_read_channel_processed()
600 	mutex_unlock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_processed()
606 int iio_read_channel_scale(struct iio_channel *chan, int *val, int *val2)  in iio_read_channel_scale()  argument
610 	mutex_lock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_scale()
611 	if (chan->indio_dev->info == NULL) {  in iio_read_channel_scale()
616 	ret = iio_channel_read(chan, val, val2, IIO_CHAN_INFO_SCALE);  in iio_read_channel_scale()
618 	mutex_unlock(&chan->indio_dev->info_exist_lock);  in iio_read_channel_scale()
624 int iio_get_channel_type(struct iio_channel *chan, enum iio_chan_type *type)  in iio_get_channel_type()  argument
629 	mutex_lock(&chan->indio_dev->info_exist_lock);  in iio_get_channel_type()
630 	if (chan->indio_dev->info == NULL) {  in iio_get_channel_type()
635 	*type = chan->channel->type;  in iio_get_channel_type()
637 	mutex_unlock(&chan->indio_dev->info_exist_lock);  in iio_get_channel_type()
643 static int iio_channel_write(struct iio_channel *chan, int val, int val2,  in iio_channel_write()  argument
646 	return chan->indio_dev->info->write_raw(chan->indio_dev,  in iio_channel_write()
647 						chan->channel, val, val2, info);  in iio_channel_write()
650 int iio_write_channel_raw(struct iio_channel *chan, int val)  in iio_write_channel_raw()  argument
654 	mutex_lock(&chan->indio_dev->info_exist_lock);  in iio_write_channel_raw()
655 	if (chan->indio_dev->info == NULL) {  in iio_write_channel_raw()
660 	ret = iio_channel_write(chan, val, 0, IIO_CHAN_INFO_RAW);  in iio_write_channel_raw()
662 	mutex_unlock(&chan->indio_dev->info_exist_lock);  in iio_write_channel_raw()