880 	const struct iio_chan_spec_ext_info *ext_info;  in iio_get_channel_ext_info_count()  local
883 	if (!chan->channel->ext_info)  in iio_get_channel_ext_info_count()
886 	for (ext_info = chan->channel->ext_info; ext_info->name; ext_info++)  in iio_get_channel_ext_info_count()
897 	const struct iio_chan_spec_ext_info *ext_info;  in iio_lookup_ext_info()  local
899 	if (!chan->channel->ext_info)  in iio_lookup_ext_info()
902 	for (ext_info = chan->channel->ext_info; ext_info->name; ++ext_info) {  in iio_lookup_ext_info()
903 		if (!strcmp(attr, ext_info->name))  in iio_lookup_ext_info()
904 			return ext_info;  in iio_lookup_ext_info()
913 	const struct iio_chan_spec_ext_info *ext_info;  in iio_read_channel_ext_info()  local
915 	ext_info = iio_lookup_ext_info(chan, attr);  in iio_read_channel_ext_info()
916 	if (!ext_info)  in iio_read_channel_ext_info()
919 	return ext_info->read(chan->indio_dev, ext_info->private,  in iio_read_channel_ext_info()
927 	const struct iio_chan_spec_ext_info *ext_info;  in iio_write_channel_ext_info()  local
929 	ext_info = iio_lookup_ext_info(chan, attr);  in iio_write_channel_ext_info()
930 	if (!ext_info)  in iio_write_channel_ext_info()
933 	return ext_info->write(chan->indio_dev, ext_info->private,  in iio_write_channel_ext_info()