iio_read_ava...el_attribute(9)
π iio_read_avail_channel_attribute(9) β Kernel API Manual energy π
okay so bestie, welcome to the Kernel API Manual (that's the manual name, slay) and today's main character is iio_read_avail_channel_attribute. it reads the available channel attribute values. yes, that's the whole vibe. let's get into it π
β¨ NAME β¨
iio_read_avail_channel_attribute β read available channel attribute values π
π¦ SYNOPSIS π¦
int iio_read_avail_channel_attribute(struct iio_channel *chan, const int **vals, int *type, int *length, enum iio_chan_info_enum attribute);
πΈ ARGUMENTS πΈ
chanβ the channel being queried. it's the one on the stand, the main character, the reason we're all here π«Άvalsβ the available values get read back into here. this is where the tea gets poured β¨typeβ the type of the values that get read back. gotta know what flavour you're sipping ngllengthβ number of entries invals. like, how many values actually showed up to the party πattributeβ the info attribute to be read back. which little info vibe we're asking about π₯
π DESCRIPTION π
so the way this works: it returns an error code, IIO_AVAIL_RANGE or IIO_AVAIL_LIST. that's literally it, that's the whole description, and honestly? iconic. minimal. no notes. π
lowkey important to actually check that return value bestie, an error code can come back too β don't just assume it's one of the two avail vibes π
π SEE ALSO π
okay this list is long long, but every single one of these deserves a shoutout, no skips, fr fr. also heads up: the kernel file is ./include/linux/iio/consumer.h. π
struct iio_channel(9)iio_channel_get(9)iio_channel_release(9)devm_iio_channel_get(9)iio_channel_get_all(9)iio_channel_release_all(9)devm_iio_channel_get_all(9)fwnode_iio_channel_get_by_name(9)devm_fwnode_iio_channel_get_by_name(9)iio_channel_get_all_cb(9)iio_channel_cb_set_buffer_watermark(9)iio_channel_release_all_cb(9)iio_channel_start_all_cb(9)iio_channel_stop_all_cb(9)iio_channel_cb_get_channels(9)iio_channel_cb_get_iio_dev(9)iio_read_channel_raw(9)iio_read_channel_average_raw(9)iio_read_channel_processed(9)iio_read_channel_processed_scale(9)iio_write_channel_attribute(9)iio_read_channel_attribute(9)iio_write_channel_raw(9)iio_read_max_channel_raw(9)iio_read_min_channel_raw(9)iio_read_avail_channel_raw(9)iio_get_channel_type(9)iio_read_channel_offset(9)iio_read_channel_scale(9)iio_multiply_value(9)iio_convert_raw_to_processed(9)iio_get_channel_ext_info_count(9)iio_read_channel_ext_info(9)iio_write_channel_ext_info(9)iio_read_channel_label(9)
like, that's the whole friend group. all invited. all valid. π
and that's the page!! π¦ this little cutie lives in ./include/linux/iio, it's the October 2026 version, and it's page iio_read_avail_channel_attribute(9) if you need to find it again. go read some available channel attribute values, bestie β you're gonna ate π
β¨π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms