iio_backend_read_raw(9)
π iio_backend_read_raw β like, the Kernel API Manual page for it
okay so bestie, welcome to iio_backend_read_raw(9) π this little icon grabs a channel attribute off a backend device. that's the whole vibe. no cap.
β¨ NAME β¨
iio_backend_read_raw β read a channel attribute from a backend device π
π¦ SYNOPSIS π¦
int iio_backend_read_raw (struct iio_backend *back , struct
iio_chan_spec const *chan , int *val , int *val2 , long mask );
like yes, that's a lot of parameters. breathe. we'll go through them one by one π
πΈ ARGUMENTS πΈ
backβ the backend device itself. your main character device, honestly πchanβ the IIO channel reference. which channel are we even talking about, iykykvalβ the first returned value goes in here β¨val2β and the second returned value goes here. two values, one function, slay πmaskβ tells the function which attribute to hand back. specificity queen π―
β RETURN β
0 on success π and a negative error number if it flops π fr fr, check it.
no lies detected: if you get a negative number back, something went wrong. don't ignore it bestie π
π₯ SEE ALSO π₯
the kernel file itself is literally right here: ./drivers/iio/industrialio-backend.c π«Ά
and here's the whole friend group, every single one of them:
iio_backend_debugfs_add(9)iio_backend_debugfs_print_chan_status(9)iio_backend_chan_enable(9)iio_backend_chan_disable(9)iio_backend_disable(9)iio_backend_enable(9)devm_iio_backend_enable(9)iio_backend_data_format_set(9)iio_backend_data_source_set(9)iio_backend_data_source_get(9)iio_backend_set_sampling_freq(9)iio_backend_test_pattern_set(9)iio_backend_chan_status(9)iio_backend_iodelay_set(9)iio_backend_data_sample_trigger(9)devm_iio_backend_request_buffer(9)iio_backend_ext_info_get(9)iio_backend_ext_info_set(9)iio_backend_interface_type_get(9)iio_backend_data_size_set(9)iio_backend_oversampling_ratio_set(9)iio_backend_extend_chan_spec(9)iio_backend_has_caps(9)iio_backend_filter_type_set(9)iio_backend_interface_data_align(9)iio_backend_num_lanes_set(9)iio_backend_ddr_enable(9)iio_backend_ddr_disable(9)iio_backend_data_stream_enable(9)iio_backend_data_stream_disable(9)iio_backend_data_transfer_addr(9)devm_iio_backend_get(9)devm_iio_backend_get_by_index(9)devm_iio_backend_fwnode_get(9)__devm_iio_backend_get_from_fwnode_lookup(9)iio_backend_get_priv(9)devm_iio_backend_register(9)
okay that's the whole page, mwah π this came out of ./drivers/iio and it's dated October 2026 β so yeah, future-coded of it π go read a channel attribute, you got this π§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