devm_iio_device_register(9)

✨ devm_iio_device_register(9) ✨

okay so bestie, welcome to the kernel API manual 💅 this lil page is called devm_iio_device_register(9) and it lives in the Kernel API Manual, and honestly? it's a whole vibe. let's get into it 🫶

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🌸 NAME 🌸

devm_iio_device_register — the resource-managed version of iio_device_register(), and yes that "devm_" prefix is doing SO much heavy lifting for you, no cap 💖

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🎀 SYNOPSIS 🎀

devm_iio_device_register (dev , indio_dev );

that's it. two arguments. that's the whole thing. iconic behavior honestly ✨

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🦋 ARGUMENTS 🦋

• dev — the device you're allocating the iio_dev for. it's the parent, it's the main character, it holds the resources 🔥
• indio_dev — the device structure that your device driver already filled in. like, you did that. good job bestie 👑

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💜 DESCRIPTION 💜

so this is a managed iio_device_register. the IIO device you register with this function gets automatically unregistered when the driver detaches — literally you don't have to clean up after yourself, the kernel does it for you 🧚✨ that's the resource-managed part and it's lowkey the best part.

under the hood this function calls iio_device_register internally, so if you want the full lore, refer to that function for more information. iykyk 📖

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🌈 RETURN 🌈

• 0 on success 🎉
• a negative error number on failure 😭

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⭐ SEE ALSO ⭐

the whole extended friend group, fr fr — go say hi:

• Kernel file ./include/linux/iio/iio.h struct iio_chan_spec_ext_info(9)
• struct iio_enum(9)
• IIO_ENUM(9)
• IIO_ENUM_AVAILABLE(9)
• struct iio_mount_matrix(9)
• IIO_MOUNT_MATRIX(9)
• struct iio_event_spec(9)
• IIO_SCAN_FORMAT_SIGNED_INT(9)
• IIO_SCAN_FORMAT_UNSIGNED_INT(9)
• IIO_SCAN_FORMAT_FLOAT(9)
• struct iio_scan_type(9)
• struct iio_chan_spec(9)
• iio_channel_has_info(9)
• iio_channel_has_available(9)
• struct iio_info(9)
• struct iio_buffer_setup_ops(9)
• struct iio_dev(9)
• iio_device_register(9)
• iio_device_claim_direct(9)
• iio_device_release_direct(9)
• iio_device_try_claim_buffer_mode(9)
• iio_device_release_buffer_mode(9)
• IIO_DEV_ACQUIRE_DIRECT_MODE(9)
• IIO_DEV_ACQUIRE_FAILED(9)
• IIO_DEV_GUARD_CURRENT_MODE(9)
• iio_device_put(9)
• dev_to_iio_dev(9)
• iio_device_get(9)
• iio_device_set_parent(9)
• iio_device_set_drvdata(9)
• iio_device_get_drvdata(9)
• IIO_DECLARE_BUFFER_WITH_TS(9)
• IIO_DECLARE_DMA_BUFFER_WITH_TS(9)
• IIO_DECLARE_QUATERNION(9)
• iio_get_debugfs_dentry(9)
• iio_device_suspend_triggering(9)
• iio_device_resume_triggering(9)
• iio_get_current_scan_type(9)
• iio_get_masklength(9)
• iio_for_each_active_channel(9)
• IIO_DEGREE_TO_RAD(9)
• IIO_RAD_TO_DEGREE(9)
• IIO_G_TO_M_S_2(9)
• IIO_M_S_2_TO_G(9)

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okay that's the whole page, you ate that 🍓 before you go: this came from ./include/linux/iio, dated October 2026, and it's devm_iio_device_register(9) forever and always 💖 bye bestie, go register some devices responsibly ✨🎀