iio_dma_buf...quest_update(9)

iio_dma_buffer_request_update(9) 💖✨

okay bestie, this is from the Kernel API Manual, and the header/footer label it iio_dma_buf...quest_update(9) — the NAME section gives the full callback name: iio_dma_buffer_request_update. no cap, we're getting into DMA buffer callback territory 🫶

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🌸 NAME 🌸

iio_dma_buffer_request_update — the DMA buffer request_update callback. that's the whole vibe 💅

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✨ SYNOPSIS ✨

int iio_dma_buffer_request_update (struct iio_buffer *buffer );

literally the signature, character for character 🎀

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🎀 ARGUMENTS 🎀

• buffer — the buffer to request an update for. that's the one you're handing over, bestie 💖

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🦋 DESCRIPTION 🦋

okay so this function should be used as the iio_dma_buffer_request_update callback for the iio_buffer_access_ops struct for DMA buffers. that's it, that's the assignment — plug it into that callback slot and slay ✨

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🌈 SEE ALSO 🌈

• kernel file: ./drivers/iio/buffer/industrialio-buffer-dma.c
• iio_dma_buffer_block_done(9)
• iio_dma_buffer_block_list_abort(9)
• iio_dma_buffer_enable(9)
• iio_dma_buffer_disable(9)
• iio_dma_buffer_read(9)
• iio_dma_buffer_write(9)
• iio_dma_buffer_usage(9)
• iio_dma_buffer_set_bytes_per_datum(9)
• iio_dma_buffer_set_length(9)
• iio_dma_buffer_init(9)
• iio_dma_buffer_exit(9)
• iio_dma_buffer_release(9)

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mwah 💋 that's the page! source/version: ./drivers/iio/buffer; date: October 2026; page label: iio_dma_buf...quest_update(9). go be iconic with your DMA buffers 👑💜