pxa_dma_start_channels(9)

💖 pxa_dma_start_channels(9) 💖

okay so bestie, welcome to the Kernel API Manual — this one is a tiny little function from pxa_dma_start_channels(9) and honestly? it's giving short-but-iconic. let's get into it ✨

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🌸 NAME 🌸

pxa_dma_start_channels — start the DMA channel for the active buffer. that's it. that's the whole vibe. 🎀

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🦋 SYNOPSIS 🦋

void pxa_dma_start_channels (struct pxa_camera_dev *pcdev );

like, it returns void bestie. no return value, no drama, no notes. 💅

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✨ ARGUMENTS ✨

• pcdev — the pxa camera device 🎥 (yes that's the whole description, it's a one-liner icon and we respect it)

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👑 DESCRIPTION 👑

so what does it actually do? it initializes the DMA channels to the beginning of the active video buffer, and then it starts those channels. that's the assignment. rewind to the top of the buffer, hit play on the DMA. slay. 🫶

literally:

1. initialize DMA channels → beginning of the active video buffer
2. start these channels

periodt. 🔥

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🌈 SEE ALSO 🌈

go read these next, iykyk 👀💜

• the Kernel file ./drivers/media/platform/intel/pxa_camera.c
• enum pxa_mbus_packing(9)
• enum pxa_mbus_order(9)
• enum pxa_mbus_layout(9)
• struct pxa_mbus_pixelfmt(9)
• struct pxa_mbus_lookup(9)
• struct pxa_camera_format_xlate(9)
• pxa_init_dma_channel(9)
• pxa_camera_start_capture(9)
• pxa_camera_check_link_miss(9)

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ngl this page is short but every single detail in it is load-bearing, so don't skip the args bestie 💀

okay that's the whole page!! mwah, go touch some registers 🧚‍♀️💖

— with love from ./drivers/media/platform/intel, dated October 2026, signed pxa_dma_start_channels(9) 🎀🍓⭐