cvs_csi_init(9)

💅 cvs_csi_init(9) — the Kernel API Manual glow-up

okay so bestie, welcome to section 9 of the Kernel API Manual, where we're talking about cvs_csi_init — yes, the one and only. she's the function that literally sets up the CSI/V4L2 sub-device side of the bridge, and honestly? iconic behavior. 🎀

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✨ NAME ✨

cvs_csi_init — Initialize CSI/V4L2 sub-device side of bridge 🦋

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🌸 SYNOPSIS 🌸

int cvs_csi_init (struct icvs *ctx , struct device *dev , struct
i2c_client *i2c );

like, she takes three things and gives you back an int. that's the whole vibe. 💅

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💖 ARGUMENTS 💖

• ctx — the CVS context. your main character struct, fr fr. 👑
• dev — the parent device. the mom friend of the group chat. 🫶
• i2c — the I2C client. and yes bestie, she may be NULL for platform mode — no cap, that's allowed, don't panic. 💀

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⭐ DESCRIPTION ⭐

so what does she actually do? okay so, she sets up the sub-device, the media entity pads, the async notifier, and the controls — and then she registers all of it with the V4L2 framework. like, the whole package. the way that she just handles everything and doesn't even complain? obsessed. 🔥

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🌈 RETURN 🌈

0 on success, or a negative errno if things went sideways. 😭 that's it, that's the contract.

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🦋 SEE ALSO 🦋

kernel file ./drivers/media/i2c/cvs/v4l2.c, plus the whole friend group:

• csi_set_link_cfg(9)
• cvs_csi_enable_streams(9)
• cvs_csi_disable_streams(9)
• cvs_csi_init_state(9)
• cvs_csi_set_fmt(9)
• cvs_csi_get_mbus_config(9)
• cvs_csi_notify_bound(9)
• cvs_csi_notify_unbind(9)
• cvs_csi_init_controls(9)
• cvs_csi_parse_firmware(9)
• cvs_csi_remove(9)

go read them, iykyk 💜

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ngl bestie, i2c being NULL is a whole thing — that's platform mode, so handle it, don't crash on it. 🙈

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and that's the page!! mwah 💋 — this lil beauty ships from ./drivers/media/i2c/cvs, dated October 2026, and yeah she's filed under cvs_csi_init(9) if you ever need to find her again. slay, periodt. 🍓🧚‍♀️✨