cm32181_get_lux(9)

📦 version 7.3.1, in nixpkgs unstable

💖 cm32181_get_lux(9) — like, the Kernel API Manual page, bestie 💖

okay so picture this: it's cm32181_get_lux(9), it lives in the Kernel API Manual (section 9, fancy), and its whole personality is telling you the lux. That's it. That's the vibe. Ambient light, but make it a function call. ✨

🌸 NAME 🌸

cm32181_get_lux — report current lux value

No cap, that's literally the job: it reports the current lux value. 🫶

🎀 SYNOPSIS 🎀

int cm32181_get_lux (struct cm32181_chip *cm32181 );

🦋 ARGUMENTS 🦋

  • cm32181 — pointer of struct cm32181. That's it, that's the whole argument. A pointer. To the struct. She's low-maintenance like that. 💅

✨ DESCRIPTION ✨

So what actually happens in here? The function converts sensor raw data to lux — glow-up from "raw numbers" to "actual light measurement," iconic behaviour honestly. 💖

And here's the tea: it depends on the integration time and the calibscale variable. Both of them. You can't skip either one, they're a package deal. 🌈

🔥 RETURN 🔥

  • A positive value means lux. Yay, actual light info! ⭐
  • Otherwise it's an error code. 😭 So if you get something that isn't positive, don't go reading it as brightness — check your error handling, bestie.

👑 SEE ALSO 👑

The kernel file ./drivers/iio/light/cm32181.c, plus the whole friend group:

💀 friendly reminder from your resident nerd: the lux conversion is not vibes-based — it genuinely hinges on integration time and calibscale, and anything non-positive coming back is an error code, not a measurement. 🙈

mwah, that's the page! 💜 This one's out of ./drivers/iio/light (yes, that's the source path, she lives there 🧚), stamped October 2026, and delivered to you in the Kernel API Manual section 9. slay, bye! 🎀💅🌸

📦 where this page comes from