cros_ec_lpc_mec_unlock(9)

💅 cros_ec_lpc_mec_unlock — release mutex for EMI

Okay so bestie, welcome to the Kernel API Manual page for cros_ec_lpc_mec_unlock(9) — yes that whole mouthful is the title, and no I will not be shortening it, it's iconic as is. 🎀

This is the unlock half of the duo. You locked the EMI mutex, you did your little write, and now you gotta let it go. Letting go is a whole skill, honestly. 🦋

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✨ SYNOPSIS ✨

int cros_ec_lpc_mec_unlock (void );

That's it. That's the whole vibe. No args, just vibes and a return value.

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🌸 ARGUMENTS 🌸

• void — literally no arguments. Nothing. Empty. A clean slate, a blank group chat, main character energy with zero entourage. 🫶

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🔥 RETURN 🔥

• Negative error code — something went sideways, and it's telling you in the negative-number way it always does 😭
• Zero — success, slay, we love to see it 👑

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👀 SEE ALSO 👀

Your reading list, bestie, do not skip it:

• Kernel file ./drivers/platform/chrome/cros_ec_lpc_mec.c
• cros_ec_lpc_mec_lock(9)
• cros_ec_lpc_mec_emi_write_address(9)
• cros_ec_lpc_mec_in_range(9)
• cros_ec_lpc_io_bytes_mec(9)

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Friendly reminder: this unlocks the mutex for EMI. Only call it when you actually hold the lock, or things get weird in a way that is not the fun kind of weird. 💀

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And that's the page, periodt. 🧚 This lil' beauty lives in ./drivers/platform/chrome, dated October 2026, from the Kernel API Manual — and yes, it's called cros_ec_lpc_mec_unlock(9) in case you forgot in the last thirty seconds. 💜 ✨