cec_notifie...hdmi_phandle(9)

✨ cec_notifier_parse_hdmi_phandle ✨

okay bestie so this is a page straight out of the Kernel API Manual and it's all about cec_notifier_parse_hdmi_phandle — yes it's a mouthful, yes the header truncates it to cec_notifie...hdmi_phandle(9), and yes we're gonna get through it together 💅

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🌸 NAME 🌸

cec_notifier_parse_hdmi_phandle — literally just goes and finds the hdmi device from the "hdmi-phandle" property. that's the whole vibe. 🎀

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🦋 SYNOPSIS 🦋

struct device * cec_notifier_parse_hdmi_phandle (struct device *dev );

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💖 ARGUMENTS 💖

• dev — the device rockin' the "hdmi-phandle" device tree property. this is our starting point, our main character, our source of truth ✨

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👑 DESCRIPTION 👑

So like. what it does is return the device pointer that the "hdmi-phandle" property is referencing. simple, iconic, done. 🫶

⚠️ but bestie, IMPORTANT caveat, do not skip this: the refcount of the returned device is not incremented. nope. not even a little. 😭

and before you panic — that's on purpose. this device pointer is only ever used as a key value in the notifier list, and it is never accessed by the CEC driver. so like, it's not a real reference, it's more of a name tag situation. vibe check passed ✅

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💜 SEE ALSO 💜

• Kernel file ./include/media/cec-notifier.h 📁
• cec_notifier_conn_register(9)
• cec_notifier_conn_unregister(9)
• cec_notifier_cec_adap_register(9)
• cec_notifier_cec_adap_unregister(9)
• cec_notifier_set_phys_addr(9)
• cec_notifier_set_phys_addr_from_edid(9)
• cec_notifier_phys_addr_invalidate(9)

the whole friend group fr fr, go read all of them, iykyk 🧚

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k that's the page!! this one lives over in ./include/media, and the version stamp says October 2026 — so it's from the future, lowkey iconic 🔥 stay hydrated, increment your own refcounts, and slay the kernel bestie 💖🎀🌈