STRUCT EC_RTC_WRITE_REQUEST(9)

✨ struct ec_rtc_write_request(9) ✨

okay so bestie, welcome to the Kernel API Manual page for struct ec_rtc_write_request — like, yes it lives in section 9, and yes it's a struct, we love that for us 💅

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🎀 NAME 🎀

struct ec_rtc_write_request — it's literally the format of the RTC that gets sent to the EC. that's the whole vibe. no cap. 🌸

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🦋 SYNOPSIS 🦋

here's the whole thing, character for character, because we do not paraphrase struct definitions in this house 👑

struct ec_rtc_write_request {
    u8 command;
    u8 reserved;
    u8 param;
    u8 century;
    u8 year;
    u8 month;
    u8 day;
    u8 hour;
    u8 minute;
    u8 second;
    u8 weekday;
 };

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💖 Members 💖

okay so let's meet the cast, one field at a time, main character energy only:

• command — always EC_COMMAND_CMOS. no notes. it's giving consistency ✨
• reserved — an unused byte. it's just sitting there, being decorative, literally the wallflower of the struct 🫶
• param — always EC_CMOS_TOD_WRITE. iconic, unchanging, periodt.
• century — the century value, which is full year / 100. math but make it cute 🧮
• year — the year value, aka full year % 100. the mod girlie of the group 😭
• month — month value, range 1..12 🍓
• day — day value, range 1..31 🌸
• hour — hour value, range 0..23 ⭐
• minute — minute value, range 0..59 🎀
• second — second value, range 0..59 🦋
• weekday — day of the week, and heads up bestie, it's 0=Saturday 👀 like, not Sunday. Saturday. iykyk 💀

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🌈 Description 🌈

so the one thing you have to remember: all values are presented in BCD. that's it, that's the tea. lowkey important, don't forget it 💜

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🔥 SEE ALSO 🔥

go poke around these, bestie:

• Kernel file ./drivers/rtc/rtc-wilco-ec.c
• struct ec_rtc_read_response(9) — yes there's a read one too, we stan a matching set 👑

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and that's the page!! 🧚 this lil treat comes to you from ./drivers/rtc, dated October 2026, under the Kernel API Manual umbrella — struct ec_rtc_write_request(9) out, mwah, slay, bye bestie 💖✨