zl3073x_chan_df_offset_set(9)

📦 version 7.3.1, in nixpkgs unstable

💖 zl3073x_chan_df_offset_set — literally the delta-frequency-offset-to-hardware girlie 💖

okay so bestie, this is a page out of the Kernel API Manual (yes, the whole manual, we're fancy now ✨) and it's all about zl3073x_chan_df_offset_set, which is the function that writes a delta frequency offset straight into the hardware. no cap, that's the whole vibe. 🎀

✨ NAME ✨

zl3073x_chan_df_offset_set — write delta frequency offset to hardware 💅

🌸 SYNOPSIS 🌸

int zl3073x_chan_df_offset_set (struct zl3073x_dev *zldev , u8 ch , s64
offset );

like, that's the whole signature, she's not complicated, she just works 🦋

🎀 ARGUMENTS 🎀

  • zldev — pointer to zl3073x device. yeah, the whole device. main character energy 👑
  • ch — DPLL channel index. which channel we're messing with, iykyk 🧚
  • offset — frequency offset in 2^-48 steps. tiny tiny steps, but they count 💀

🦋 CONTEXT 🦋

⚠️ the caller must hold the per-DPLL lock. literally non-negotiable bestie, grab that lock first or it's giving chaos 😭

⭐ RETURN ⭐

  • 0 on success 🥳
  • <0 on error 🙈

🔥 SEE ALSO 🔥

kernel file ./drivers/dpll/zl3073x/chan.c — and all her besties:

and that's the page!! 🌈 this iconic little entry lives in ./drivers/dpll/zl3073x, it shipped with the October 2026 version of the Kernel API Manual, and honestly? she ate. periodt. 💜🫶🌸

📦 where this page comes from