STRUCT PARAM_S(9)

💖 NAME 💖

okay bestie, welcome to the struct param_s(9) page ✨ — struct param_s is literally the sent rpmsg parameter 👑. that's the whole vibe. no cap.

🎀 SYNOPSIS 🎀

here's the struct in all its main-character glory, copied exactly so you don't have to squint 💅:

struct param_s {
    unsigned char audioindex;
    unsigned char format;
    unsigned char channels;
    unsigned int  rate;
    unsigned int  buffer_addr;
    unsigned int  buffer_size;
    unsigned int  period_size;
    unsigned int  buffer_tail;
 };

🌸 Members 🌸

every field is doing its own little thing, and yes we're going through every single one 🫶:

• audioindex — audio instance index 🎧
• format — audio format ✨
• channels — audio channel number 🌈
• rate — sample rate ⭐
• buffer_addr — dma buffer physical address or register for SET_CODEC_VALUE 📍
• buffer_size — dma buffer size or register value for SET_CODEC_VALUE 📦
• period_size — period size 🎀
• buffer_tail — current period index 🌀

🦋 SEE ALSO 🦋

• Kernel file ./sound/soc/fsl/imx-pcm-rpmsg.h — go peek, bestie, it's right there 📁
• struct rpmsg_head(9), struct rpmsg_info(9) — the other structs in the friend group 💜

mwah 💋 this page lives under ./sound/soc/fsl, stamped October 2026, and it's giving struct param_s(9) energy fr fr 🎀✨