STRUCT HSC_DATA(9)

💖 NAME 💖

struct hsc_data — okay so bestie, the manpage literally gives us nothing after that dash. Empty. A void. The description is giving mysterious main character energy 🙈 — so we're gonna let the struct speak for itself, and she has so much to say.

✨ SYNOPSIS ✨

struct hsc_data {
    struct device *dev;
    const struct hsc_chip_data *chip;
    hsc_recv_fn recv_cb;
    bool is_valid;
    s32 pmin;
    s32 pmax;
    u32 outmin;
    u32 outmax;
    u32 function;
    s64 p_scale;
    s32 p_scale_dec;
    s64 p_offset;
    s32 p_offset_dec;
    struct {
      __be16 chan[2];
      aligned_s64 timestamp;
    } scan;
    u8 buffer[HSC_REG_MEASUREMENT_RD_SIZE];
};

Look at her. Iconic. No cap, that's the whole vibe right there 💅

🫶 Members 🫶

Time for the roll call, bestie — every single member, no skips, no skipsies 🔥

• dev — the current device structure, aka the whole reason we're here 🎀
• chip — structure containing the chip's channel properties. It's giving "know your hardware" ✨
• recv_cb — the function that implements the chip reads. She does the actual work around here 👑
• is_valid — true if the last transfer has been validated ✅. So like, did the last read actually pass the vibe check or not
• pmin — minimum measurable pressure limit 🌸
• pmax — maximum measurable pressure limit 🌈
• outmin — minimum raw pressure in counts (based on transfer function)
• outmax — maximum raw pressure in counts (based on transfer function)
• function — transfer function. The math girlie of the group 📐
• p_scale — pressure scale
• p_scale_dec — pressure scale, decimal places
• p_offset — pressure offset
• p_offset_dec — pressure offset, decimal places
• buffer — raw conversion data. The unfiltered, unedited, pre-glow-up version of your measurements 😭

Ngl bestie, pmin/pmax and outmin/outmax are two different pairs — one's the real-world pressure limits, one's the raw counts. Do not mix them up, I'm literally begging 🙏

👀 SEE ALSO 👀

• Kernel file ./drivers/iio/pressure/hsc030pa.h — go read her, she's the source of truth 🦋

Okay that's the whole page, bestie — you ate that 💅✨ If you need me I'll be in ./drivers/iio/pressure, and this whole thing is dated October 2026, so yes, we're being very future-forward about it 🧚💜