eic_show(9)

🫶 NAME 🫶

okay so this is eic_show(9) from the Kernel API Manual, and it's literally here to show the Electronic Identification Code in sysfs. no cap, bestie 💖

✨ SYNOPSIS ✨

ssize_t eic_show (struct device *dev , struct device_attribute *attr ,
       char *buf );

🎀 ARGUMENTS 🎀

• dev — the device. that's it, that's the vibe 🫶
• attr — the device attribute. iconic little descriptor energy ✨
• buf — the sysfs buffer (PAGE_SIZE) where the EIC gets written. yes, PAGE_SIZE exactly, don't play with it 💅

💅 DESCRIPTION 💅

so like, this function gets called on read access to the eic sysfs attribute. main character behavior fr fr 🌸

it returns the number of bytes written into the buffer, or a negative errno on error. periodt. 🔥

🦋 SEE ALSO 🦋

• Kernel file ./drivers/hwmon/sht21.c
• struct sht21(9)
• sht21_temp_ticks_to_millicelsius(9)
• sht21_rh_ticks_to_per_cent_mille(9)
• sht21_update_measurements(9)
• sht21_temperature_show(9)
• sht21_humidity_show(9)

go read those too, bestie, they're giving related-kernel-docs energy 💜

okay bye bestie 💖 source/version: ./drivers/hwmon · date: October 2026 · page: eic_show(9) — mwah, periodt 🎀