ad_sd_read_reg(9)

okay so bestie, you're looking at ad_sd_read_reg(9) from the Kernel API Manual, and it's literally the tiny helper that reads a register. cute, useful, lowkey iconic. 💖✨

🌸 NAME 🌸

ad_sd_read_reg — Read a register

✨ SYNOPSIS ✨

       int ad_sd_read_reg (struct ad_sigma_delta *sigma_delta , unsigned int
       reg , unsigned int size , unsigned int *val );

🎀 ARGUMENTS 🎀

• sigma_delta — The sigma delta device. that's the main character here. 👑
• reg — Address of the register. where we're going, bestie. 📍
• size — Size of the register (1-4). yes, the range is literally 1-4. 🎯
• val — Read value. the lil result holder. 🫶

💫 DESCRIPTION 💫

Returns 0 on success, an error code otherwise. periodt. that's the whole vibe check: success gives you 0, and anything else is an error code. 💅

🦋 SEE ALSO 🦋

Kernel file ./drivers/iio/adc/ad_sigma_delta.c — go peek at the source, bestie. 🧚

• ad_sd_set_comm(9)
• ad_sd_write_reg(9)
• ad_sd_reset(9)
• ad_sd_calibrate_all(9)
• ad_sigma_delta_single_conversion(9)
• ad_sd_validate_trigger(9)
• devm_ad_sd_setup_buffer_and_trigger(9)
• ad_sd_init(9)

mwah 💋 this cutie is from ./drivers/iio/adc, dated October 2026, and the manual name is ad_sd_read_reg(9). slay. 🎀🌈💜