drm_scdc_read(9)

💅 drm_scdc_read(9) — read a block of data from SCDC 🎀

okay so bestie, this page is from the Kernel API Manual, and it's all about drm_scdc_read doing its little data-reading moment. no cap, it's giving "small helper, big job" energy. ✨

🌸 NAME 🌸

drm_scdc_read — read a block of data from SCDC 💖

✨ SYNOPSIS ✨

ssize_t drm_scdc_read (struct i2c_adapter *adapter , u8 offset , void *buffer , size_t size );

🎀 ARGUMENTS 🎀

• adapter — the I2C controller, aka the connection bestie 🫶
• offset — start offset of block to read, aka where the reading begins ✨
• buffer — return location for the block to read, aka where the data goes 🎁
• size — size of the block to read, aka how much we're pulling 📏

🦋 DESCRIPTION 🦋

Reads a block of data from SCDC, starting at a given offset. that's literally it, and honestly? iconic. you give it an offset, it reads a block from there. slay. 💅

🌈 RETURN 🌈

0 on success, negative error code on failure. so yeah: 0 = the good vibe, negative = the "not me getting an error code" moment 😭

💜 SEE ALSO 💜

• Kernel file ./drivers/gpu/drm/display/drm_scdc_helper.c scdc helpers(9) 👑
• drm_scdc_write(9) ✍️
• drm_scdc_get_scrambling_status(9) 🔍
• drm_scdc_set_scrambling(9) 🌀
• drm_scdc_set_high_tmds_clock_ratio(9) ⚡

byeee bestie 💖 — this page lives in ./drivers/gpu/drm/display, is dated October 2026, and the manual page itself is drm_scdc_read(9) from the Kernel API Manual. catch u laterrr 🫶✨