twl_i2c_write(9)

💖 twl_i2c_write(9) 💖

okay so bestie, welcome to the Kernel API Manual entry for twl_i2c_write — yes it's a (9) page, yes that means kernel-land, yes we're doing this. sit down, hydrate, let's go ✨

---

🌸 NAME 🌸

twl_i2c_write — literally writes an n bit register in TWL4030/TWL5030/TWL60X0. that's the whole vibe. no cap 💅

---

🦋 SYNOPSIS 🦋

int twl_i2c_write (u8 mod_no , u8 *value , u8 reg , unsigned num_bytes );

like, look at her. she's returning an int, she's taking four args, she's iconic 👑

---

🎀 ARGUMENTS 🎀

• mod_no — the module number. which module we're talking to, bestie 🫶
• value — an array of num_bytes+1 containing the data to write. yes, plus one. the +1 is not a typo, do not come for me 🙈
• reg — the register address (just the offset will do, keep it chill) ⭐
• num_bytes — number of bytes to transfer. count 'em 🔢

---

💜 DESCRIPTION 💜

Returns 0 on success, or else a negative error code. that's it. that's the whole function. short and slay 🎀

lowkey the realest ones are the ones with three-line manpages, fr fr

---

🌈 SEE ALSO 🌈

• Kernel file ./drivers/mfd/twl-core.c
• twl_get_regmap(9)
• twl_i2c_read(9)
• twl_set_regcache_bypass(9)
• twl_read_idcode_register(9)
• twl_get_type(9)
• twl_get_version(9)
• twl_get_hfclk_rate(9)

go read those next, iykyk 🦋

---

and that's the page!! 🫶 this one lives over in ./drivers/mfd, dated October 2026 — mwah, drink some water, you ate 💅✨🍓