pch_i2c_start(9)

💫 pch_i2c_start — NAME 💫

okay so bestie, welcome to the Kernel API Manual, section 9, and the star of today's episode: pch_i2c_start — it generates the I2C start condition in normal mode. that's the whole vibe. 🎀

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✨ SYNOPSIS ✨

void pch_i2c_start (struct i2c_algo_pch_data *adap );

like, that's it. one function, one pointer, zero drama (the good kind of zero drama). 💅

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🫶 ARGUMENTS 🫶

• adap — a pointer to struct i2c_algo_pch_data. that's your little passport to the adapter, bestie. she needs it to know which adapter she's starting. 🔥

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🦋 DESCRIPTION 🦋

so what she actually does: she generates the I2C start condition in normal mode by setting I2CCTL.I2CMSTA to 1. that's the move. that's the entire move. no cap. ⭐

like yeah, it's one bit-flip and a dream, but it's the bit-flip that gets the whole conversation going. main character energy fr fr. 👑

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🌸 SEE ALSO 🌸

the whole girlies of the I2C-EG20T cinematic universe, in the kernel file ./drivers/i2c/busses/i2c-eg20t.c:

• struct i2c_algo_pch_data(9)
• struct adapter_info(9)
• pch_i2c_init(9)
• pch_i2c_wait_for_bus_idle(9)
• pch_i2c_stop(9)
• pch_i2c_repstart(9)
• pch_i2c_writebytes(9)
• pch_i2c_sendack(9)
• pch_i2c_sendnack(9)
• pch_i2c_restart(9)
• pch_i2c_readbytes(9)
• pch_i2c_cb(9)
• pch_i2c_handler(9)
• pch_i2c_xfer(9)
• pch_i2c_func(9)
• pch_i2c_disbl_int(9)

go read them all, iykyk. it's giving study group. 📚✨

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lowkey important: this page lives in ./drivers/i2c/busses, dated October 2026, and it's filed under pch_i2c_start(9) — so if you're citing her, cite her correctly bestie 🫶

and that's the page!! mwah 💖 see you in the next man page, pch_i2c_start(9) out — slay 🌈💜