zl3073x_read_hwreg(9)

✨ zl3073x_read_hwreg 💅

okay so bestie, welcome to the Kernel API Manual — this lil page is all about zl3073x_read_hwreg, and honestly? it's giving "small function, big responsibility." 🎀 sit down, grab a strawberry drink 🍓, and let's get into it.

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🌸 SYNOPSIS 🌸

int zl3073x_read_hwreg (struct zl3073x_dev *zldev , u32 addr , u32
*value );

like, that's the whole vibe right there. three args, one int coming back at you. no cap. ✨

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🦋 ARGUMENTS 🦋

• zldev — the zl3073x device pointer, aka your main character. this is the device you're reading from, periodt. 👑
• addr — the HW register address. literally where the goods live. 📍
• value — Value of the HW register — this is where the read result gets tucked in all cozy. 🫶

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💖 DESCRIPTION 💖

Reads HW register value and stores it into value. that's it, that's the whole thing — it goes and grabs the hardware register's value and drops it into the value you handed over. simple, iconic, ate. 🔥

ngl, sometimes the simplest little functions are the ones holding the whole thing together. iykyk. 💜

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⭐ RETURN ⭐

• 0 on success ✨ (slay)
• <0 on error 😭 (vibe check failed, go check your errno)

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🌈 SEE ALSO 🌈

the whole squad, fr fr. Kernel file ./drivers/dpll/zl3073x/core.c plus:

• zl3073x_read_u8(9)
• zl3073x_write_u8(9)
• zl3073x_read_u16(9)
• zl3073x_write_u16(9)
• zl3073x_read_u32(9)
• zl3073x_write_u32(9)
• zl3073x_read_u48(9)
• zl3073x_write_u48(9)
• zl3073x_poll_zero_u8(9)
• zl3073x_do_hwreg_op(9)
• zl3073x_write_hwreg(9)
• zl3073x_update_hwreg(9)
• zl3073x_write_hwreg_seq(9)
• zl3073x_ref_phase_offsets_update(9)
• zl3073x_ref_freq_meas_latch(9)
• zl3073x_ref_freq_meas_update(9)
• zl3073x_dev_phase_meas_setup(9)
• zl3073x_dev_start(9)
• zl3073x_dev_stop(9)
• zl3073x_dev_probe(9)

like, go read all of them bestie, they're all connected. 🌸🧚

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aaaand that's a wrap! 🎀 this page lives in ./drivers/dpll/zl3073x and it's dated October 2026, manual name zl3073x_read_hwreg(9). ty for coming to my ted talk, mwah 💋💖