cvs_reset(9)

💅 cvs_reset(9) — the Kernel API Manual glow-up ✨

okay so bestie, we're in the cvs_reset(9) girlies today, straight out of the Kernel API Manual. this one's a tiny little function with main character energy — it's literally one line of C and it does exactly one dramatic thing. let's get into it 🎀

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✨ NAME ✨

cvs_reset — toggles the reset GPIO for full capability devices 🦋

like, that's her whole job. she pulls the reset line low for a sec, then sends it high. no cap.

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🌸 SYNOPSIS 🌸

void cvs_reset (struct icvs *ctx );

she takes a struct icvs * and returns nothing. void. she gives, she doesn't take 💅

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🎀 ARGUMENTS 🎀

• ctx — the CVS device context. that's it. that's the whole parameter list. your one and only argument, your ride or die 🫶

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🔥 DESCRIPTION 🔥

so here's the tea: cvs_reset drives the reset line low briefly and then high — but only if the device resources indicate full capability. it's giving "check the vibe first, then act."

if it's a light device? different story entirely, bestie. light devices have no reset line at all. nothing to toggle. no GPIO to bother. she simply doesn't have one. 🙈

ngl, this is the whole function. it's a two-step bop: low, then high. the capability check is the bouncer at the door — no full capability, no reset dance 💀

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⭐ SEE ALSO ⭐

the whole friend group, fr fr — go read these next, they're iconic:

• the kernel file ./drivers/media/i2c/cvs/core.c (yes, actual source, go look at her 👀)
• cvs_set_quirks(9)
• cvs_read_i2c(9)
• cvs_write_i2c(9)
• cvs_checksum(9)
• cvs_schedule_and_wait(9)
• cvs_wait_wake_or_sleep(9)
• cvs_config_mipi(9)
• cvs_get_device_state(9)
• cvs_get_device_caps(9)
• cvs_hw_init(9)
• cvs_irq_handler(9)
• cvs_recv(9)
• cvs_send(9)
• cvs_set_link_owner(9)
• cvs_configure_dev_caps(9)
• cvs_core_probe(9)
• cvs_probe(9)
• cvs_core_remove(9)
• cvs_remove(9)
• cvs_suspend(9)
• cvs_resume(9)
• cvs_runtime_resume(9)
• cvs_runtime_suspend(9)
• cvs_init(9)
• cvs_exit(9)

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okay that's the page!! this one lives under ./drivers/media/i2c/cvs, dated October 2026, and it's cvs_reset(9) all day. mwah, go toggle something responsibly 💖✨🧚