mux_control_...select_delay(9)

💅 mux_control_try_select_delay(9) ✨

okay so bestie, welcome to the Kernel API Manual — yes we're in the kernel docs now, main character energy only 🎀 this one's about mux_control_try_select_delay, and it's lowkey a baddie.

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🌸 NAME 🌸

mux_control_try_select_delay — try to select the given multiplexer state. note the "try", bestie, it's giving "we'll see" energy 💅

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⭐ SYNOPSIS ⭐

int mux_control_try_select_delay (struct mux_control *mux , unsigned int
state , unsigned int delay_us );

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🦋 ARGUMENTS 🦋

• mux — the mux-control that's gonna get asked so politely to change its state 🫶
• state — the new requested state, the whole point of the operation, the moment ✨
• delay_us — how long to delay, in microseconds, if the mux state actually changes. like a little pause for dramatic effect 💜

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🔥 DESCRIPTION 🔥

so when you successfully select the mux-control state, it gets locked until mux_control_deselect is called. no cap. it's yours now 👑

🚨 so fr fr, make sure you call mux_control_deselect when the operation is complete and the mux-control is free for others to use. but — and this is the important part — do not call mux_control_deselect if mux_control_try_select fails. that's not slay, that's a bug 😭

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🌈 RETURN 🌈

• 0 — when the mux-control state has the requested state, we love a success story 💖
• a negative errno on error. specifically -EBUSY if the mux-control is contended — i.e. someone else is already on it, it's giving "occupied" 🙈

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🧚 SEE ALSO 🧚

the whole friend group 🫶:

• Kernel file ./drivers/mux/core.c
• struct mux_state(9)
• struct devm_mux_state_state(9)
• mux_chip_alloc(9)
• mux_chip_register(9)
• mux_chip_unregister(9)
• mux_chip_free(9)
• devm_mux_chip_alloc(9)
• devm_mux_chip_register(9)
• mux_control_states(9)
• mux_control_select_delay(9)
• mux_state_select_delay(9)
• mux_state_try_select_delay(9)
• mux_control_deselect(9)
• mux_state_deselect(9)
• mux_get(9)
• mux_control_get(9)
• mux_control_get_optional(9)
• mux_control_put(9)
• devm_mux_control_get(9)
• mux_state_get(9)
• __devm_mux_state_get(9)
• devm_mux_state_get_from_np(9)
• devm_mux_state_get_optional(9)
• devm_mux_state_get_selected(9)
• devm_mux_state_get_optional_selected(9)

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anyway that's the whole page, you ate that 💅✨ this came straight out of ./drivers/mux, dated October 2026 — mwah, go read the kernel source bestie, ily 🎀💖