snd_interval_muldivk(9)

💅 snd_interval_muldivk — bestie, we're refining an interval ✨

Okay so real talk: this is a page from the Kernel API Manual, and it's about doing some math on interval values. It's short, it's sweet, it's giving "small function, big job" energy. Let's get into it 🫶

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✨ NAME ✨

snd_interval_muldivk — refine the interval value 🎀

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🌸 SYNOPSIS 🌸

void snd_interval_muldivk (const struct snd_interval *a , const struct
snd_interval *b , unsigned int k , struct snd_interval *c );

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🎀 ARGUMENTS 🎀

• a — dividend numero uno, the first one bestie 💖
• b — dividend number two, the sequel 🌸
• k — the divisor, and heads up, it's an integer (unsigned, no cap) 🔥
• c — the result lives here, this is where the output goes ✨

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🔥 DESCRIPTION 🔥

So the whole vibe is literally this:

c = a * b / k

That's it. That's the function. You multiply a by b, divide by k, and the answer lands in c.

It returns non-zero if the value is changed, and zero if it's not changed. Simple as that 💅

Not me noticing the synopsis says void while the description talks about a return value — anyway, that's exactly what the page says, so I'm passing it straight to you, no edits, no notes 🙈

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🦋 SEE ALSO 🦋

Kernel file ./sound/core/pcm_lib.c — and the whole extended friend group 💜:

• snd_pcm_set_ops(9)
• snd_pcm_set_sync_per_card(9)
• snd_interval_refine(9)
• snd_interval_div(9)
• snd_interval_mulkdiv(9)
• snd_interval_ratnum(9)
• snd_interval_ratden(9)
• snd_interval_list(9)
• snd_interval_ranges(9)
• snd_pcm_hw_rule_add(9)
• snd_pcm_hw_constraint_mask(9)
• snd_pcm_hw_constraint_mask64(9)
• snd_pcm_hw_constraint_integer(9)
• snd_pcm_hw_constraint_minmax(9)
• snd_pcm_hw_constraint_list(9)
• snd_pcm_hw_constraint_ranges(9)
• snd_pcm_hw_constraint_ratnums(9)
• snd_pcm_hw_constraint_ratdens(9)
• snd_pcm_hw_constraint_msbits(9)
• snd_pcm_hw_constraint_step(9)
• snd_pcm_hw_constraint_pow2(9)
• snd_pcm_hw_rule_noresample(9)
• snd_pcm_hw_param_value(9)
• snd_pcm_hw_param_first(9)
• snd_pcm_hw_param_last(9)
• snd_pcm_hw_params_bits(9)
• snd_pcm_lib_ioctl(9)
• snd_pcm_period_elapsed_under_stream_lock(9)
• snd_pcm_period_elapsed(9)
• snd_pcm_add_chmap_ctls(9)

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And that's the whole page, bestie — you ate that 💅✨

This lil' baddie lives in ./sound/core, dated October 2026, and it's filed under that kernel API manual energy. Go forth and refine those intervals, icon 👑💖