snd_soc_dai_set_sysclk(9)

💖 snd_soc_dai_set_sysclk 💖

okay bestie, welcome to the Kernel API Manual ✨ — this is the page for snd_soc_dai_set_sysclk(9), and it's literally the one that sets your DAI's system clock or master clock. clock girl summer 🌸

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✨ NAME ✨

snd_soc_dai_set_sysclk — configure DAI system or master clock. that's it, that's the whole vibe 💅

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🎀 SYNOPSIS 🎀

int snd_soc_dai_set_sysclk (struct snd_soc_dai *dai , int clk_id ,
       unsigned int freq , int dir );

no cap, that's the exact signature — don't be out here changing types on me 🙈

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🦋 ARGUMENTS 🦋

• dai — the DAI. yeah. it's the DAI. main character struct, honestly 👑
• clk_id — the DAI specific clock ID. so it's your DAI's own little clock identifier, iykyk ⭐
• freq — new clock frequency, in Hz. hertz. the unit. obviously 💖
• dir — new clock direction, and it's gotta be either SND_SOC_CLOCK_IN or SND_SOC_CLOCK_OUT. those two, bestie, no third option 🫶

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🌈 DESCRIPTION 🌈

so what does it actually do? it configures the DAI master (MCLK) or system (SYSCLK) clocking. that's the whole description fr fr — short, sweet, iconic 🧚

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💜 SEE ALSO 💜

the kernel file lives at ./sound/soc/soc-dai.c — go say hi 👋

and here's the whole friend group, all twelve of them, not skipping a single one because that would be rude 😭:

• snd_soc_dai_set_clkdiv(9)
• snd_soc_dai_set_pll(9)
• snd_soc_dai_set_bclk_ratio(9)
• snd_soc_dai_set_bclk_clk(9)
• snd_soc_dai_set_fmt(9)
• snd_soc_xlate_tdm_slot_mask(9)
• snd_soc_dai_set_tdm_slot(9)
• snd_soc_dai_set_tdm_idle(9)
• snd_soc_dai_set_channel_map(9)
• snd_soc_dai_get_channel_map(9)
• snd_soc_dai_set_tristate(9)
• snd_soc_dai_digital_mute(9)

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ok and finally, the cute lil sign-off 💌 this page is from ./sound/soc, dated October 2026. mwah, bye bestie! 🍓🦋✨