snd_soc_dai_set_bclk_ratio(9)

💖 snd_soc_dai_set_bclk_ratio(9) 💖

okay so bestie, welcome to the Kernel API Manual section 9, and today's main character is snd_soc_dai_set_bclk_ratio — no cap, she's the one who sets your BCLK-to-sample-rate ratio and just… makes the audio clock situation make sense. 🎀

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⭐ NAME ⭐

snd_soc_dai_set_bclk_ratio — configure BCLK to sample rate ratio. literally what it says on the tin, she configures the ratio, that's the whole gig 💅

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✨ SYNOPSIS ✨

int snd_soc_dai_set_bclk_ratio (struct snd_soc_dai *dai , unsigned int
ratio );

so she takes a struct snd_soc_dai *dai and an unsigned int ratio, and she returns an int. iconic signature, no notes 🫶

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🦋 ARGUMENTS 🦋

• dai — the DAI. yes, that's the whole description. she's a DAI. that's her vibe. 🌸
• ratio — the ratio of BCLK to sample rate. this is the number that makes the clocks go brrr correctly 🔥

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🧚 DESCRIPTION 🧚

Configures the DAI for a preset BCLK to sample rate ratio. like, you show up with a ratio you already picked out, and she goes ahead and configures the DAI with it. preset. done. periodt. ✨

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🌈 SEE ALSO 🌈

the kernel file lives at ./sound/soc/soc-dai.c and honestly the whole friend group is here:

• snd_soc_dai_set_sysclk(9)
• snd_soc_dai_set_clkdiv(9)
• snd_soc_dai_set_pll(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)

go read them, they all ate 💖

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ngl this page is short but she understood the assignment. 🍓

okay that's the whole read, bestie — from ./sound/soc, dated October 2026, this was snd_soc_dai_set_bclk_ratio(9) and she slayed 💜👑