da7210_set_dai_pll(9)

✨ NAME ✨

da7210_set_dai_pll — bestie, this is the one that configures the codec PLL 💅 (part of the Kernel API Manual, okurrr)

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🎀 SYNOPSIS 🎀

int da7210_set_dai_pll (struct snd_soc_dai *codec_dai , int pll_id ,
                        int source , unsigned int fref , unsigned int fout );

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🌸 ARGUMENTS 🌸

• codec_dai — a pointer to the codec DAI, literally just handing you the DAI struct 🫶
• pll_id — so the da7210 has only one pll, which means pll_id is always zero. no choices, no drama, one PLL and she's booked 💀
• source — the clock source, iykyk ⏰
• fref — the MCLK frequency, and it should be < 20MHz. keep it under, bestie 🙈
• fout — the FsDM value. refer page 44 & 45 of the datasheet for this one, like actually go look 👑

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💡 NOTE 💡

Bestie listen — the supported PLL input frequencies are 12MHz, 13MHz, 13.5MHz, 14.4MHz, 19.2MHz, 19.6MHz and 19.8MHz. those seven, and that's the whole guest list ⭐

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🔥 RETURN 🔥

Zero for success, and a negative error code if something went wrong 😭 (she's telling you, not ghosting you).

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🦋 SEE ALSO 🦋

Kernel file ./sound/soc/codecs/da7210.c — go read the source, it's giving main character energy 👑

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okay that's the whole page, no cap 💖 and if you ever need to find where this lives, it's in ./sound/soc/codecs, dated October 2026 — periodt, slay, go configure that PLL 🌈🎀✨