fsl_asoc_get_dma_channel(9)

💅 fsl_asoc_get_dma_channel(9) 💅

okay so bestie, this page is from the Kernel API Manual and it's about fsl_asoc_get_dma_channel — yes that whole name, no cap. It's giving “figure out the dma channel for a SSI node” and honestly? iconic. 🎀

🌸 NAME 🌸

fsl_asoc_get_dma_channel — determine the dma channel for a SSI node. periodt. 💖

✨ SYNOPSIS ✨

int fsl_asoc_get_dma_channel (struct device_node *ssi_np , const char
       *name , struct snd_soc_dai_link *dai , unsigned int *dma_channel_id ,
       unsigned int *dma_id );

🫶 ARGUMENTS 🫶

• ssi_np — pointer to the SSI device tree node. the whole starting point, bestie 🌱
• name — name of the phandle pointing to the dma channel. yes, that exact phandle name 🔎
• dai — ASoC DAI link pointer to be filled with platform_name. it gets the glow-up ✨
• dma_channel_id — dma channel id to be returned. this is where the channel id goes 💌
• dma_id — dma id to be returned. and this is where the dma id goes 🎀

💖 DESCRIPTION 💖

so this function determines the dma and channel id for the given SSI node. lowkey its whole job. it also discovers the platform_name for the ASoC DAI link — slay, multi-tasking. 💅

🔥 SEE ALSO 🔥

• Kernel file ./sound/soc/fsl/fsl_utils.c
• fsl_asoc_get_pll_clocks(9)
• fsl_asoc_reparent_pll_clocks(9)
• fsl_asoc_constrain_rates(9)

these are the linked lore, iykyk. 🦋

xoxo bestie 💌 — source/version: ./sound/soc/fsl, date: October 2026. catch u in the kernel, mwah 💋