snd_soc_com..._write_field(9)

💅 NAME 💅

snd_soc_component_write_field — bestie, this one writes to a register field ✨

okay so real quick, we're in the Kernel API Manual (snd_soc_com..._write_field(9)) and this lil function is your girl for poking a specific field inside a register without wrecking the neighbours. 🎀

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✨ SYNOPSIS ✨

int snd_soc_component_write_field (struct snd_soc_component *component ,
unsigned int reg , unsigned int mask , unsigned int val );

no cap, that's the whole signature. take it in. 🫶

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🦋 ARGUMENTS 🦋

• component — the Component you're writing to 💖 like, the thing itself
• reg — the Register you're writing to, the address, the spot 📍
• mask — mask of the register field to update 🎯 this is the "which bits are we touching" filter, iconic behaviour
• val — value of the field to write 🌸 what actually goes in there

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👑 RETURN 👑

1 for change, otherwise 0. that's it, that's the vibe check 💅

ngl it's giving "did anything actually move?" energy — 1 means yes queen, something changed, 0 means nope, nothing to see here 😭

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🌈 SEE ALSO 🌈

Kernel file ./sound/soc/soc-component.c — go read it, iykyk 📖

and the whole friend group, literally all of them:

• snd_soc_component_set_sysclk(9)
• snd_soc_component_set_jack(9)
• snd_soc_component_get_jack_type(9)
• snd_soc_component_init_regmap(9)
• snd_soc_component_exit_regmap(9)
• snd_soc_component_read(9)
• snd_soc_component_write(9)
• snd_soc_component_update_bits(9)
• snd_soc_component_update_bits_async(9)
• snd_soc_component_read_field(9)
• snd_soc_component_async_complete(9)
• snd_soc_component_test_bits(9)

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and that's the whole page bestie 💜 shoutout to ./sound/soc for housing this legend, and to October 2026 for the timestamp — main character era fr fr ✨🎀👑