pcm_for_each_format(9)

✨ pcm_for_each_format ✨

okay so bestie, welcome to the pcm_for_each_format(9) page from the Kernel API Manual — yes, the kernel, we're literally in the kernel rn, main character energy only 💅

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🌸 NAME 🌸

pcm_for_each_format — the little helper that loops you through every single format type, no cap 🎀

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🦋 SYNOPSIS 🦋

pcm_for_each_format (f );

that's it. that's the whole vibe. one argument, zero drama ✨

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💖 ARGUMENTS 💖

• f — the iterator variable, and it's gotta be of type snd_pcm_format_t. she's not like other variables, she has a type, periodt 👑

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🔥 SEE ALSO 🔥

like, go read these next, i'm obsessed:

Kernel file ./include/sound/pcm.h — start here bestie, it's giving source of truth 📖

then literally all of these:

• snd_pcm_stream_linked(9)
• snd_pcm_stream_lock_irqsave(9)
• snd_pcm_stream_lock_irqsave_nested(9)
• snd_pcm_group_for_each_entry(9)
• snd_pcm_running(9)
• __snd_pcm_set_state(9)
• bytes_to_samples(9)
• bytes_to_frames(9)
• samples_to_bytes(9)
• frames_to_bytes(9)
• frame_aligned(9)
• snd_pcm_lib_buffer_bytes(9)
• snd_pcm_lib_period_bytes(9)
• snd_pcm_playback_avail(9)
• snd_pcm_capture_avail(9)
• snd_pcm_playback_hw_avail(9)
• snd_pcm_capture_hw_avail(9)
• snd_pcm_playback_ready(9)
• snd_pcm_capture_ready(9)
• snd_pcm_playback_data(9)
• snd_pcm_playback_empty(9)
• snd_pcm_capture_empty(9)
• snd_pcm_trigger_done(9)
• params_channels(9)
• params_rate(9)
• params_period_size(9)
• params_periods(9)
• params_buffer_size(9)
• params_buffer_bytes(9)
• snd_pcm_hw_constraint_single(9)
• snd_pcm_format_cpu_endian(9)
• snd_pcm_set_sync(9)
• snd_pcm_set_runtime_buffer(9)
• snd_pcm_gettime(9)
• snd_pcm_set_fixed_buffer(9)
• snd_pcm_set_fixed_buffer_all(9)
• snd_pcm_sgbuf_get_addr(9)
• snd_pcm_sgbuf_get_chunk_size(9)
• snd_pcm_limit_isa_dma_size(9)
• snd_pcm_direction_name(9)
• snd_pcm_stream_str(9)
• snd_pcm_chmap_substream(9)
• pcm_format_to_bits(9)

like i said. all of them. i don't make the rules (i do, actually, and the rule is: keep every reference) 💀

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🫶 that's the whole page bestie — short, sweet, and honestly iconic for it. iykyk 💜

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this has been the ./include/sound girlies, dropping October 2026 — see you in the kernel, mwah 😘