disable_audio_stream(9)

💖 NAME 💖

okay bestie, welcome to disable_audio_stream(9) from the Kernel API Manual ✨ this one is literally about how to disable usb snd endpoints 🎀

✨ SYNOPSIS ✨

void disable_audio_stream (struct snd_usb_substream *subs );

🎀 ARGUMENTS 🎀

• subs — the usb substream you’re passing in 💅

💅 DESCRIPTION 💅

So here’s the tea, bestie: this closes the USB SND endpoints associated with the current audio stream used. It also decrements the USB SND endpoint opened reference count. That’s the whole flex — no cap 🫶

🌈 SEE ALSO 🌈

the kernel file to peek at is ./sound/usb/qcom/qc_audio_offload.c 👀 and these iconic functions are in the group chat too:

• uaudio_iommu_unmap(9)
• uaudio_iommu_map_pa(9)
• uaudio_dev_intf_cleanup(9)
• uaudio_event_ring_cleanup_free(9)
• uaudio_sideband_notifier(9)
• qmi_bye_cb(9)
• qmi_svc_disconnect_cb(9)
• enable_audio_stream(9)
• uaudio_transfer_buffer_setup(9)
• uaudio_endpoint_setup(9)
• uaudio_event_ring_setup(9)
• uaudio_populate_uac_desc(9)
• prepare_qmi_response(9)
• handle_uaudio_stream_req(9)
• qc_usb_audio_offload_init_qmi_dev(9)
• qc_usb_audio_offload_probe(9)
• qc_usb_audio_cleanup_qmi_dev(9)
• qc_usb_audio_offload_disconnect(9)
• qc_usb_audio_offload_suspend(9)

byeee bestie 🫶 this page comes from ./sound/usb/qcom and it’s dated October 2026 — slay 💖✨