The ALSA Driver API
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Chapter 1. Management of Cards and Devices

Table of Contents
Card Management
Device Components
KMOD and Device File Entries
Memory Management Helpers

Card Management

Table of Contents
snd_card_new --  create and initialize a soundcard structure
snd_card_disconnect --  disconnect all APIs from the file-operations (user space)
snd_card_register --  register the soundcard
snd_component_add --  add a component string
snd_card_file_add --  add the file to the file list of the card
snd_card_file_remove --  remove the file from the file list
snd_power_wait --  wait until the power-state is changed.
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The ALSA Driver API snd_card_new