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  • Takashi Iwai's avatar
    ALSA: usb-audio: Add delayed_register option · b70038ef
    Takashi Iwai authored
    Add a new option for specifying the quirk for delayed registration of
    the certain device.  A list of devices can be passed in a form
    	ID:IFACE,ID:IFACE,ID:IFACE,....
    where ID is the 32bit hex number combo of vendor and device IDs and
    IFACE is the interface number to trigger the register.
    
    When a matching device is probed, the card registration is delayed
    until the given interface is probed.  It's needed for syncing the
    registration until the last interface when multiple interfaces are
    provided for the same card.
    
    Link: https://lore.kernel.org/r/20200325103322.2508-3-tiwai@suse.de
    
    
    Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
    b70038ef