// Note: This operation holds all ALSA devices (see ALSAPool::get_devices()).
// You will need to call set_input_mapping() to get the hold state correctly,
// or every card will be held forever.
// Note: This operation holds all ALSA devices (see ALSAPool::get_devices()).
// You will need to call set_input_mapping() to get the hold state correctly,
// or every card will be held forever.