comedi_set_write_subdevice — set streaming output subdevice
|comedi_t * device,|
|unsigned int subdevice|
subdevice as the current
“write” subdevice if the subdevice supports streaming
No action is performed if
is already the current “write” subdevice.
Changes are local to the open file description for this
device and have no effect on other
open file descriptions for the underlying device node.