doc/drivers.txt: Rebuilt from Comedi sources
doc/drivers.txt: Rebuilt from Comedi sources

Rebuilt from the "out-of-tree" Comedi kernel module sources.  The
"adv_pci1724" driver now supports a synchronized output mode on the AO
subdevice so its documentation was updated.

Linux-Comedi/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib