staging: comedi: icp_multi: use comedi_timeout()

Use comedi_timeout() to wait for the analog input and output end-of-
conversion.

Use break to exit the loop when a timeout occurs during the analog
input read so that common code can be used to disable the device.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/comedi/drivers/icp_multi.c
Simple merge