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staging: comedi: addi_apci_1500: rewrite the subdevice support functions
This driver is a mess. It violates the comedi API so much that I doubt
anything actually works.
Drop the addi-data/hwdrv_apci1500.c file and rewrite the subdevice support
functions.
This board has 16 digital inputs (subdevice 0) and 16 digital outputs
(subdevice 1).
It also has three 16-bit timer/counters provided by a Z8536 CIO chip
(subdevice 2). The Z8536 chip is also used to support pattern match
interrupt detection of the first 14 digital input channels.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>