staging: comedi: addi_apci_3501: cleanup the digital output subdevice

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The board supported by this driver has 2 digital outputs. Remove the
conditional and always init the subdevice.

Also, move the subdevice insn_bits function pointer as well as the
n_chan out of the boardinfo and use them to initialize the subdevice
directly.

Since devpriv->s_EeParameters for the digital output subdevice are no
longer being used, remove initialization of them also.

Copy the apci3501_do_insn_bits() function from hwrdv_apci3501.c into
the main driver file.

Fix the subdev_flags for the subdevice. The only required flag is
SDF_WRITEABLE. The SDF_GROUND and SDF_COMMON flags only have meaning
for analog subdevices and the SDF_READABLE flag is not required.

Fix the maxdata for the subdevice. Digital outputs can only be 1 or 0.

Remove the len_chanlist initialization, it only has meaning for subdevices
that support commands.

Remove the io_bits initialization, it only has meaning for digital i/o
subdevices that have configurable outputs.

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>

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This commit is contained in:

H Hartley Sweeten 2013-01-23 12:37:16 -07:00 • committed by Greg Kroah-Hartman

parent 3d596e50ff

commit 953a36c45a

2 changed files with 30 additions and 47 deletions

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22

drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c

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55

drivers/staging/comedi/drivers/addi_apci_3501.c

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