staging: comedi: cb_pcimdda: cleanup the analog out read/write
Use the register map define to work out the i/o address. Cleanup the comments about the simultaneous transfer mode for the analog outputs. Change the return to 'insn->n', the comedi core expects the return to be the number of data elements used. Technically the 'i' value is correct but 'insn->n' just makes it clearer. 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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