All boardinfo entries have this member set as '4'. Remove the member and
initialize the Digial Output 'n_chan' with 4 directly.
Also, remove the initialization of 'len_chanlist'. This member is only
used with subdevices that support async commands.
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>
        int i_AiMaxdata;
        int i_AoMaxdata;
        int i_NbrDiChannel;
-       int i_NbrDoChannel;
 };
 
 static const struct apci3120_board apci3120_boardtypes[] = {
                .i_AiMaxdata            = 0xffff,
                .i_AoMaxdata            = 0x3fff,
                .i_NbrDiChannel         = 4,
-               .i_NbrDoChannel         = 4,
        },
        [BOARD_APCI3001] = {
                .name                   = "apci3001",
                .i_AiChannelList        = 16,
                .i_AiMaxdata            = 0xfff,
                .i_NbrDiChannel         = 4,
-               .i_NbrDoChannel         = 4,
        },
 };
 
        s->type = COMEDI_SUBD_DO;
        s->subdev_flags =
                SDF_READABLE | SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
-       s->n_chan = this_board->i_NbrDoChannel;
+       s->n_chan = 4;
        s->maxdata = 1;
-       s->len_chanlist = this_board->i_NbrDoChannel;
        s->range_table = &range_digital;
        s->insn_bits = apci3120_do_insn_bits;