staging: comedi: rtd520: remove 'aiChans' and 'aiBits' from boardinfo
authorH Hartley Sweeten <hartleys@visionengravers.com>
Mon, 29 Oct 2012 17:06:34 +0000 (10:06 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 30 Oct 2012 17:44:47 +0000 (10:44 -0700)
All the boards supported by this driver have the same number of analog
input channels and resolution. Remove the boardinfo for this and just
open-code the values in the attach.

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>
drivers/staging/comedi/drivers/rtd520.c

index 3c4aa65..de15350 100644 (file)
@@ -252,8 +252,6 @@ static const struct comedi_lrange rtd_ao_range = {
 struct rtdBoard {
        const char *name;
        int device_id;
-       int aiChans;
-       int aiBits;
        int aiMaxGain;
        int range10Start;       /* start of +-10V range */
        int rangeUniStart;      /* start of +10V range */
@@ -263,16 +261,12 @@ static const struct rtdBoard rtd520Boards[] = {
        {
                .name           = "DM7520",
                .device_id      = 0x7520,
-               .aiChans        = 16,
-               .aiBits         = 12,
                .aiMaxGain      = 32,
                .range10Start   = 6,
                .rangeUniStart  = 12,
        }, {
                .name           = "PCI4520",
                .device_id      = 0x4520,
-               .aiChans        = 16,
-               .aiBits         = 12,
                .aiMaxGain      = 128,
                .range10Start   = 8,
                .rangeUniStart  = 16,
@@ -1340,8 +1334,8 @@ static int rtd_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
        /* analog input subdevice */
        s->type = COMEDI_SUBD_AI;
        s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON | SDF_DIFF;
-       s->n_chan = thisboard->aiChans;
-       s->maxdata = (1 << thisboard->aiBits) - 1;
+       s->n_chan = 16;
+       s->maxdata = 0x0fff;
        if (thisboard->aiMaxGain <= 32)
                s->range_table = &rtd_ai_7520_range;
        else
@@ -1362,7 +1356,7 @@ static int rtd_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
        s->type = COMEDI_SUBD_AO;
        s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 2;
-       s->maxdata = (1 << thisboard->aiBits) - 1;
+       s->maxdata = 0x0fff;
        s->range_table = &rtd_ao_range;
        s->insn_write = rtd_ao_winsn;
        s->insn_read = rtd_ao_rinsn;