The SDF_GROUND and SDF_COMMON flags only apply to analog subdevices.
It makes no sense to set these flags for digital subdevices.

Digital input (COMEDI_SUBD_DI) subdevices only need the SDF_READABLE
flag and optionally SDF_CMD_READ it the subdevice supports commands.

Digital output (COMEDI_SUBD_DO) subdevices only need the SDF_WRITABLE
flag.

Digital In/Out (COMEDI_SUBD_DIO) subdevices need both flags.

The aio_iiro_16 driver sets the type of the subdevices incorrectly.
Subdevice 0 is actually a COMEDI_SUBD_DO and subdevice 1 is a
COMEDI_SUBD_DI. Fix them and rename the (*insn_bits) functions.

The addi_apci_1032 driver incorrectly sets the SDF_CMD_READ subdev_flag
in the subdevice type. Fix it.

The adv_pci_dio driver sets the SDF_LSAMPL subdev_flag if the
number of channels is > 16. This flag has nothing to do with the
number of channels and is not needed. Remove it.

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 .../staging/comedi/drivers/addi-data/addi_common.c |  5 ++---
 drivers/staging/comedi/drivers/addi_apci_1032.c    |  4 ++--
 drivers/staging/comedi/drivers/addi_apci_3120.c    |  5 ++---
 drivers/staging/comedi/drivers/adl_pci9111.c       |  2 +-
 drivers/staging/comedi/drivers/adl_pci9118.c       |  4 ++--
 drivers/staging/comedi/drivers/adv_pci1710.c       |  4 ++--
 drivers/staging/comedi/drivers/adv_pci_dio.c       | 12 ++++-------
 drivers/staging/comedi/drivers/aio_iiro_16.c       | 24 +++++++++++-----------
 drivers/staging/comedi/drivers/amplc_pc263.c       |  2 +-
 drivers/staging/comedi/drivers/amplc_pci263.c      |  2 +-
 drivers/staging/comedi/drivers/cb_pcidas64.c       |  2 +-
 drivers/staging/comedi/drivers/das08.c             |  2 +-
 drivers/staging/comedi/drivers/das16.c             |  2 +-
 drivers/staging/comedi/drivers/das16m1.c           |  2 +-
 drivers/staging/comedi/drivers/das1800.c           |  2 +-
 drivers/staging/comedi/drivers/das800.c            |  2 +-
 drivers/staging/comedi/drivers/dyna_pci10xx.c      |  4 ++--
 drivers/staging/comedi/drivers/icp_multi.c         |  2 +-
 drivers/staging/comedi/drivers/ni_6527.c           |  2 +-
 drivers/staging/comedi/drivers/ni_65xx.c           |  2 +-
 drivers/staging/comedi/drivers/pcl726.c            |  4 ++--
 21 files changed, 42 insertions(+), 48 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c 
b/drivers/staging/comedi/drivers/addi-data/addi_common.c
index 63dff77..1b1b9bc 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c
@@ -198,7 +198,7 @@ static int addi_auto_attach(struct comedi_device *dev,
        s = &dev->subdevices[2];
        if (devpriv->s_EeParameters.i_NbrDiChannel) {
                s->type = COMEDI_SUBD_DI;
-               s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
+               s->subdev_flags = SDF_READABLE;
                s->n_chan = devpriv->s_EeParameters.i_NbrDiChannel;
                s->maxdata = 1;
                s->len_chanlist =
@@ -216,8 +216,7 @@ static int addi_auto_attach(struct comedi_device *dev,
        s = &dev->subdevices[3];
        if (devpriv->s_EeParameters.i_NbrDoChannel) {
                s->type = COMEDI_SUBD_DO;
-               s->subdev_flags =
-                       SDF_READABLE | SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
+               s->subdev_flags = SDF_WRITEABLE;
                s->n_chan = devpriv->s_EeParameters.i_NbrDoChannel;
                s->maxdata = devpriv->s_EeParameters.i_DoMaxdata;
                s->len_chanlist =
diff --git a/drivers/staging/comedi/drivers/addi_apci_1032.c 
b/drivers/staging/comedi/drivers/addi_apci_1032.c
index 34ab067..b95a8b3 100644
--- a/drivers/staging/comedi/drivers/addi_apci_1032.c
+++ b/drivers/staging/comedi/drivers/addi_apci_1032.c
@@ -325,8 +325,8 @@ static int apci1032_auto_attach(struct comedi_device *dev,
        s = &dev->subdevices[1];
        if (dev->irq) {
                dev->read_subdev = s;
-               s->type         = COMEDI_SUBD_DI | SDF_CMD_READ;
-               s->subdev_flags = SDF_READABLE;
+               s->type         = COMEDI_SUBD_DI;
+               s->subdev_flags = SDF_READABLE | SDF_CMD_READ;
                s->n_chan       = 1;
                s->maxdata      = 1;
                s->range_table  = &range_digital;
diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c 
b/drivers/staging/comedi/drivers/addi_apci_3120.c
index d804957..8c904ea 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3120.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3120.c
@@ -159,7 +159,7 @@ static int apci3120_auto_attach(struct comedi_device *dev,
        /*  Allocate and Initialise DI Subdevice Structures */
        s = &dev->subdevices[2];
        s->type = COMEDI_SUBD_DI;
-       s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
+       s->subdev_flags = SDF_READABLE;
        s->n_chan = this_board->i_NbrDiChannel;
        s->maxdata = 1;
        s->len_chanlist = this_board->i_NbrDiChannel;
@@ -170,8 +170,7 @@ static int apci3120_auto_attach(struct comedi_device *dev,
        /*  Allocate and Initialise DO Subdevice Structures */
        s = &dev->subdevices[3];
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags =
-               SDF_READABLE | SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
+       s->subdev_flags = SDF_WRITEABLE;
        s->n_chan = this_board->i_NbrDoChannel;
        s->maxdata = this_board->i_DoMaxdata;
        s->len_chanlist = this_board->i_NbrDoChannel;
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c 
b/drivers/staging/comedi/drivers/adl_pci9111.c
index 78cea19..cdb9209 100644
--- a/drivers/staging/comedi/drivers/adl_pci9111.c
+++ b/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -914,7 +914,7 @@ static int pci9111_auto_attach(struct comedi_device *dev,
 
        s = &dev->subdevices[3];
        s->type         = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan       = 16;
        s->maxdata      = 1;
        s->range_table  = &range_digital;
diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c 
b/drivers/staging/comedi/drivers/adl_pci9118.c
index 22196ad..eb91048 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -2070,7 +2070,7 @@ static int pci9118_common_attach(struct comedi_device 
*dev, int disable_irq,
 
        s = &dev->subdevices[2];
        s->type = COMEDI_SUBD_DI;
-       s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
+       s->subdev_flags = SDF_READABLE;
        s->n_chan = 4;
        s->maxdata = 1;
        s->len_chanlist = 4;
@@ -2080,7 +2080,7 @@ static int pci9118_common_attach(struct comedi_device 
*dev, int disable_irq,
 
        s = &dev->subdevices[3];
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 4;
        s->maxdata = 1;
        s->len_chanlist = 4;
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c 
b/drivers/staging/comedi/drivers/adv_pci1710.c
index f84df46..4a36bec 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -1315,7 +1315,7 @@ static int pci1710_auto_attach(struct comedi_device *dev,
        if (this_board->n_dichan) {
                s = &dev->subdevices[subdev];
                s->type = COMEDI_SUBD_DI;
-               s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
+               s->subdev_flags = SDF_READABLE;
                s->n_chan = this_board->n_dichan;
                s->maxdata = 1;
                s->len_chanlist = this_board->n_dichan;
@@ -1328,7 +1328,7 @@ static int pci1710_auto_attach(struct comedi_device *dev,
        if (this_board->n_dochan) {
                s = &dev->subdevices[subdev];
                s->type = COMEDI_SUBD_DO;
-               s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
+               s->subdev_flags = SDF_WRITABLE;
                s->n_chan = this_board->n_dochan;
                s->maxdata = 1;
                s->len_chanlist = this_board->n_dochan;
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c 
b/drivers/staging/comedi/drivers/adv_pci_dio.c
index f091fa0..fa11238 100644
--- a/drivers/staging/comedi/drivers/adv_pci_dio.c
+++ b/drivers/staging/comedi/drivers/adv_pci_dio.c
@@ -940,7 +940,7 @@ static int pci1760_attach(struct comedi_device *dev)
 
        s = &dev->subdevices[0];
        s->type = COMEDI_SUBD_DI;
-       s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
+       s->subdev_flags = SDF_READABLE;
        s->n_chan = 8;
        s->maxdata = 1;
        s->len_chanlist = 8;
@@ -949,7 +949,7 @@ static int pci1760_attach(struct comedi_device *dev)
 
        s = &dev->subdevices[1];
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 8;
        s->maxdata = 1;
        s->len_chanlist = 8;
@@ -988,9 +988,7 @@ static int pci_dio_add_di(struct comedi_device *dev,
        const struct dio_boardtype *this_board = comedi_board(dev);
 
        s->type = COMEDI_SUBD_DI;
-       s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON | d->specflags;
-       if (d->chans > 16)
-               s->subdev_flags |= SDF_LSAMPL;
+       s->subdev_flags = SDF_READABLE | d->specflags;
        s->n_chan = d->chans;
        s->maxdata = 1;
        s->len_chanlist = d->chans;
@@ -1018,9 +1016,7 @@ static int pci_dio_add_do(struct comedi_device *dev,
        const struct dio_boardtype *this_board = comedi_board(dev);
 
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
-       if (d->chans > 16)
-               s->subdev_flags |= SDF_LSAMPL;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = d->chans;
        s->maxdata = 1;
        s->len_chanlist = d->chans;
diff --git a/drivers/staging/comedi/drivers/aio_iiro_16.c 
b/drivers/staging/comedi/drivers/aio_iiro_16.c
index afe87cc..4443d12 100644
--- a/drivers/staging/comedi/drivers/aio_iiro_16.c
+++ b/drivers/staging/comedi/drivers/aio_iiro_16.c
@@ -40,10 +40,10 @@ Configuration Options:
 #define AIO_IIRO_16_RELAY_8_15 0x04
 #define AIO_IIRO_16_INPUT_8_15 0x05
 
-static int aio_iiro_16_dio_insn_bits_write(struct comedi_device *dev,
-                                          struct comedi_subdevice *s,
-                                          struct comedi_insn *insn,
-                                          unsigned int *data)
+static int aio_iiro_16_do_insn_bits(struct comedi_device *dev,
+                                   struct comedi_subdevice *s,
+                                   struct comedi_insn *insn,
+                                   unsigned int *data)
 {
        if (data[0]) {
                s->state &= ~data[0];
@@ -58,10 +58,10 @@ static int aio_iiro_16_dio_insn_bits_write(struct 
comedi_device *dev,
        return insn->n;
 }
 
-static int aio_iiro_16_dio_insn_bits_read(struct comedi_device *dev,
-                                         struct comedi_subdevice *s,
-                                         struct comedi_insn *insn,
-                                         unsigned int *data)
+static int aio_iiro_16_di_insn_bits(struct comedi_device *dev,
+                                   struct comedi_subdevice *s,
+                                   struct comedi_insn *insn,
+                                   unsigned int *data)
 {
        data[1] = 0;
        data[1] |= inb(dev->iobase + AIO_IIRO_16_INPUT_0_7);
@@ -85,20 +85,20 @@ static int aio_iiro_16_attach(struct comedi_device *dev,
                return ret;
 
        s = &dev->subdevices[0];
-       s->type = COMEDI_SUBD_DIO;
+       s->type = COMEDI_SUBD_DO;
        s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 16;
        s->maxdata = 1;
        s->range_table = &range_digital;
-       s->insn_bits = aio_iiro_16_dio_insn_bits_write;
+       s->insn_bits = aio_iiro_16_do_insn_bits;
 
        s = &dev->subdevices[1];
-       s->type = COMEDI_SUBD_DIO;
+       s->type = COMEDI_SUBD_DI;
        s->subdev_flags = SDF_READABLE;
        s->n_chan = 16;
        s->maxdata = 1;
        s->range_table = &range_digital;
-       s->insn_bits = aio_iiro_16_dio_insn_bits_read;
+       s->insn_bits = aio_iiro_16_di_insn_bits;
 
        return 1;
 }
diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c 
b/drivers/staging/comedi/drivers/amplc_pc263.c
index e710804..55229e6 100644
--- a/drivers/staging/comedi/drivers/amplc_pc263.c
+++ b/drivers/staging/comedi/drivers/amplc_pc263.c
@@ -87,7 +87,7 @@ static int pc263_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        s = &dev->subdevices[0];
        /* digital output subdevice */
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 16;
        s->maxdata = 1;
        s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/amplc_pci263.c 
b/drivers/staging/comedi/drivers/amplc_pci263.c
index 145bb48..3e56937 100644
--- a/drivers/staging/comedi/drivers/amplc_pci263.c
+++ b/drivers/staging/comedi/drivers/amplc_pci263.c
@@ -77,7 +77,7 @@ static int pci263_auto_attach(struct comedi_device *dev,
        s = &dev->subdevices[0];
        /* digital output subdevice */
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 16;
        s->maxdata = 1;
        s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c 
b/drivers/staging/comedi/drivers/cb_pcidas64.c
index e6e4561..1dab461 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -3937,7 +3937,7 @@ static int setup_subdevices(struct comedi_device *dev)
        if (thisboard->layout == LAYOUT_64XX) {
                s = &dev->subdevices[3];
                s->type = COMEDI_SUBD_DO;
-               s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+               s->subdev_flags = SDF_WRITABLE;
                s->n_chan = 4;
                s->maxdata = 1;
                s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/das08.c 
b/drivers/staging/comedi/drivers/das08.c
index 5f66970..9cdfffe 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -521,7 +521,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned 
long iobase)
        /* do */
        if (thisboard->do_nchan) {
                s->type = COMEDI_SUBD_DO;
-               s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+               s->subdev_flags = SDF_WRITABLE;
                s->n_chan = thisboard->do_nchan;
                s->maxdata = 1;
                s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/das16.c 
b/drivers/staging/comedi/drivers/das16.c
index 593ec38..3d09b28 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -1292,7 +1292,7 @@ static int das16_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        /* do */
        if (board->do_) {
                s->type = COMEDI_SUBD_DO;
-               s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+               s->subdev_flags = SDF_WRITABLE;
                s->n_chan = 4;
                s->maxdata = 1;
                s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/das16m1.c 
b/drivers/staging/comedi/drivers/das16m1.c
index b943c44..812b0fa 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -633,7 +633,7 @@ static int das16m1_attach(struct comedi_device *dev,
        s = &dev->subdevices[2];
        /* do */
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 4;
        s->maxdata = 1;
        s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/das1800.c 
b/drivers/staging/comedi/drivers/das1800.c
index 5b30029..73c5bcd 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -1635,7 +1635,7 @@ static int das1800_attach(struct comedi_device *dev,
        /* do */
        s = &dev->subdevices[3];
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = thisboard->do_n_chan;
        s->maxdata = 1;
        s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/das800.c 
b/drivers/staging/comedi/drivers/das800.c
index 11e1611..3e5084c 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -757,7 +757,7 @@ static int das800_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        /* Digital Output subdevice */
        s = &dev->subdevices[2];
        s->type         = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan       = 4;
        s->maxdata      = 1;
        s->range_table  = &range_digital;
diff --git a/drivers/staging/comedi/drivers/dyna_pci10xx.c 
b/drivers/staging/comedi/drivers/dyna_pci10xx.c
index fd525f4..82fd479 100644
--- a/drivers/staging/comedi/drivers/dyna_pci10xx.c
+++ b/drivers/staging/comedi/drivers/dyna_pci10xx.c
@@ -224,7 +224,7 @@ static int dyna_pci10xx_auto_attach(struct comedi_device 
*dev,
        /* digital input */
        s = &dev->subdevices[2];
        s->type = COMEDI_SUBD_DI;
-       s->subdev_flags = SDF_READABLE | SDF_GROUND;
+       s->subdev_flags = SDF_READABLE;
        s->n_chan = 16;
        s->maxdata = 1;
        s->range_table = &range_digital;
@@ -234,7 +234,7 @@ static int dyna_pci10xx_auto_attach(struct comedi_device 
*dev,
        /* digital output */
        s = &dev->subdevices[3];
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 16;
        s->maxdata = 1;
        s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/icp_multi.c 
b/drivers/staging/comedi/drivers/icp_multi.c
index 3889d23..a26314d 100644
--- a/drivers/staging/comedi/drivers/icp_multi.c
+++ b/drivers/staging/comedi/drivers/icp_multi.c
@@ -553,7 +553,7 @@ static int icp_multi_auto_attach(struct comedi_device *dev,
 
        s = &dev->subdevices[3];
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 8;
        s->maxdata = 1;
        s->len_chanlist = 8;
diff --git a/drivers/staging/comedi/drivers/ni_6527.c 
b/drivers/staging/comedi/drivers/ni_6527.c
index c2745f2..7245ce4 100644
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -368,7 +368,7 @@ static int ni6527_auto_attach(struct comedi_device *dev,
 
        s = &dev->subdevices[1];
        s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+       s->subdev_flags = SDF_WRITABLE;
        s->n_chan = 24;
        s->range_table = &range_unknown;  /* FIXME: actually conductance */
        s->maxdata = 1;
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c 
b/drivers/staging/comedi/drivers/ni_65xx.c
index 3ba4c57..63e2753 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -634,7 +634,7 @@ static int ni_65xx_auto_attach(struct comedi_device *dev,
        s = &dev->subdevices[1];
        if (board->num_do_ports) {
                s->type = COMEDI_SUBD_DO;
-               s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+               s->subdev_flags = SDF_WRITABLE;
                s->n_chan =
                    board->num_do_ports * ni_65xx_channels_per_port;
                s->range_table = &range_digital;
diff --git a/drivers/staging/comedi/drivers/pcl726.c 
b/drivers/staging/comedi/drivers/pcl726.c
index a4d0bcc..c407664 100644
--- a/drivers/staging/comedi/drivers/pcl726.c
+++ b/drivers/staging/comedi/drivers/pcl726.c
@@ -303,7 +303,7 @@ static int pcl726_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
                s->type = COMEDI_SUBD_UNUSED;
        } else {
                s->type = COMEDI_SUBD_DI;
-               s->subdev_flags = SDF_READABLE | SDF_GROUND;
+               s->subdev_flags = SDF_READABLE;
                s->n_chan = 16;
                s->maxdata = 1;
                s->len_chanlist = 1;
@@ -317,7 +317,7 @@ static int pcl726_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
                s->type = COMEDI_SUBD_UNUSED;
        } else {
                s->type = COMEDI_SUBD_DO;
-               s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
+               s->subdev_flags = SDF_WRITABLE;
                s->n_chan = 16;
                s->maxdata = 1;
                s->len_chanlist = 1;
-- 
1.8.3.2

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