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staging: comedi: me4000: remove struct me4000_ai_info

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The me4000_aio_info in the boardinfo struct is used to indicate
the number of analog input channels and a couple other details
about them. Remove the extra struct and absorb the data into the
boardinfo struct.

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>
This commit is contained in:
H Hartley Sweeten 2012-09-07 17:40:06 -07:00 committed by Greg Kroah-Hartman
parent 898f51910d
commit 6ba8dfef57
2 changed files with 49 additions and 79 deletions
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116
drivers/staging/comedi/drivers/me4000.c
View File

@ -68,46 +68,36 @@ static const struct me4000_board me4000_boards[] = {
{
.name = "ME-4650",
.device_id = 0x4650,
.ai = {
.count = 16,
},
.ai_nchan = 16,
.dio_nchan = 32,
}, {
.name = "ME-4660",
.device_id = 0x4660,
.ai = {
.count = 32,
.diff_count = 16,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.dio_nchan = 32,
.has_counter = 1,
}, {
.name = "ME-4660i",
.device_id = 0x4661,
.ai = {
.count = 32,
.diff_count = 16,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.dio_nchan = 32,
.has_counter = 1,
}, {
.name = "ME-4660s",
.device_id = 0x4662,
.ai = {
.count = 32,
.sh_count = 8,
.diff_count = 16,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ai_sh_nchan = 8,
.dio_nchan = 32,
.has_counter = 1,
}, {
.name = "ME-4660is",
.device_id = 0x4663,
.ai = {
.count = 32,
.sh_count = 8,
.diff_count = 16,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ai_sh_nchan = 8,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -116,11 +106,9 @@ static const struct me4000_board me4000_boards[] = {
.ao = {
.count = 4,
},
.ai = {
.count = 32,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -129,11 +117,9 @@ static const struct me4000_board me4000_boards[] = {
.ao = {
.count = 4,
},
.ai = {
.count = 32,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -142,12 +128,10 @@ static const struct me4000_board me4000_boards[] = {
.ao = {
.count = 4,
},
.ai = {
.count = 32,
.sh_count = 8,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ai_sh_nchan = 8,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -156,12 +140,10 @@ static const struct me4000_board me4000_boards[] = {
.ao = {
.count = 4,
},
.ai = {
.count = 32,
.sh_count = 8,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ai_sh_nchan = 8,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -171,11 +153,9 @@ static const struct me4000_board me4000_boards[] = {
.count = 4,
.fifo_count = 4,
},
.ai = {
.count = 32,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -185,11 +165,9 @@ static const struct me4000_board me4000_boards[] = {
.count = 4,
.fifo_count = 4,
},
.ai = {
.count = 32,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -199,12 +177,10 @@ static const struct me4000_board me4000_boards[] = {
.count = 4,
.fifo_count = 4,
},
.ai = {
.count = 32,
.sh_count = 8,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ai_sh_nchan = 8,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
}, {
@ -214,12 +190,10 @@ static const struct me4000_board me4000_boards[] = {
.count = 4,
.fifo_count = 4,
},
.ai = {
.count = 32,
.sh_count = 8,
.diff_count = 16,
.ex_trig_analog = 1,
},
.ai_nchan = 32,
.ai_diff_nchan = 16,
.ai_sh_nchan = 8,
.ex_trig_analog = 1,
.dio_nchan = 32,
.has_counter = 1,
},
@ -809,7 +783,7 @@ static int me4000_ai_insn_read(struct comedi_device *dev,
switch (aref) {
case AREF_GROUND:
case AREF_COMMON:
if (chan >= thisboard->ai.count) {
if (chan >= thisboard->ai_nchan) {
printk(KERN_ERR
"comedi%d: me4000: me4000_ai_insn_read(): "
"Analog input is not available\n", dev->minor);
@ -827,7 +801,7 @@ static int me4000_ai_insn_read(struct comedi_device *dev,
return -EINVAL;
}
if (chan >= thisboard->ai.diff_count) {
if (chan >= thisboard->ai_diff_nchan) {
printk(KERN_ERR
"comedi%d: me4000: me4000_ai_insn_read(): "
"Analog input is not available\n", dev->minor);
@ -949,7 +923,7 @@ static int ai_check_chanlist(struct comedi_device *dev,
if (aref == SDF_DIFF) {
for (i = 0; i < cmd->chanlist_len; i++) {
if (CR_CHAN(cmd->chanlist[i]) >=
thisboard->ai.diff_count) {
thisboard->ai_diff_nchan) {
printk(KERN_ERR
"comedi%d: me4000: ai_check_chanlist():"
" Channel number to high\n", dev->minor);
@ -958,7 +932,7 @@ static int ai_check_chanlist(struct comedi_device *dev,
}
} else {
for (i = 0; i < cmd->chanlist_len; i++) {
if (CR_CHAN(cmd->chanlist[i]) >= thisboard->ai.count) {
if (CR_CHAN(cmd->chanlist[i]) >= thisboard->ai_nchan) {
printk(KERN_ERR
"comedi%d: me4000: ai_check_chanlist(): "
"Channel number to high\n", dev->minor);
@ -2157,11 +2131,11 @@ static int me4000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s = &dev->subdevices[0];
if (thisboard->ai.count) {
if (thisboard->ai_nchan) {
s->type = COMEDI_SUBD_AI;
s->subdev_flags =
SDF_READABLE | SDF_COMMON | SDF_GROUND | SDF_DIFF;
s->n_chan = thisboard->ai.count;
s->n_chan = thisboard->ai_nchan;
s->maxdata = 0xFFFF; /* 16 bit ADC */
s->len_chanlist = ME4000_AI_CHANNEL_LIST_COUNT;
s->range_table = &me4000_ai_range;

12
drivers/staging/comedi/drivers/me4000.h
View File

@ -261,18 +261,14 @@ struct me4000_ao_info {
int fifo_count;
};
struct me4000_ai_info {
int count;
int sh_count;
int diff_count;
int ex_trig_analog;
};
struct me4000_board {
const char *name;
unsigned short device_id;
struct me4000_ao_info ao;
struct me4000_ai_info ai;
int ai_nchan;
int ai_diff_nchan;
int ai_sh_nchan;
int ex_trig_analog;
int dio_nchan;
int has_counter;
};