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staging: comedi: cb_das16_cs: use cfc_check_trigger_arg_*() helpers

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Use the new helpers in the step 3 tests of das16cs_ai_cmdtest().

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 2012-11-13 17:53:24 -07:00 committed by Greg Kroah-Hartman
parent 670c475cf0
commit 7d4adbe4f1
1 changed files with 19 additions and 45 deletions
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64
drivers/staging/comedi/drivers/cb_das16_cs.c
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@ -194,67 +194,41 @@ static int das16cs_ai_cmdtest(struct comedi_device *dev,
if (err)
return 2;
/* step 3: make sure arguments are trivially compatible */
/* Step 3: check if arguments are trivially valid */
err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
if (cmd->start_arg != 0) {
cmd->start_arg = 0;
err++;
}
#define MAX_SPEED 10000 /* in nanoseconds */
#define MIN_SPEED 1000000000 /* in nanoseconds */
if (cmd->scan_begin_src == TRIG_TIMER) {
if (cmd->scan_begin_arg < MAX_SPEED) {
cmd->scan_begin_arg = MAX_SPEED;
err++;
}
if (cmd->scan_begin_arg > MIN_SPEED) {
cmd->scan_begin_arg = MIN_SPEED;
err++;
}
err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg,
MAX_SPEED);
err |= cfc_check_trigger_arg_max(&cmd->scan_begin_arg,
MIN_SPEED);
} else {
/* external trigger */
/* should be level/edge, hi/lo specification here */
/* should specify multiple external triggers */
if (cmd->scan_begin_arg > 9) {
cmd->scan_begin_arg = 9;
err++;
}
err |= cfc_check_trigger_arg_max(&cmd->scan_begin_arg, 9);
}
if (cmd->convert_src == TRIG_TIMER) {
if (cmd->convert_arg < MAX_SPEED) {
cmd->convert_arg = MAX_SPEED;
err++;
}
if (cmd->convert_arg > MIN_SPEED) {
cmd->convert_arg = MIN_SPEED;
err++;
}
err |= cfc_check_trigger_arg_min(&cmd->convert_arg,
MAX_SPEED);
err |= cfc_check_trigger_arg_max(&cmd->convert_arg,
MIN_SPEED);
} else {
/* external trigger */
/* see above */
if (cmd->convert_arg > 9) {
cmd->convert_arg = 9;
err++;
}
err |= cfc_check_trigger_arg_max(&cmd->convert_arg, 9);
}
if (cmd->scan_end_arg != cmd->chanlist_len) {
cmd->scan_end_arg = cmd->chanlist_len;
err++;
}
if (cmd->stop_src == TRIG_COUNT) {
if (cmd->stop_arg > 0x00ffffff) {
cmd->stop_arg = 0x00ffffff;
err++;
}
} else {
/* TRIG_NONE */
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
}
}
err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT)
err |= cfc_check_trigger_arg_max(&cmd->stop_arg, 0x00ffffff);
else /* TRIG_NONE */
err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;