hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

staging: comedi: ni_at_a2150: use cfc_check_trigger_arg_*() helpers 

Use the new helpers in the step 3 tests of a2150_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 17:56:26 -07:00 committed by Greg Kroah-Hartman
parent 8c6c5a692d
commit dd254844f1
1 changed files with 14 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/staging/comedi/drivers/ni_at_a2150.c
View File

@ -345,37 +345,21 @@ static int a2150_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 */
if (cmd->start_arg != 0) {
cmd->start_arg = 0;
err++;
}
if (cmd->convert_src == TRIG_TIMER) {
if (cmd->convert_arg < thisboard->ai_speed) {
cmd->convert_arg = thisboard->ai_speed;
err++;
}
}
if (!cmd->chanlist_len) {
cmd->chanlist_len = 1;
err++;
}
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) {
cmd->stop_arg = 1;
err++;
}
} else { /* TRIG_NONE */
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
}
}
err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
if (cmd->convert_src == TRIG_TIMER)
err |= cfc_check_trigger_arg_min(&cmd->convert_arg,
thisboard->ai_speed);
err |= cfc_check_trigger_arg_min(&cmd->chanlist_len, 1);
err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT)
err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
else /* TRIG_NONE */
err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;