UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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

Use the new helpers in the step 3 tests of skel_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 17:59:32 -07:00 committed by Greg Kroah-Hartman
parent 53a254b92c
commit 0cd0b8fde1
1 changed files with 18 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
drivers/staging/comedi/drivers/skel.c
View File

@ -233,67 +233,40 @@ static int skel_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->scan_begin_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;