From 0cd0b8fde1ec3fa31e37ab6c83cc53f7d87d1f1d Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 13 Nov 2012 17:59:32 -0700 Subject: [PATCH] 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 Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/skel.c | 63 ++++++++------------------- 1 file changed, 18 insertions(+), 45 deletions(-) diff --git a/drivers/staging/comedi/drivers/skel.c b/drivers/staging/comedi/drivers/skel.c index 162bf266f769..deb0bfaf0a3b 100644 --- a/drivers/staging/comedi/drivers/skel.c +++ b/drivers/staging/comedi/drivers/skel.c @@ -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;