From 35402007dd9ad3a05350a0815aa2e1ca7dba77d5 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 13 Nov 2012 17:54:41 -0700 Subject: [PATCH] staging: comedi: das1800: use cfc_check_trigger_arg_*() helpers Use the new helpers in the step 3 tests of das1800_ai_do_cmdtest(). Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/das1800.c | 38 +++++++----------------- 1 file changed, 11 insertions(+), 27 deletions(-) diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c index 2495cd914793..7900f959555d 100644 --- a/drivers/staging/comedi/drivers/das1800.c +++ b/drivers/staging/comedi/drivers/das1800.c @@ -824,39 +824,23 @@ static int das1800_ai_do_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++; - } + 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); switch (cmd->stop_src) { case TRIG_COUNT: - if (!cmd->stop_arg) { - cmd->stop_arg = 1; - err++; - } + err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1); break; case TRIG_NONE: - if (cmd->stop_arg != 0) { - cmd->stop_arg = 0; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0); break; default: break; -- 2.20.1