From 61e55b88fd19331e33fb09e6b423ac0975aaa26d Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 13 Nov 2012 17:55:27 -0700 Subject: [PATCH] staging: comedi: dt282x: use cfc_check_trigger_arg_*() helpers Use the new helpers in the step 3 tests of dt282x_{ai,ao}_cmdtest(). Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dt282x.c | 82 +++++++------------------ 1 file changed, 22 insertions(+), 60 deletions(-) diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index 9746294efc94..122d980a95a0 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -611,52 +611,30 @@ static int dt282x_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++; - } if (cmd->scan_begin_src == TRIG_FOLLOW) { /* internal trigger */ - if (cmd->scan_begin_arg != 0) { - cmd->scan_begin_arg = 0; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0); } else { /* external trigger */ /* should be level/edge, hi/lo specification here */ - if (cmd->scan_begin_arg != 0) { - cmd->scan_begin_arg = 0; - err++; - } - } - if (cmd->convert_arg < 4000) { - /* XXX board dependent */ - cmd->convert_arg = 4000; - err++; + err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0); } + + err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 4000); + #define SLOWEST_TIMER (250*(1<<15)*255) - if (cmd->convert_arg > SLOWEST_TIMER) { - cmd->convert_arg = SLOWEST_TIMER; - err++; - } - if (cmd->convert_arg < board->ai_speed) { - cmd->convert_arg = board->ai_speed; - err++; - } - if (cmd->scan_end_arg != cmd->chanlist_len) { - cmd->scan_end_arg = cmd->chanlist_len; - err++; - } + err |= cfc_check_trigger_arg_max(&cmd->convert_arg, SLOWEST_TIMER); + err |= cfc_check_trigger_arg_min(&cmd->convert_arg, board->ai_speed); + err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len); + if (cmd->stop_src == TRIG_COUNT) { /* any count is allowed */ - } else { - /* TRIG_NONE */ - if (cmd->stop_arg != 0) { - cmd->stop_arg = 0; - err++; - } + } else { /* TRIG_NONE */ + err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0); } if (err) @@ -874,33 +852,17 @@ static int dt282x_ao_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); + err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg, 5000); + err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0); + err |= cfc_check_trigger_arg_max(&cmd->scan_end_arg, 2); - if (cmd->start_arg != 0) { - cmd->start_arg = 0; - err++; - } - if (cmd->scan_begin_arg < 5000 /* XXX unknown */) { - cmd->scan_begin_arg = 5000; - err++; - } - if (cmd->convert_arg != 0) { - cmd->convert_arg = 0; - err++; - } - if (cmd->scan_end_arg > 2) { - /* XXX chanlist stuff? */ - cmd->scan_end_arg = 2; - err++; - } if (cmd->stop_src == TRIG_COUNT) { /* any count is allowed */ - } else { - /* TRIG_NONE */ - if (cmd->stop_arg != 0) { - cmd->stop_arg = 0; - err++; - } + } else { /* TRIG_NONE */ + err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0); } if (err) -- 2.34.1