From e43ed5fa1435e3ae8a2a5727ea30581640f9e18d Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 13 Nov 2012 17:54:56 -0700 Subject: [PATCH] staging: comedi: dmm32at: use cfc_check_trigger_arg_*() helpers Use the new helpers in the step 3 tests of dmm32at_ai_cmdtest(). Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dmm32at.c | 53 +++++++----------------- 1 file changed, 15 insertions(+), 38 deletions(-) diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c index a526c6770bbc..9e2124179a0c 100644 --- a/drivers/staging/comedi/drivers/dmm32at.c +++ b/drivers/staging/comedi/drivers/dmm32at.c @@ -280,33 +280,25 @@ static int dmm32at_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_SCAN_SPEED 1000000 /* in nanoseconds */ #define MIN_SCAN_SPEED 1000000000 /* in nanoseconds */ if (cmd->scan_begin_src == TRIG_TIMER) { - if (cmd->scan_begin_arg < MAX_SCAN_SPEED) { - cmd->scan_begin_arg = MAX_SCAN_SPEED; - err++; - } - if (cmd->scan_begin_arg > MIN_SCAN_SPEED) { - cmd->scan_begin_arg = MIN_SCAN_SPEED; - err++; - } + err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg, + MAX_SCAN_SPEED); + err |= cfc_check_trigger_arg_max(&cmd->scan_begin_arg, + MIN_SCAN_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 >= 17500) cmd->convert_arg = 20000; @@ -316,35 +308,20 @@ static int dmm32at_ai_cmdtest(struct comedi_device *dev, cmd->convert_arg = 10000; else cmd->convert_arg = 5000; - } else { /* external trigger */ /* see above */ - if (cmd->convert_arg > 9) { - cmd->convert_arg = 9; - err++; - } + err |= cfc_check_trigger_arg_max(&cmd->convert_arg, 9); } - if (cmd->scan_end_arg != cmd->chanlist_len) { - cmd->scan_end_arg = cmd->chanlist_len; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len); + if (cmd->stop_src == TRIG_COUNT) { - if (cmd->stop_arg > 0xfffffff0) { - cmd->stop_arg = 0xfffffff0; - err++; - } - if (cmd->stop_arg == 0) { - cmd->stop_arg = 1; - err++; - } + err |= cfc_check_trigger_arg_max(&cmd->stop_arg, 0xfffffff0); + err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1); } else { /* TRIG_NONE */ - if (cmd->stop_arg != 0) { - cmd->stop_arg = 0; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0); } if (err) -- 2.30.2