From 39c7bba8ccaee3bec441cb3de7763b96b1b76d94 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 13 Nov 2012 17:55:42 -0700 Subject: [PATCH] staging: comedi: dt3000: use cfc_check_trigger_arg_*() helpers Use the new helpers in the step 3 tests of dt3k_ai_cmdtest(). Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dt3000.c | 53 ++++++++++----------------------- 1 file changed, 16 insertions(+), 37 deletions(-) diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c index 71c2495..f6d4ebd 100644 --- a/drivers/staging/comedi/drivers/dt3000.c +++ b/drivers/staging/comedi/drivers/dt3000.c @@ -468,51 +468,30 @@ static int dt3k_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 */ - if (cmd->start_arg != 0) { - cmd->start_arg = 0; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0); if (cmd->scan_begin_src == TRIG_TIMER) { - if (cmd->scan_begin_arg < this_board->ai_speed) { - cmd->scan_begin_arg = this_board->ai_speed; - err++; - } - if (cmd->scan_begin_arg > 100 * 16 * 65535) { - cmd->scan_begin_arg = 100 * 16 * 65535; - err++; - } + err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg, + this_board->ai_speed); + err |= cfc_check_trigger_arg_max(&cmd->scan_begin_arg, + 100 * 16 * 65535); } if (cmd->convert_src == TRIG_TIMER) { - if (cmd->convert_arg < this_board->ai_speed) { - cmd->convert_arg = this_board->ai_speed; - err++; - } - if (cmd->convert_arg > 50 * 16 * 65535) { - cmd->convert_arg = 50 * 16 * 65535; - err++; - } + err |= cfc_check_trigger_arg_min(&cmd->convert_arg, + this_board->ai_speed); + err |= cfc_check_trigger_arg_max(&cmd->convert_arg, + 50 * 16 * 65535); } - 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; -- 2.7.4