diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-04-29 12:59:48 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-03 20:06:34 -0400 |
| commit | a19f71615875b207813fee32db983903a0ec5729 (patch) | |
| tree | 4f077a88f9b98736b7743dea6547639ce562ca13 /drivers/staging | |
| parent | 2f673c5d10511e790de97ab885878cbad1678245 (diff) | |
| download | linux-a19f71615875b207813fee32db983903a0ec5729.tar.bz2 | |
staging: comedi: hwdrv_apci3120: cmd->convert_src is always TRIG_TIMER
The (*do_cmdtest) validates that the cmd->convert_src can only be
TRIG_TIMER. Remove the unnecessay checks.
THis also simplifies the (*do_cmd) a bit since "mode 3" (whatever that
is) is never a valid mode.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c index b9780768f88f..7bc6b8ff8157 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c @@ -765,15 +765,12 @@ static int apci3120_ai_cmdtest(struct comedi_device *dev, if (cmd->scan_begin_src == TRIG_TIMER) /* Test Delay timing */ err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg, 100000); - if (cmd->convert_src == TRIG_TIMER) { /* Test Acquisition timing */ - if (cmd->scan_begin_src == TRIG_TIMER) { - if (cmd->convert_arg) - err |= cfc_check_trigger_arg_min( - &cmd->convert_arg, 10000); - } else { + if (cmd->scan_begin_src == TRIG_TIMER) { + if (cmd->convert_arg) err |= cfc_check_trigger_arg_min(&cmd->convert_arg, - 10000); - } + 10000); + } else { + err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 10000); } err |= cfc_check_trigger_arg_min(&cmd->chanlist_len, 1); @@ -789,15 +786,10 @@ static int apci3120_ai_cmdtest(struct comedi_device *dev, /* step 4: fix up any arguments */ - if (cmd->convert_src == TRIG_TIMER) { - - if (cmd->scan_begin_src == TRIG_TIMER && - cmd->scan_begin_arg < - cmd->convert_arg * cmd->scan_end_arg) { - cmd->scan_begin_arg = - cmd->convert_arg * cmd->scan_end_arg; - err++; - } + if (cmd->scan_begin_src == TRIG_TIMER && + cmd->scan_begin_arg < cmd->convert_arg * cmd->scan_end_arg) { + cmd->scan_begin_arg = cmd->convert_arg * cmd->scan_end_arg; + err |= -EINVAL; } if (err) @@ -1344,23 +1336,10 @@ static int apci3120_ai_cmd(struct comedi_device *dev, else devpriv->b_ExttrigEnable = APCI3120_DISABLE; - if (cmd->scan_begin_src == TRIG_FOLLOW) { - /* mode 1 or 3 */ - if (cmd->convert_src == TRIG_TIMER) { - /* mode 1 */ - - /* return this_board->ai_cmd(1,dev,s); */ - return apci3120_cyclic_ai(1, dev, s); - } - - } - if ((cmd->scan_begin_src == TRIG_TIMER) - && (cmd->convert_src == TRIG_TIMER)) { - /* mode 2 */ - /* return this_board->ai_cmd(2,dev,s); */ + if (cmd->scan_begin_src == TRIG_FOLLOW) + return apci3120_cyclic_ai(1, dev, s); + else /* TRIG_TIMER */ return apci3120_cyclic_ai(2, dev, s); - } - return -1; } /* |