diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-10-20 11:34:26 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-29 15:58:37 +0800 |
| commit | 758505199e89de48374ed1c8618f95c218e9cd6f (patch) | |
| tree | 619edce1e44261db93c872963946924665bb40ba | |
| parent | 2a420f408aa73759b61446503adbd83c88e33966 (diff) | |
staging: comedi: addi_apci_3120: tidy up timer subdevice init
It appears that this subdevice is actually broken. The subdevice functions
all violate the comedi API and, it they did work, it appears they would
break the analog input async commands.
For now just tidy up the subdevice init.
Add the SDF_READABLE subdev_flag, this subdevice provides an (*insn_read).
Fix the subdevice 'maxdata' initialization. The timer is 24-bits.
Remove the 'len_chanlist' initialization. This member is only used by
subdevices that support async commands.
Also remove the 'range_table' initialization. The core will set it to
range_unknown which is appropriate.
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>
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_3120.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c b/drivers/staging/comedi/drivers/addi_apci_3120.c index cc561788e740..ec6f89b9e99c 100644 --- a/drivers/staging/comedi/drivers/addi_apci_3120.c +++ b/drivers/staging/comedi/drivers/addi_apci_3120.c @@ -222,18 +222,15 @@ static int apci3120_auto_attach(struct comedi_device *dev, s->range_table = &range_digital; s->insn_bits = apci3120_do_insn_bits; - /* Allocate and Initialise Timer Subdevice Structures */ + /* Timer subdevice */ s = &dev->subdevices[4]; - s->type = COMEDI_SUBD_TIMER; - s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON; - s->n_chan = 1; - s->maxdata = 0; - s->len_chanlist = 1; - s->range_table = &range_digital; - - s->insn_write = apci3120_write_insn_timer; - s->insn_read = apci3120_read_insn_timer; - s->insn_config = apci3120_config_insn_timer; + s->type = COMEDI_SUBD_TIMER; + s->subdev_flags = SDF_WRITEABLE | SDF_READABLE; + s->n_chan = 1; + s->maxdata = 0x00ffffff; + s->insn_write = apci3120_write_insn_timer; + s->insn_read = apci3120_read_insn_timer; + s->insn_config = apci3120_config_insn_timer; apci3120_reset(dev); return 0; |