diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/gsc_hpdi.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/gsc_hpdi.c | 43 |
1 files changed, 11 insertions, 32 deletions
diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c index 79f580841dee..abff6603952a 100644 --- a/drivers/staging/comedi/drivers/gsc_hpdi.c +++ b/drivers/staging/comedi/drivers/gsc_hpdi.c @@ -436,7 +436,7 @@ static int setup_subdevices(struct comedi_device *dev) if (ret) return ret; - s = dev->subdevices + 0; + s = &dev->subdevices[0]; /* analog input subdevice */ dev->read_subdev = s; /* dev->write_subdev = s; */ @@ -723,45 +723,24 @@ static int di_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { int err = 0; - int tmp; int i; - /* step 1: make sure trigger sources are trivially valid */ + /* Step 1 : check if triggers are trivially valid */ - tmp = cmd->start_src; - cmd->start_src &= TRIG_NOW; - if (!cmd->start_src || tmp != cmd->start_src) - err++; - - tmp = cmd->scan_begin_src; - cmd->scan_begin_src &= TRIG_EXT; - if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) - err++; - - tmp = cmd->convert_src; - cmd->convert_src &= TRIG_NOW; - if (!cmd->convert_src || tmp != cmd->convert_src) - err++; - - tmp = cmd->scan_end_src; - cmd->scan_end_src &= TRIG_COUNT; - if (!cmd->scan_end_src || tmp != cmd->scan_end_src) - err++; - - tmp = cmd->stop_src; - cmd->stop_src &= TRIG_COUNT | TRIG_NONE; - if (!cmd->stop_src || tmp != cmd->stop_src) - err++; + err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW); + err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_EXT); + err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW); + err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT); + err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE); if (err) return 1; - /* step 2: make sure trigger sources are unique and mutually - * compatible */ + /* Step 2a : make sure trigger sources are unique */ - /* uniqueness check */ - if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE) - err++; + err |= cfc_check_trigger_is_unique(cmd->stop_src); + + /* Step 2b : and mutually compatible */ if (err) return 2; |