Fixed analog output command to use TRIG_INT

diff --git a/comedi/drivers/dt282x.c b/comedi/drivers/dt282x.c
index c5215efdbcca84ebf19d385781c8cf49e6a9b1ac..850f570cd779afebd39708425a3bbe6a0255fdb8 100644 (file)
--- a/comedi/drivers/dt282x.c
+++ b/comedi/drivers/dt282x.c
@@ -933,7 +933,7 @@ static int dt282x_ao_cmdtest(comedi_device *dev,comedi_subdevice *s,comedi_cmd *
        /* step 1: make sure trigger sources are trivially valid */
 
        tmp=cmd->start_src;
-       cmd->start_src &= TRIG_NOW;
+       cmd->start_src &= TRIG_INT;
        if(!cmd->start_src || tmp!=cmd->start_src)err++;
 
        tmp=cmd->scan_begin_src;
@@ -1006,9 +1006,29 @@ static int dt282x_ao_cmdtest(comedi_device *dev,comedi_subdevice *s,comedi_cmd *
 
 }
 
-static int dt282x_ao_cmd(comedi_device *dev,comedi_subdevice *s)
+static int dt282x_ao_inttrig(comedi_device *dev,comedi_subdevice *s,
+               unsigned int x)
 {
        int size;
+
+       if(x!=0)return -EVINAL;
+
+       size=copy_from_buf(dev,s,devpriv->dma[0].buf,devpriv->dma_maxsize*2);
+       prep_ao_dma(dev,0,size/2);
+       enable_dma(devpriv->dma[0].chan);
+
+       size=copy_from_buf(dev,s,devpriv->dma[1].buf,devpriv->dma_maxsize*2);
+       prep_ao_dma(dev,1,size/2);
+       enable_dma(devpriv->dma[1].chan);
+       
+       update_supcsr(DT2821_STRIG);
+       s->async->inttrig=NULL;
+
+       return 1;
+}
+
+static int dt282x_ao_cmd(comedi_device *dev,comedi_subdevice *s)
+{
        int timer;
        comedi_cmd *cmd=&s->async->cmd;
 
@@ -1021,21 +1041,13 @@ static int dt282x_ao_cmd(comedi_device *dev,comedi_subdevice *s)
        devpriv->dma_dir=DMA_MODE_WRITE;
        devpriv->current_dma_chan=0;
 
-       size=copy_from_buf(dev,s,devpriv->dma[0].buf,devpriv->dma_maxsize*2);
-       prep_ao_dma(dev,0,size/2);
-       enable_dma(devpriv->dma[0].chan);
-
-       size=copy_from_buf(dev,s,devpriv->dma[1].buf,devpriv->dma_maxsize*2);
-       prep_ao_dma(dev,1,size/2);
-       enable_dma(devpriv->dma[1].chan);
-       
        timer=dt282x_ns_to_timer(&cmd->scan_begin_arg,TRIG_ROUND_NEAREST);
        outw(timer, dev->iobase + DT2821_TMRCTR);
 
        devpriv->dacsr = DT2821_SSEL| DT2821_DACLK | DT2821_IDARDY;
        update_dacsr(0);
 
-       update_supcsr(DT2821_STRIG);
+       s->async->inttrig=dt282x_ao_inttrig;
 
        return 0;
 }