add SDF_DITHER flag to analog input subdevice

diff --git a/comedi/drivers/cb_pcidas64.c b/comedi/drivers/cb_pcidas64.c
index ba9e546d2ccdf82c4dba19ce51503f69430cef2e..e473ad2959f717398a0749d9d0ffd424d904fe16 100644 (file)
--- a/comedi/drivers/cb_pcidas64.c
+++ b/comedi/drivers/cb_pcidas64.c
@@ -1356,7 +1356,7 @@ static int setup_subdevices(comedi_device *dev)
        /* analog input subdevice */
        dev->read_subdev = s;
        s->type = COMEDI_SUBD_AI;
-       s->subdev_flags = SDF_READABLE | SDF_GROUND;
+       s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DITHER;
        if(board(dev)->layout == LAYOUT_60XX)
                s->subdev_flags |= SDF_COMMON | SDF_DIFF;
        else if(board(dev)->layout == LAYOUT_64XX)
@@ -1846,7 +1846,7 @@ static int ai_rinsn(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsa
        disable_ai_pacing( dev );
 
        comedi_spin_lock_irqsave( &dev->spinlock, flags );
-       if( insn->chanspec & CR_DITHER )
+       if( insn->chanspec & CR_ALT_FILTER )
                priv(dev)->adc_control1_bits |= ADC_DITHER_BIT;
        else
                priv(dev)->adc_control1_bits &= ~ADC_DITHER_BIT;