From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Wed, 24 Oct 2007 18:14:55 +0000 (+0000)
Subject: Prevent glitches when transitioning from static control of dio lines
X-Git-Tag: r0_7_75~8
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=ab94ff3970cd8d2305f4450e247d855cb1b98033;p=comedi.git

Prevent glitches when transitioning from static control of dio lines
to waveform output.
---

diff --git a/comedi/drivers/ni_mio_common.c b/comedi/drivers/ni_mio_common.c
index 999211ec..b5002f42 100644
--- a/comedi/drivers/ni_mio_common.c
+++ b/comedi/drivers/ni_mio_common.c
@@ -3171,6 +3171,8 @@ static int ni_ao_reset(comedi_device *dev,comedi_subdevice *s)
 	return 0;
 }
 
+// digital io
+
 static int ni_dio_insn_config(comedi_device *dev,comedi_subdevice *s,
 	comedi_insn *insn,lsampl_t *data)
 {
@@ -3392,6 +3394,8 @@ static int ni_cdio_cmd(comedi_device *dev, comedi_subdevice *s)
 	ni_writel(cdo_mode_bits, M_Offset_CDO_Mode);
 	if(s->io_bits)
 	{
+		ni_writel(s->state, M_Offset_CDO_FIFO_Data);
+		ni_writel(CDO_SW_Update_Bit, M_Offset_CDIO_Command);
 		ni_writel(s->io_bits, M_Offset_CDO_Mask_Enable);
 	}else
 	{