From 28a844f6c5569cef3e6b2fb77bef13906d8d30f6 Mon Sep 17 00:00:00 2001
From: Bernd Porr <Bernd.Porr@f2s.com>
Date: Wed, 6 Dec 2006 23:57:23 +0000
Subject: [PATCH] The flag SDF_CMD_READ was missing which gave the error number
 "-1" during async reads.

---
 comedi/drivers/usbduxfast.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/comedi/drivers/usbduxfast.c b/comedi/drivers/usbduxfast.c
index f6965cd5..347ead59 100644
--- a/comedi/drivers/usbduxfast.c
+++ b/comedi/drivers/usbduxfast.c
@@ -1742,8 +1742,8 @@ static int usbduxfast_attach(comedi_device * dev, comedi_devconfig * it)
 	// analog input
 	s->type=COMEDI_SUBD_AI;
 	// readable and ref is to ground
-	s->subdev_flags=SDF_READABLE|SDF_GROUND;
-	// 8 channels
+	s->subdev_flags=SDF_READABLE|SDF_GROUND|SDF_CMD_READ;
+	// 16 channels
 	s->n_chan=16;
 	// length of the channellist
 	s->len_chanlist=16;
-- 
2.26.2