staging: comedi: adv_pci1710: fix AI INSN_READ for non-zero channel

[firefly-linux-kernel-4.4.55.git] / drivers / staging / comedi / drivers / adv_pci1710.c

diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 9800c01e6fb97409966e1b35157656ff139f31ea..3f72451d2de01aa44d1b16f633ddd8999894db25 100644 (file)
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -426,7 +426,6 @@ static int pci171x_ai_insn_read(struct comedi_device *dev,
                                unsigned int *data)
 {
        struct pci1710_private *devpriv = dev->private;
-       unsigned int chan = CR_CHAN(insn->chanspec);
        int ret = 0;
        int i;
 
@@ -447,7 +446,7 @@ static int pci171x_ai_insn_read(struct comedi_device *dev,
                if (ret)
                        break;
 
-               ret = pci171x_ai_read_sample(dev, s, chan, &val);
+               ret = pci171x_ai_read_sample(dev, s, 0, &val);
                if (ret)
                        break;