[PATCH stable] staging: comedi: ssv_dnp: correct insn_bits result

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follow f6b316bcd8c421acd6fa5a6e18b4c846ecb9d965

[Split from original patch subject: "staging: comedi: ssv_dnp: use
comedi_dio_update_state()"]

Also, fix a bug where the state of the channels is returned in data[0].
The comedi core expects it to be returned in data[1].

Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
---
Applies to all stable kernels from 2.6.32.y to 3.12.y
---
 drivers/staging/comedi/drivers/ssv_dnp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c
index 11758a5..0e687de 100644
--- a/drivers/staging/comedi/drivers/ssv_dnp.c
+++ b/drivers/staging/comedi/drivers/ssv_dnp.c
@@ -83,11 +83,11 @@ static int dnp_dio_insn_bits(struct comedi_device *dev,
 
 	/* on return, data[1] contains the value of the digital input lines. */
 	outb(PADR, CSCIR);
-	data[0] = inb(CSCDR);
+	data[1] = inb(CSCDR);
 	outb(PBDR, CSCIR);
-	data[0] += inb(CSCDR) << 8;
+	data[1] += inb(CSCDR) << 8;
 	outb(PCDR, CSCIR);
-	data[0] += ((inb(CSCDR) & 0xF0) << 12);
+	data[1] += ((inb(CSCDR) & 0xF0) << 12);
 
 	return insn->n;
 
-- 
1.8.4.4

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