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Message-Id: <20131218210523.579088418@linuxfoundation.org>
Date:	Wed, 18 Dec 2013 13:08:36 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	H Hartley Sweeten <hsweeten@...ionengravers.com>,
	Ian Abbott <abbotti@....co.uk>
Subject: [PATCH 3.4 28/31] staging: comedi: ssv_dnp: use comedi_dio_update_state()

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: H Hartley Sweeten <hsweeten@...ionengravers.com>

commit f6b316bcd8c421acd6fa5a6e18b4c846ecb9d965 upstream.

Use comedi_dio_update_state() to handle the boilerplate code to update
the subdevice s->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: H Hartley Sweeten <hsweeten@...ionengravers.com>
Reviewed-by: Ian Abbott <abbotti@....co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/staging/comedi/drivers/ssv_dnp.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/staging/comedi/drivers/ssv_dnp.c
+++ b/drivers/staging/comedi/drivers/ssv_dnp.c
@@ -251,11 +251,11 @@ static int dnp_dio_insn_bits(struct come
 
 	/* 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 2;
 


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