linux-kernel - [PATCH 3.19.y-ckt 194/251] hwmon: (nct7802) fix visibility of temp3

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Date:	Wed, 15 Jul 2015 18:08:35 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Constantine Shulyupin <const@...eLinux.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 194/251] hwmon: (nct7802) fix visibility of temp3

3.19.8-ckt4 -stable review patch.  If anyone has any objections, please let me know.

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

From: Constantine Shulyupin <const@...ra.com>

commit 56172d81a9bc37a69b95dd627b8d48135c9c7b31 upstream.

Excerpt from datasheet:
7.2.32 Mode Selection Register
RTD3_MD : 00=Closed , 01=Reserved , 10=Thermistor mode , 11=Voltage sense

Show temp3 only in Thermistor mode

Signed-off-by: Constantine Shulyupin <const@...eLinux.com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/hwmon/nct7802.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index ec56782..60cf5d1 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -547,7 +547,7 @@ static umode_t nct7802_temp_is_visible(struct kobject *kobj,
 	if (index >= 9 && index < 18 &&
 	    (reg & 0x0c) != 0x04 && (reg & 0x0c) != 0x08)	/* RD2 */
 		return 0;
-	if (index >= 18 && index < 27 && (reg & 0x30) != 0x10)	/* RD3 */
+	if (index >= 18 && index < 27 && (reg & 0x30) != 0x20)	/* RD3 */
 		return 0;
 	if (index >= 27 && index < 35)				/* local */
 		return attr->mode;
-- 
1.9.1

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