linux-kernel - [PATCH] hwmon: (lm90) Add support for ADT7461A and NCT1008

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Message-ID: <1302104479-13363-1-git-send-email-guenter.roeck@ericsson.com>
Date:	Wed, 6 Apr 2011 08:41:19 -0700
From:	Guenter Roeck <guenter.roeck@...csson.com>
To:	Jean Delvare <khali@...ux-fr.org>
CC:	Andrew Chew <achew@...dia.com>, <lm-sensors@...sensors.org>,
	<linux-kernel@...r.kernel.org>,
	Guenter Roeck <guenter.roeck@...csson.com>
Subject: [PATCH] hwmon: (lm90) Add support for ADT7461A and NCT1008

This patch adds support for ADT7461A and NCT1008 to the lm90 driver.
Both chips have identical functionality and report the same manufacturing ID
and device ID values.

Signed-off-by: Guenter Roeck <guenter.roeck@...csson.com>
---
Would this be a candidate for 2.6.39 and possibly -stable ?

 drivers/hwmon/Kconfig |    8 ++++----
 drivers/hwmon/lm90.c  |    6 ++++++
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 060ef63..92d0251 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -618,10 +618,10 @@ config SENSORS_LM90
 	depends on I2C
 	help
 	  If you say yes here you get support for National Semiconductor LM90,
-	  LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, Maxim
-	  MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659,
-	  MAX6680, MAX6681, MAX6692, MAX6695, MAX6696, and Winbond/Nuvoton
-	  W83L771W/G/AWG/ASG sensor chips.
+	  LM86, LM89 and LM99, Analog Devices ADM1032, ADT7461, and ADT7461A,
+	  Maxim MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659,
+	  MAX6680, MAX6681, MAX6692, MAX6695, MAX6696, ON Semiconductor NCT1008,
+	  and Winbond/Nuvoton W83L771W/G/AWG/ASG sensor chips.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm90.
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 812781c..0aa892c 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -174,6 +174,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
 static const struct i2c_device_id lm90_id[] = {
 	{ "adm1032", adm1032 },
 	{ "adt7461", adt7461 },
+	{ "adt7461a", adt7461 },
 	{ "lm90", lm90 },
 	{ "lm86", lm86 },
 	{ "lm89", lm86 },
@@ -1153,6 +1154,11 @@ static int lm90_detect(struct i2c_client *new_client,
 		 && (reg_config1 & 0x1B) == 0x00
 		 && reg_convrate <= 0x0A) {
 			name = "adt7461";
+		} else
+		if (chip_id == 0x57 /* ADT7461A, NCT1008 */
+		 && (reg_config1 & 0x1B) == 0x00
+		 && reg_convrate <= 0x0A) {
+			name = "adt7461a";
 		}
 	} else
 	if (man_id == 0x4D) { /* Maxim */
-- 
1.7.3.1

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