linux: backport support for thermal sensor lm75b

It's included in generic lm75 driver.
8 years ago · 745887a828
parent 22bd48f95c
commit 745887a828
1 changed files with 64 additions and 0 deletions
--- a/target/linux/generic/patches-3.10/999-10-hwmon-lm75-Add-support-for-the-NXP-LM75B.patch
+++ b/target/linux/generic/patches-3.10/999-10-hwmon-lm75-Add-support-for-the-NXP-LM75B.patch
@ -0,0 +1,64 @@
+From 799fc6021430243592ea8390aa4865713a12fd5f Mon Sep 17 00:00:00 2001
+From: Michael Thalmeier <michael.thalmeier@hale.at>
+Date: Tue, 18 Nov 2014 17:08:04 +0100
+Subject: [PATCH] hwmon: (lm75) Add support for the NXP LM75B
+
+It is basically a faster lm75 with improved (11 bit) resolution.
+
+Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
+Signed-off-by: Guenter Roeck <linux@roeck-us.net>
+---
+ Documentation/hwmon/lm75 | 5 +++++
+ drivers/hwmon/lm75.c     | 6 ++++++
+ 2 files changed, 11 insertions(+)
+
+diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
+index c6a5ff1..67691a0a 100644
+--- a/Documentation/hwmon/lm75
+++ b/Documentation/hwmon/lm75
+@@ -53,6 +53,11 @@ Supported chips:
+                http://www.ti.com/product/tmp75
+                http://www.ti.com/product/tmp175
+                http://www.ti.com/product/tmp275
+  * NXP LM75B
+    Prefix: 'lm75b'
+    Addresses scanned: none
+    Datasheet: Publicly available at the NXP website
+               http://www.nxp.com/documents/data_sheet/LM75B.pdf
+ 
+ Author: Frodo Looijaard <frodol@dds.nl>
+ 
+diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
+index d16dbb33a..f58439b 100644
+--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
+@@ -44,6 +44,7 @@ enum lm75_type {		/* keep sorted in alphabetical order */
+ 	g751,
+ 	lm75,
+ 	lm75a,
+	lm75b,
+ 	max6625,
+ 	max6626,
+ 	mcp980x,
+@@ -233,6 +234,10 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
+ 		data->resolution = 9;
+ 		data->sample_time = HZ / 2;
+ 		break;
+	case lm75b:
+		data->resolution = 11;
+		data->sample_time = HZ / 4;
+		break;
+ 	case max6625:
+ 		data->resolution = 9;
+ 		data->sample_time = HZ / 4;
+@@ -322,6 +327,7 @@ static const struct i2c_device_id lm75_ids[] = {
+ 	{ "g751", g751, },
+ 	{ "lm75", lm75, },
+ 	{ "lm75a", lm75a, },
+	{ "lm75b", lm75b, },
+ 	{ "max6625", max6625, },
+ 	{ "max6626", max6626, },
+ 	{ "mcp980x", mcp980x, },
+-- 
+2.3.5
+