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authorMichael Thalmeier <michael.thalmeier@hale.at>2014-11-18 17:08:04 +0100
committerGuenter Roeck <linux@roeck-us.net>2014-12-01 05:13:13 +0100
commit799fc6021430243592ea8390aa4865713a12fd5f (patch)
tree5bcafe28a6b3dca1a3e73da49d17e488f56d5901
parenthwmon: Driver for Nuvoton NCT7802Y (diff)
downloadlinux-799fc6021430243592ea8390aa4865713a12fd5f.tar.xz
linux-799fc6021430243592ea8390aa4865713a12fd5f.zip
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>
-rw-r--r--Documentation/hwmon/lm755
-rw-r--r--drivers/hwmon/lm75.c6
2 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
index c6a5ff1b4641..67691a0aa41d 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 d16dbb33a531..f58439b817b5 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, },