hwmon: (lm75) Add support for TMP112

TMP112 is compatible to LM75.

Signed-off-by: Frans Klaver <frans.klaver@xsens.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
index 2560a9c..c6a5ff1 100644 (file)
--- a/Documentation/hwmon/lm75
+++ b/Documentation/hwmon/lm75
@@ -42,13 +42,14 @@ Supported chips:
     Addresses scanned: none
     Datasheet: Publicly available at the ST website
                http://www.st.com/internet/analog/product/121769.jsp
-  * Texas Instruments TMP100, TMP101, TMP105, TMP75, TMP175, TMP275
-    Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp175', 'tmp75', 'tmp275'
+  * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP175, TMP275
+    Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp275'
     Addresses scanned: none
     Datasheet: Publicly available at the Texas Instruments website
                http://www.ti.com/product/tmp100
                http://www.ti.com/product/tmp101
                http://www.ti.com/product/tmp105
+               http://www.ti.com/product/tmp112
                http://www.ti.com/product/tmp75
                http://www.ti.com/product/tmp175
                http://www.ti.com/product/tmp275

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index a01a166..0c7359c 100644 (file)
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -894,8 +894,8 @@ config SENSORS_LM75
                - NXP's LM75A
                - ST Microelectronics STDS75
                - TelCom (now Microchip) TCN75
-               - Texas Instruments TMP100, TMP101, TMP105, TMP75, TMP175,
-                 TMP275
+               - Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75,
+                 TMP175, TMP275
 
          This driver supports driver model based binding through board
          specific I2C device tables.

diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 479ffbe..d16dbb3 100644 (file)
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -52,6 +52,7 @@ enum lm75_type {              /* keep sorted in alphabetical order */
        tmp100,
        tmp101,
        tmp105,
+       tmp112,
        tmp175,
        tmp275,
        tmp75,
@@ -255,6 +256,12 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
                data->sample_time = HZ;
                clr_mask |= 1 << 7;             /* not one-shot mode */
                break;
+       case tmp112:
+               set_mask |= 3 << 5;             /* 12-bit mode */
+               clr_mask |= 1 << 7;             /* not one-shot mode */
+               data->resolution = 12;
+               data->sample_time = HZ / 4;
+               break;
        case tmp105:
        case tmp175:
        case tmp275:
@@ -323,6 +330,7 @@ static const struct i2c_device_id lm75_ids[] = {
        { "tmp100", tmp100, },
        { "tmp101", tmp101, },
        { "tmp105", tmp105, },
+       { "tmp112", tmp112, },
        { "tmp175", tmp175, },
        { "tmp275", tmp275, },
        { "tmp75", tmp75, },