hwmon: (tmp401) Add support for TMP431
TMP431 is compatible to TMP401.
Also add support for additional I2C addresses supported by TMP411B
and TMP411C.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index 97bf344..f4290ec 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -40,9 +40,9 @@
#include <linux/sysfs.h>
/* Addresses to scan */
-static const unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x4c, 0x4d, 0x4e, I2C_CLIENT_END };
-enum chips { tmp401, tmp411 };
+enum chips { tmp401, tmp411, tmp431 };
/*
* The TMP401 registers, note some registers have different addresses for
@@ -90,6 +90,7 @@
#define TMP401_MANUFACTURER_ID 0x55
#define TMP401_DEVICE_ID 0x11
#define TMP411_DEVICE_ID 0x12
+#define TMP431_DEVICE_ID 0x31
/*
* Driver data (common to all clients)
@@ -98,6 +99,7 @@
static const struct i2c_device_id tmp401_id[] = {
{ "tmp401", tmp401 },
{ "tmp411", tmp411 },
+ { "tmp431", tmp431 },
{ }
};
MODULE_DEVICE_TABLE(i2c, tmp401_id);
@@ -555,11 +557,18 @@
switch (reg) {
case TMP401_DEVICE_ID:
+ if (client->addr != 0x4c)
+ return -ENODEV;
kind = tmp401;
break;
case TMP411_DEVICE_ID:
kind = tmp411;
break;
+ case TMP431_DEVICE_ID:
+ if (client->addr == 0x4e)
+ return -ENODEV;
+ kind = tmp431;
+ break;
default:
return -ENODEV;
}
@@ -603,7 +612,7 @@
{
int i, err = 0;
struct tmp401_data *data;
- const char *names[] = { "TMP401", "TMP411" };
+ const char *names[] = { "TMP401", "TMP411", "TMP431" };
data = devm_kzalloc(&client->dev, sizeof(struct tmp401_data),
GFP_KERNEL);