hwmon: (lm75) Add support for TMP75C

The TMP75C has a different control register layout and only supports
12-bit temperature samples (0.0625 deg C).
The continuous sample rate is ~12 Hz.

Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index e4e57bb..0addc84 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -57,6 +57,7 @@
 	tmp175,
 	tmp275,
 	tmp75,
+	tmp75c,
 };
 
 /* Addresses scanned */
@@ -280,6 +281,11 @@
 		data->resolution = 12;
 		data->sample_time = HZ / 2;
 		break;
+	case tmp75c:
+		clr_mask |= 1 << 5;		/* not one-shot mode */
+		data->resolution = 12;
+		data->sample_time = HZ / 4;
+		break;
 	}
 
 	/* configure as specified */
@@ -343,6 +349,7 @@
 	{ "tmp175", tmp175, },
 	{ "tmp275", tmp275, },
 	{ "tmp75", tmp75, },
+	{ "tmp75c", tmp75c, },
 	{ /* LIST END */ }
 };
 MODULE_DEVICE_TABLE(i2c, lm75_ids);