hwmon: (ds1621) Add DS1731 chip support to ds1621 driver
These changes add DS1731 chip support to the ds1621 driver,
Kconfig, and documentation.
Signed-off-by: Robert Coulson <rob.coulson@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 8e940ad..591758b 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -10,8 +10,8 @@
* resolution, a thermal alarm output (Tout), and user-defined minimum
* and maximum temperature thresholds (TH and TL).
*
- * The DS1625, DS1631, and DS1721 are pin compatible with the DS1621 and
- * similar in operation, with slight variations as noted in the device
+ * The DS1625, DS1631, DS1721, and DS1731 are pin compatible with the DS1621
+ * and similar in operation, with slight variations as noted in the device
* datasheets (please refer to www.maximintegrated.com for specific
* device information).
*
@@ -47,7 +47,7 @@
#include <linux/kernel.h>
/* Supported devices */
-enum chips { ds1621, ds1625, ds1631, ds1721 };
+enum chips { ds1621, ds1625, ds1631, ds1721, ds1731 };
/* Insmod parameters */
static int polarity = -1;
@@ -65,7 +65,7 @@
* 7 6 5 4 3 2 1 0
* |Done|THF |TLF |NVB | 1 | 0 |POL |1SHOT|
*
- * - DS1631:
+ * - DS1631, DS1731:
* 7 6 5 4 3 2 1 0
* |Done|THF |TLF |NVB | R1 | R0 |POL |1SHOT|
*
@@ -140,7 +140,7 @@
* TEMP: 0.001C/bit (-55C to +125C)
* REG:
* - 1621, 1625: 0.5C/bit
- * - 1631, 1721: 0.0625C/bit
+ * - 1631, 1721, 1731: 0.0625C/bit
* Assume highest resolution and let the bits fall where they may..
*/
static inline u16 DS1621_TEMP_TO_REG(long temp)
@@ -176,6 +176,7 @@
break;
case ds1631:
case ds1721:
+ case ds1731:
resol = (new_conf & DS1621_REG_CONFIG_RESOL) >>
DS1621_REG_CONFIG_RESOL_SHIFT;
data->update_interval = ds1721_convrates[resol];
@@ -406,6 +407,7 @@
{ "ds1625", ds1625 },
{ "ds1631", ds1631 },
{ "ds1721", ds1721 },
+ { "ds1731", ds1731 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ds1621_id);