diff options
| author | Robert Coulson <rob.coulson@gmail.com> | 2013-06-10 18:46:02 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2013-06-27 10:30:43 -0700 |
| commit | 260f81ffc1b9f09dde355caa09e4b312756666f0 (patch) | |
| tree | 46d929b1f8e1834a06007bdeaee4ad9d68e0bb82 /drivers/hwmon | |
| parent | 2ec2819623521c28de3ab5d6e1f096542d032246 (diff) | |
| download | op-kernel-dev-260f81ffc1b9f09dde355caa09e4b312756666f0.zip op-kernel-dev-260f81ffc1b9f09dde355caa09e4b312756666f0.tar.gz | |
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>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/hwmon/ds1621.c | 12 |
2 files changed, 8 insertions, 5 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 4f71370..683c769 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -357,6 +357,7 @@ config SENSORS_DS1621 - Dallas Semiconductor DS1625 - Maxim Integrated DS1631 - Maxim Integrated DS1721 + - Maxim Integrated DS1731 This driver can also be built as a module. If so, the module will be called ds1621. 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 @@ MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low") * 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 @@ static inline int DS1621_TEMP_FROM_REG(u16 reg) * 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 @@ static void ds1621_init_client(struct i2c_client *client) 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 @@ static const struct i2c_device_id ds1621_id[] = { { "ds1625", ds1625 }, { "ds1631", ds1631 }, { "ds1721", ds1721 }, + { "ds1731", ds1731 }, { } }; MODULE_DEVICE_TABLE(i2c, ds1621_id); |
