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| author | Raphael Assenat <raph@8d.com> | 2012-08-16 12:56:40 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-16 12:33:59 -0700 |
| commit | f3261dfb5538e2ff0264fde3050dbd4e922fa296 (patch) | |
| tree | e7c0181d1178efb6d0ec26f4bbd426e510e998f0 | |
| parent | f3d9d365ff7f36c4e3491ef31788449f419b781b (diff) | |
| download | linux-f3261dfb5538e2ff0264fde3050dbd4e922fa296.tar.gz linux-f3261dfb5538e2ff0264fde3050dbd4e922fa296.tar.bz2 linux-f3261dfb5538e2ff0264fde3050dbd4e922fa296.zip | |
1-Wire: Add support for the maxim ds1825 temperature sensor
This patch adds support for maxim ds1825 based 1-wire temperature sensors.
Signed-off-by: Raphael Assenat <raph@8d.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/w1/slaves/w1_therm | 2 | ||||
| -rw-r--r-- | drivers/w1/slaves/w1_therm.c | 9 | ||||
| -rw-r--r-- | drivers/w1/w1_family.h | 1 |
3 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/w1/slaves/w1_therm b/Documentation/w1/slaves/w1_therm index 0403aaaba878..874a8ca93feb 100644 --- a/Documentation/w1/slaves/w1_therm +++ b/Documentation/w1/slaves/w1_therm @@ -3,6 +3,7 @@ Kernel driver w1_therm Supported chips: * Maxim ds18*20 based temperature sensors. + * Maxim ds1825 based temperature sensors. Author: Evgeniy Polyakov <johnpol@2ka.mipt.ru> @@ -15,6 +16,7 @@ supported family codes: W1_THERM_DS18S20 0x10 W1_THERM_DS1822 0x22 W1_THERM_DS18B20 0x28 +W1_THERM_DS1825 0x3B Support is provided through the sysfs w1_slave file. Each open and read sequence will initiate a temperature conversion then provide two diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index d90062b211f8..92d08e7fcba2 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -91,6 +91,11 @@ static struct w1_family w1_therm_family_DS28EA00 = { .fops = &w1_therm_fops, }; +static struct w1_family w1_therm_family_DS1825 = { + .fid = W1_THERM_DS1825, + .fops = &w1_therm_fops, +}; + struct w1_therm_family_converter { u8 broken; @@ -120,6 +125,10 @@ static struct w1_therm_family_converter w1_therm_families[] = { .f = &w1_therm_family_DS28EA00, .convert = w1_DS18B20_convert_temp }, + { + .f = &w1_therm_family_DS1825, + .convert = w1_DS18B20_convert_temp + } }; static inline int w1_DS18B20_convert_temp(u8 rom[9]) diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h index b00ada44a89b..a1f0ce151d53 100644 --- a/drivers/w1/w1_family.h +++ b/drivers/w1/w1_family.h @@ -39,6 +39,7 @@ #define W1_EEPROM_DS2431 0x2D #define W1_FAMILY_DS2760 0x30 #define W1_FAMILY_DS2780 0x32 +#define W1_THERM_DS1825 0x3B #define W1_FAMILY_DS2781 0x3D #define W1_THERM_DS28EA00 0x42 |