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- Kernel driver tmp401
- ====================
- Supported chips:
- * Texas Instruments TMP401
- Prefix: 'tmp401'
- Addresses scanned: I2C 0x4c
- Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp401.html
- * Texas Instruments TMP411
- Prefix: 'tmp411'
- Addresses scanned: I2C 0x4c
- Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp411.html
- Authors:
- Hans de Goede <hdegoede@redhat.com>
- Andre Prendel <andre.prendel@gmx.de>
- Description
- -----------
- This driver implements support for Texas Instruments TMP401 and
- TMP411 chips. These chips implements one remote and one local
- temperature sensor. Temperature is measured in degrees
- Celsius. Resolution of the remote sensor is 0.0625 degree. Local
- sensor resolution can be set to 0.5, 0.25, 0.125 or 0.0625 degree (not
- supported by the driver so far, so using the default resolution of 0.5
- degree).
- The driver provides the common sysfs-interface for temperatures (see
- /Documentation/hwmon/sysfs-interface under Temperatures).
- The TMP411 chip is compatible with TMP401. It provides some additional
- features.
- * Minimum and Maximum temperature measured since power-on, chip-reset
- Exported via sysfs attributes tempX_lowest and tempX_highest.
- * Reset of historical minimum/maximum temperature measurements
- Exported via sysfs attribute temp_reset_history. Writing 1 to this
- file triggers a reset.
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