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Linus Torvalds
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Aug 10, 2010
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| refs/heads/master: fd8aa2c1811bf60ccb2d5de0579c6f62aec1772d | ||
| refs/heads/master: 3d30701b58970425e1d45994d6cb82f828924fdd |
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trunk/Documentation/ABI/testing/sysfs-bus-i2c-devices-hm6352
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| Where: /sys/bus/i2c/devices/.../heading0_input | ||
| Date: April 2010 | ||
| Kernel Version: 2.6.36? | ||
| Contact: alan.cox@intel.com | ||
| Description: Reports the current heading from the compass as a floating | ||
| point value in degrees. | ||
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| Where: /sys/bus/i2c/devices/.../power_state | ||
| Date: April 2010 | ||
| Kernel Version: 2.6.36? | ||
| Contact: alan.cox@intel.com | ||
| Description: Sets the power state of the device. 0 sets the device into | ||
| sleep mode, 1 wakes it up. | ||
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| Where: /sys/bus/i2c/devices/.../calibration | ||
| Date: April 2010 | ||
| Kernel Version: 2.6.36? | ||
| Contact: alan.cox@intel.com | ||
| Description: Sets the calibration on or off (1 = on, 0 = off). See the | ||
| chip data sheet. | ||
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| What: /sys/bus/i2c/devices/<busnum>-<devaddr>/pressure0_input | ||
| Date: June 2010 | ||
| Contact: Christoph Mair <christoph.mair@gmail.com> | ||
| Description: Start a pressure measurement and read the result. Values | ||
| represent the ambient air pressure in pascal (0.01 millibar). | ||
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| Reading: returns the current air pressure. | ||
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| What: /sys/bus/i2c/devices/<busnum>-<devaddr>/temp0_input | ||
| Date: June 2010 | ||
| Contact: Christoph Mair <christoph.mair@gmail.com> | ||
| Description: Measure the ambient temperature. The returned value represents | ||
| the ambient temperature in units of 0.1 degree celsius. | ||
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| Reading: returns the current temperature. | ||
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| What: /sys/bus/i2c/devices/<busnum>-<devaddr>/oversampling | ||
| Date: June 2010 | ||
| Contact: Christoph Mair <christoph.mair@gmail.com> | ||
| Description: Tell the bmp085 to use more samples to calculate a pressure | ||
| value. When writing to this file the chip will use 2^x samples | ||
| to calculate the next pressure value with x being the value | ||
| written. Using this feature will decrease RMS noise and | ||
| increase the measurement time. | ||
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| Reading: returns the current oversampling setting. | ||
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| Writing: sets a new oversampling setting. | ||
| Accepted values: 0..3. |
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| @@ -1,11 +1,8 @@ | ||
| 00-INDEX | ||
| - This file | ||
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| cachefeatures.txt | ||
| - Supported cache features. | ||
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| Filesystems | ||
| - Requirements for mounting the root file system. | ||
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| bfin-gpio-note.txt | ||
| bfin-gpio-notes.txt | ||
| - Notes in developing/using bfin-gpio driver. | ||
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| bfin-spi-notes.txt | ||
| - Notes for using bfin spi bus driver. |
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