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| author | Kalhan Trisal <kalhan.trisal@intel.com> | 2010-08-09 17:21:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-09 20:45:10 -0700 |
| commit | cfa3b24c38b58cb6acabe6441b4668e530e957af (patch) | |
| tree | 666af3dd6eb990d244ef19d16d099107da11b28d /Documentation/ABI | |
| parent | 5f1209a1a4cf24798408fa0893258dcbefcf6be9 (diff) | |
| download | linux-3.10-cfa3b24c38b58cb6acabe6441b4668e530e957af.tar.gz linux-3.10-cfa3b24c38b58cb6acabe6441b4668e530e957af.tar.bz2 linux-3.10-cfa3b24c38b58cb6acabe6441b4668e530e957af.zip | |
hmc6352: add driver for the HMC6352 compass
This driver will report the heading values in degrees to the sysfs
interface. The values returned are headings . e.g. 245.6
Alan: Cleanups requested now all folded in and a sysfs description to keep
Andrew happy. The sysfs description now resembles hwmon.
Signed-off-by: Kalhan Trisal <kalhan.trisal@intel.com>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-i2c-devices-hm6352 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-i2c-devices-hm6352 b/Documentation/ABI/testing/sysfs-bus-i2c-devices-hm6352 new file mode 100644 index 00000000000..feb2e4a8707 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-i2c-devices-hm6352 @@ -0,0 +1,21 @@ +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. + +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. + +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. + |