A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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hmc6352: add driver for the HMC6352 compass

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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 <[email protected]>
Reviewed-by: Jean Delvare <[email protected]>
Signed-off-by: Alan Cox <[email protected]>
Cc: Jonathan Cameron <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kalhan Trisal 2010-08-09 17:21:05 -07:00 • committed by Linus Torvalds
commit cfa3b24c38
4 changed files with 195 additions and 0 deletions
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Documentation/ABI/testing/sysfs-bus-i2c-devices-hm6352 Normal file
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Where: /sys/bus/i2c/devices/.../heading0_input
Date: April 2010
Kernel Version: 2.6.36?
Contact: [email protected]
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: [email protected]
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: [email protected]
Description: Sets the calibration on or off (1 = on, 0 = off). See the
chip data sheet.