A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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hwmon: (sht21) Add Electronic Identification Code retrieval

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Expose the per-chip unique identifier so it can be used to identify the
sensor producing the measurements.

Signed-off-by: Peter A. Bigot <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Peter A. Bigot 2016-12-24 07:22:44 -06:00 • committed by Guenter Roeck
commit 53e678d75e
2 changed files with 93 additions and 4 deletions
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5
Documentation/hwmon/sht21
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@ -35,6 +35,7 @@ sysfs-Interface
temp1_input - temperature input
humidity1_input - humidity input
eic - Electronic Identification Code
Notes
-----
@ -45,5 +46,5 @@ humidity and 66 ms for temperature. To keep self heating below 0.1 degree
Celsius, the device should not be active for more than 10% of the time,
e.g. maximum two measurements per second at the given resolution.
Different resolutions, the on-chip heater, using the CRC checksum and reading
the serial number are not supported yet.
Different resolutions, the on-chip heater, and using the CRC checksum
are not supported yet.