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w1_therm: adding sysfs-driver-w1_therm doc 

Adding a sysfs-driver-w1_therm documentation file in
Documentation/ABI/testing. It describe the onlys sysfs entry of w1_therm
module, based on Documentation/w1/slaves/w1_therm.rst

Signed-off-by: Akira Shimahara <akira215corp@gmail.com>
Link: https://lore.kernel.org/r/20200511203631.410227-1-akira215corp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Akira Shimahara 2020-05-11 22:36:31 +02:00 committed by Greg Kroah-Hartman
parent c8ad65f6fb
commit daa3cfeb19
1 changed files with 17 additions and 0 deletions
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What: /sys/bus/w1/devices/.../w1_slave
Date: May 2020
Contact: Akira Shimahara <akira215corp@gmail.com>
Description:
(RW) return the temperature in 1/1000 degC.
*read*: return 2 lines with the hexa output data sent on the
bus, return the CRC check and temperature in 1/1000 degC
*write* :
* '0' : save the 2 or 3 bytes to the device EEPROM
(i.e. TH, TL and config register)
* '9..12' : set the device resolution in RAM
(if supported)
* Anything else: do nothing
refer to Documentation/w1/slaves/w1_therm.rst for detailed
information.
Users: any user space application which wants to communicate with
w1_term device