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| author | Akira Shimahara <akira215corp@gmail.com> | 2020-05-11 22:36:31 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-15 16:28:59 +0200 |
| commit | daa3cfeb1971fd07b9c00ce452b3e3ff3298fa13 (patch) | |
| tree | 67e8cdff7b0f7b3d942a67a4b70b1e974f7effd3 /Documentation/ABI | |
| parent | w1_therm: fix reset_select_slave during discovery (diff) | |
| download | linux-daa3cfeb1971fd07b9c00ce452b3e3ff3298fa13.tar.xz linux-daa3cfeb1971fd07b9c00ce452b3e3ff3298fa13.zip | |
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>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-w1_therm | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-w1_therm b/Documentation/ABI/testing/sysfs-driver-w1_therm new file mode 100644 index 000000000000..4a856631aaf9 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-w1_therm @@ -0,0 +1,17 @@ +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
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