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authorAkira Shimahara <akira215corp@gmail.com>2020-05-11 22:36:31 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-15 16:28:59 +0200
commitdaa3cfeb1971fd07b9c00ce452b3e3ff3298fa13 (patch)
tree67e8cdff7b0f7b3d942a67a4b70b1e974f7effd3 /Documentation/ABI/testing
parentc8ad65f6fbfdcb9b620674ef456020eef2bfeb36 (diff)
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/testing')
-rw-r--r--Documentation/ABI/testing/sysfs-driver-w1_therm17
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
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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 \ No newline at end of file