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Diffstat (limited to 'Documentation/ABI/stable/sysfs-bus-w1')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-bus-w1 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-w1 b/Documentation/ABI/stable/sysfs-bus-w1 new file mode 100644 index 0000000000..5cd5e872bc --- /dev/null +++ b/Documentation/ABI/stable/sysfs-bus-w1 @@ -0,0 +1,12 @@ +What: /sys/bus/w1/devices/.../w1_master_timeout_us +Date: April 2015 +Contact: Dmitry Khromov <dk@icelogic.net> +Description: Bus scanning interval, microseconds component. + Some of 1-Wire devices commonly associated with physical access + control systems are attached/generate presence for as short as + 100 ms - hence the tens-to-hundreds milliseconds scan intervals + are required. + + see Documentation/w1/w1-generic.rst for detailed information. +Users: any user space application which wants to know bus scanning + interval |