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6c4b88288a
Replace sysrq-reset-seq with keyset. Signed-off-by: Ding Tao <miyatsu@qq.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
34 lines
1.0 KiB
Plaintext
34 lines
1.0 KiB
Plaintext
Input: sysrq reset sequence
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A simple binding to represent a set of keys as described in
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include/uapi/linux/input.h. This is to communicate a sequence of keys to the
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sysrq driver. Upon holding the keys for a specified amount of time (if
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specified) the system is sync'ed and reset.
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Key sequences are global to the system but all the keys in a set must be coming
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from the same input device.
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The /chosen node should contain a 'linux,sysrq-reset-seq' child node to define
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a set of keys.
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Required property:
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keyset: array of Linux keycodes, one keycode per cell.
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Optional property:
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timeout-ms: duration keys must be pressed together in milliseconds before
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generating a sysrq. If omitted the system is rebooted immediately when a valid
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sequence has been recognized.
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Example:
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chosen {
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linux,sysrq-reset-seq {
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keyset = <0x03
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0x04
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0x0a>;
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timeout-ms = <3000>;
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};
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};
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Would represent KEY_2, KEY_3 and KEY_9.
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