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From fab29ebaa62cfae9f56a7a108b35d17e4d2a16cd Mon Sep 17 00:00:00 2001
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From: Mario Limonciello <superm1@gmail.com>
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Date: Mon, 9 May 2022 20:16:22 -0500
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Subject: [PATCH] Add support to set autosuspend delay via hwdb
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(cherry picked from commit fa9a43a6905187195c9e86a61a906647726c3e55)
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Related: #2087778
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---
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hwdb.d/60-autosuspend.hwdb | 4 ++++
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hwdb.d/parse_hwdb.py | 1 +
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rules.d/60-autosuspend.rules | 4 ++++
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3 files changed, 9 insertions(+)
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diff --git a/hwdb.d/60-autosuspend.hwdb b/hwdb.d/60-autosuspend.hwdb
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index 1b6c1e1c8f..323611d000 100644
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--- a/hwdb.d/60-autosuspend.hwdb
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+++ b/hwdb.d/60-autosuspend.hwdb
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@@ -24,8 +24,12 @@
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#
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# Allowed properties are:
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# ID_AUTOSUSPEND=1
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+# ID_AUTOSUSPEND_DELAY_MS=####
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# ID_PERSIST=0
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#
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+# ID_AUTOSUSPEND_DELAY_MS adjusts the delay for autosuspend to something
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+# different than the kernel default of 2000ms.
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+#
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# ID_PERSIST=0 allows disabling the kernels USB "persist" feature, which allows
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# the continued use of devices after a power loss (due to suspend). Disable it
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# if the device will loose state without a USB power session and the driver
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diff --git a/hwdb.d/parse_hwdb.py b/hwdb.d/parse_hwdb.py
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index 93179b675c..7bad559699 100755
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--- a/hwdb.d/parse_hwdb.py
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+++ b/hwdb.d/parse_hwdb.py
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@@ -135,6 +135,7 @@ def property_grammar():
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('MOUSE_WHEEL_CLICK_COUNT', INTEGER),
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('MOUSE_WHEEL_CLICK_COUNT_HORIZONTAL', INTEGER),
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('ID_AUTOSUSPEND', Or((Literal('0'), Literal('1')))),
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+ ('ID_AUTOSUSPEND_DELAY_MS', INTEGER),
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('ID_AV_PRODUCTION_CONTROLLER', Or((Literal('0'), Literal('1')))),
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('ID_PERSIST', Or((Literal('0'), Literal('1')))),
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('ID_PDA', Or((Literal('0'), Literal('1')))),
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diff --git a/rules.d/60-autosuspend.rules b/rules.d/60-autosuspend.rules
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index 332d052caa..ce31a920ed 100644
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--- a/rules.d/60-autosuspend.rules
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+++ b/rules.d/60-autosuspend.rules
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@@ -15,4 +15,8 @@ ENV{ID_AUTOSUSPEND}=="1", TEST=="power/control", \
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ENV{ID_PERSIST}=="0", TEST=="power/persist", \
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ATTR{power/persist}="0"
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+# Set up an autosuspend delay if hwdb say so
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+ENV{ID_AUTOSUSPEND_DELAY_MS}!="", TEST=="power/control", \
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+ ATTR{power/autosuspend_delay_ms}="$env{ID_AUTOSUSPEND_DELAY_MS}"
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+
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LABEL="autosuspend_end"
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