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Add support to set autosuspend delay via hwdb

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This commit is contained in:
Mario Limonciello 2022-05-09 20:16:22 -05:00
parent 31090c17f4
commit fa9a43a690
3 changed files with 9 additions and 0 deletions
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4
hwdb.d/60-autosuspend.hwdb
View File

@ -24,8 +24,12 @@
#
# Allowed properties are:
# ID_AUTOSUSPEND=1
# ID_AUTOSUSPEND_DELAY_MS=####
# ID_PERSIST=0
#
# ID_AUTOSUSPEND_DELAY_MS adjusts the delay for autosuspend to something
# different than the kernel default of 2000ms.
#
# ID_PERSIST=0 allows disabling the kernels USB "persist" feature, which allows
# the continued use of devices after a power loss (due to suspend). Disable it
# if the device will loose state without a USB power session and the driver

1
hwdb.d/parse_hwdb.py
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@ -135,6 +135,7 @@ def property_grammar():
('MOUSE_WHEEL_CLICK_COUNT', INTEGER),
('MOUSE_WHEEL_CLICK_COUNT_HORIZONTAL', INTEGER),
('ID_AUTOSUSPEND', Or((Literal('0'), Literal('1')))),
('ID_AUTOSUSPEND_DELAY_MS', INTEGER),
('ID_AV_PRODUCTION_CONTROLLER', Or((Literal('0'), Literal('1')))),
('ID_PERSIST', Or((Literal('0'), Literal('1')))),
('ID_PDA', Or((Literal('0'), Literal('1')))),

4
rules.d/60-autosuspend.rules
View File

@ -15,4 +15,8 @@ ENV{ID_AUTOSUSPEND}=="1", TEST=="power/control", \
ENV{ID_PERSIST}=="0", TEST=="power/persist", \
ATTR{power/persist}="0"
# Set up an autosuspend delay if hwdb say so
ENV{ID_AUTOSUSPEND_DELAY_MS}!="", TEST=="power/control", \
ATTR{power/autosuspend_delay_ms}="$env{ID_AUTOSUSPEND_DELAY_MS}"
LABEL="autosuspend_end"