[PATCH V2] rules: Limit USB autosuspend on USB HID devices
Matthew Garrett <[email protected]>
| Newsgroups | gmane.linux.hotplug.devel |
|---|---|
| Message-ID | <[email protected]> |
Some USB ports on external hubs may be reported as "fixed". We only want
to auto-enable this on ports that are internal to the machine, so check
the parent state as well.
---
Sorry, screwed up the label name on the first version.
rules/42-usb-hid-pm.rules | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/rules/42-usb-hid-pm.rules b/rules/42-usb-hid-pm.rules
index d5d5897..9e5f59f 100644
--- a/rules/42-usb-hid-pm.rules
+++ b/rules/42-usb-hid-pm.rules
@@ -46,4 +46,10 @@ ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="04b3", ATTR{idProduct}=="4012
ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="14dd", ATTR{idProduct}="0002", TEST=="power/control", ATTR{power/control}="auto"
# USB HID devices that are internal to the machine should also be safe to autosuspend
+
+ACTION=="add", SUBSYSTEM=="usb", SUBSYSTEMS=="usb", ATTRS{removable}=="removable", GOTO="usb_hid_pm_end"
+ACTION=="add", SUBSYSTEM=="usb", SUBSYSTEMS=="usb", ATTRS{removable}=="unknown", GOTO="usb_hid_pm_end"
+
ACTION=="add", SUBSYSTEM=="usb", ATTR{bInterfaceClass}=="03", ATTRS{removable}=="fixed", TEST=="../power/control", ATTR{../power/control}="auto"
+
+LABEL="usb_hid_pm_end"
\ No newline at end of file
--
1.7.10.2
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