Input: Support set power/wakeup node of device
power/wakeup attribute allows the userspace to check
if the device is enabled to wake up the kernel from
sleep states. Devices support "wakeup" events can send
hardware signal to resume systems.
This change follows kernel doc:
"In that cases the user space can change the setting
represented by the contents of this file by writing
either "enabled", or "disabled" to it."
DD: go/configure-al-kernel-wake
Bug: 372812925
Test: atest inputflinger_tests
Test: Plug in USB mouse with the set of changes:
power/wakeup of mouse becomes enabled and it can wake
up from "echo mem > /sys/power/state".
Flag: com.android.input.flags.set_input_device_kernel_wake
Change-Id: I188c34cc645e9582d35a00a267653a0ca9c1da6e
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index dffd8e3..4336945 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -396,6 +396,13 @@
/* Sysfs node changed. Reopen the Eventhub device if any new Peripheral like Light, Battery,
* etc. is detected. */
virtual void sysfsNodeChanged(const std::string& sysfsNodePath) = 0;
+
+ /* Set whether the given input device can wake up the kernel from sleep
+ * when it generates input events. By default, usually only internal (built-in)
+ * input devices can wake the kernel from sleep. For an external input device
+ * that supports remote wakeup to be able to wake the kernel, this must be called
+ * after each time the device is connected/added. */
+ virtual bool setKernelWakeEnabled(int32_t deviceId, bool enabled) = 0;
};
template <std::size_t BITS>
@@ -603,6 +610,8 @@
void sysfsNodeChanged(const std::string& sysfsNodePath) override final;
+ bool setKernelWakeEnabled(int32_t deviceId, bool enabled) override final;
+
~EventHub() override;
private: