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platform/x86: surfacepro3: Support for wakeup from suspend-to-idle

Modify surface_button_notify() to make it wake up the system fromsuspend-to-idle (by reporting "hard" wakeup events while suspended)and add wakeup initialization to surface_button_add() for wakeupevents reported by this driver to work at all.Link:https://bugzilla.kernel.org/show_bug.cgi?id=198389Reported-by: Valentin Manea <valy@mrs.ro>Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>Tested-by: Valentin Manea <valy@mrs.ro>

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drivers/platform/x86
- surfacepro3_button.c

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`‎drivers/platform/x86/surfacepro3_button.c‎`

Lines changed: 3 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -119,7 +119,7 @@ static void surface_button_notify(struct acpi_device *device, u32 event)`
`119`	`119`	`if (key_code==KEY_RESERVED)`
`120`	`120`	`return;`
`121`	`121`	`if (pressed)`
`122`		`-pm_wakeup_event(&device->dev,0);`
	`122`	`+pm_wakeup_dev_event(&device->dev,0,button->suspended);`
`123`	`123`	`if (button->suspended)`
`124`	`124`	`return;`
`125`	`125`	`input_report_key(input,key_code,pressed?1:0);`
`@@ -185,6 +185,8 @@ static int surface_button_add(struct acpi_device *device)`
`185`	`185`	`error=input_register_device(input);`
`186`	`186`	`if (error)`
`187`	`187`	`gotoerr_free_input;`
	`188`	`+`
	`189`	`+device_init_wakeup(&device->dev, true);`
`188`	`190`	`dev_info(&device->dev,`
`189`	`191`	`"%s [%s]\n",name,acpi_device_bid(device));`
`190`	`192`	`return0;`

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Commit19351f3

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`‎drivers/platform/x86/surfacepro3_button.c‎`

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