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platform/chrome: cros_ec_lpc: wake up from s2idle on Chrome EC

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Chrome platform installed a Chrome EC notify handler which prevents
default EC GPE handler getting called. Add pm_system_wakeup to the
Chrome EC notify handler so wake up from s2idle can happen.

Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
This commit is contained in:
Wenkai Du 2018-02-22 13:21:17 -08:00 committed by Benson Leung
parent 3eb2ce825e
commit d6542b3916
1 changed files with 4 additions and 0 deletions
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4
drivers/platform/chrome/cros_ec_lpc.c
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@ -31,6 +31,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/suspend.h>
#define DRV_NAME "cros_ec_lpcs"
#define ACPI_DRV_NAME "GOOG0004"
@ -235,6 +236,9 @@ static void cros_ec_lpc_acpi_notify(acpi_handle device, u32 value, void *data)
cros_ec_get_next_event(ec_dev, NULL) > 0)
blocking_notifier_call_chain(&ec_dev->event_notifier, 0,
ec_dev);
if (value == ACPI_NOTIFY_DEVICE_WAKE)
pm_system_wakeup();
}
static int cros_ec_lpc_probe(struct platform_device *pdev)