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[11/14] ASoC: Intel: Skylake: enable interrupt as wake source in active suspend

Message ID 1449816267-11910-12-git-send-email-vinod.koul@intel.com (mailing list archive)
State Accepted
Commit 1f4956fd96c98e3fbe9a2818014cf36854398db0
Headers show

Commit Message

Vinod Koul Dec. 11, 2015, 6:44 a.m. UTC 
From: Jeeja KP <jeeja.kp@intel.com>

In active suspend, any HDA interrupt should wake the system. When device
enters active suspend, we need to enable HDA controller interrupt as wake
source. Similarly disable HDA controller interrupt as wake source when
exiting active suspend.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
 sound/soc/intel/skylake/skl.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 99d6e5bf5f4c..245e0ae70dae 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -188,6 +188,7 @@  static int skl_suspend(struct device *dev)
 	struct pci_dev *pci = to_pci_dev(dev);
 	struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
 	struct skl *skl  = ebus_to_skl(ebus);
+	struct hdac_bus *bus = ebus_to_hbus(ebus);
 
 	/*
 	 * Do not suspend if streams which are marked ignore suspend are
@@ -195,6 +196,7 @@  static int skl_suspend(struct device *dev)
 	 */
 	if (skl->supend_active) {
 		snd_hdac_ext_bus_link_power_down_all(ebus);
+		enable_irq_wake(bus->irq);
 		pci_save_state(pci);
 		pci_disable_device(pci);
 		return 0;
@@ -208,6 +210,7 @@  static int skl_resume(struct device *dev)
 	struct pci_dev *pci = to_pci_dev(dev);
 	struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
 	struct skl *skl  = ebus_to_skl(ebus);
+	struct hdac_bus *bus = ebus_to_hbus(ebus);
 	int ret;
 
 	/*
@@ -218,6 +221,7 @@  static int skl_resume(struct device *dev)
 		pci_restore_state(pci);
 		ret = pci_enable_device(pci);
 		snd_hdac_ext_bus_link_power_up_all(ebus);
+		disable_irq_wake(bus->irq);
 	} else {
 		ret = _skl_resume(ebus);
 	}