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(+)
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index a2eddd8945fe..5afe47f5884a 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -216,6 +216,7 @@ 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 @@ -223,6 +224,7 @@ 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; @@ -236,6 +238,7 @@ 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;
/* @@ -246,6 +249,7 @@ 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); }