ASoC: Intel: Skylake: manage link power in active suspend

When device enters active suspend, we should turn off the links
as they are not in use. Similarly we need to bring back links
when we exit active suspend.

Signed-off-by: Jayachandran B <jayachandran.b@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl.c

@@ -224,6 +224,7 @@ static int skl_suspend(struct device *dev)
 	 * running, we need to save the state for these and continue
 	 */
 	if (skl->supend_active) {
+		snd_hdac_ext_bus_link_power_down_all(ebus);
 		pci_save_state(pci);
 		pci_disable_device(pci);
 		return 0;
@@ -246,6 +247,7 @@ static int skl_resume(struct device *dev)
 	if (skl->supend_active) {
 		pci_restore_state(pci);
 		ret = pci_enable_device(pci);
+		snd_hdac_ext_bus_link_power_up_all(ebus);
 	} else {
 		ret = _skl_resume(ebus);
 	}