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[v4,09/13] ASoC: Intel: Skylake: manage link power in active suspend

Message ID 1450431729-27259-10-git-send-email-vinod.koul@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vinod Koul Dec. 18, 2015, 9:42 a.m. UTC 
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>
---
 sound/soc/intel/skylake/skl.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 85d47cedd125..5987509507ba 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -223,6 +223,7 @@  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;
@@ -245,6 +246,7 @@  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);
 	}