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[10/14] ASoC: Intel: Skylake: manage link power in active suspend

Message ID 1449816267-11910-11-git-send-email-vinod.koul@intel.com (mailing list archive)
State Accepted
Commit c2e20cd8187cb576362e7c8ecb0b1c51eedb2686
Headers show

Commit Message

Vinod Koul Dec. 11, 2015, 6:44 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(+)
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Patch

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 4696254c6743..99d6e5bf5f4c 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -194,6 +194,7 @@  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;
@@ -216,6 +217,7 @@  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);
 	}