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>

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index dd38f5feb7c03e8c7ead8543ed868c6da0b6ae72..80a5f6456acaecad4ea6e1e4c2f1f08eac25b99d 100644 (file)
--- a/sound/soc/intel/skylake/skl.c
+++ b/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);
        }