ASoC: Intel: Skylake: power down all link in suspend

This ensures that the link is not requesting any clock and the
PLL can turn off. The link is powered when controller is brought
out of reset.

Signed-off-by: Jeeja KP <jeeja.kp@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 ca135b8ab5c022f0f4ec8f93aa5d84ca5d0ae6d7..5319529aedf7ae5030dbf47ce9b6056512f05c2d 100644 (file)
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -173,6 +173,9 @@ static int skl_runtime_suspend(struct device *dev)
 
        /* enable controller wake up event */
        snd_hdac_chip_updatew(bus, WAKEEN, 0, STATESTS_INT_MASK);
+
+       snd_hdac_ext_bus_link_power_down_all(ebus);
+
        ret = skl_suspend_dsp(skl);
        if (ret < 0)
                return ret;