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[4/4] ASoC: Intel: Skylake: power down all link in suspend

Message ID 1444377711-9720-5-git-send-email-vinod.koul@intel.com (mailing list archive)
State Accepted
Commit 01bb84b5001e4a6221582b163b34e90b3095f451
Headers show

Commit Message

Vinod Koul Oct. 9, 2015, 8:01 a.m. UTC 
From: Jeeja KP <jeeja.kp@intel.com>

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>
---
 sound/soc/intel/skylake/skl.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index ca135b8ab5c0..5319529aedf7 100644
--- 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;