leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ASoC: Intel: Skylake: Don't enable WAKEENABLE on suspend

Browse Source 
For HDA codecs WAKEENABLE bit is to programmed if codec event
change has to wake the system when suspended.

In skylake I2S systems which are currently supported we have
only HDMI codec, which doesn't use this capability to detect a
HDMI connect/ disconnect event. HDMI HDA codec uses display
interface to detect connect/disconnect event.

This patch removes the WAKEBIT enabling during device D0/D3 as
this seems to cause spurious wakes on the system

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>
This commit is contained in:
Jeeja KP 2015-11-13 19:22:06 +05:30 committed by Mark Brown
parent 28823f1538
commit a71e269728
1 changed files with 0 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sound/soc/intel/skylake/skl.c
View File

@ -191,9 +191,6 @@ static int skl_runtime_suspend(struct device *dev)
dev_dbg(bus->dev, "in %s\n", __func__);
/* enable controller wake up event */
snd_hdac_chip_updatew(bus, WAKEEN, 0, STATESTS_INT_MASK);
return _skl_suspend(ebus);
}
@ -203,17 +200,11 @@ static int skl_runtime_resume(struct device *dev)
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
struct hdac_bus *bus = ebus_to_hbus(ebus);
struct skl *skl = ebus_to_skl(ebus);
int status;
dev_dbg(bus->dev, "in %s\n", __func__);
/* Read STATESTS before controller reset */
status = snd_hdac_chip_readw(bus, STATESTS);
skl_init_pci(skl);
snd_hdac_bus_init_chip(bus, true);
/* disable controller Wake Up event */
snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, 0);
return _skl_resume(ebus);
}