redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ALSA: hda/tegra: Program WAKEEN register for Tegra 

The WAKEEN bits are used to indicate which bits in the
STATESTS register may cause wake event during the codec
state change request. Configure the WAKEEN register for
the Tegra to detect the wake events.

Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
Acked-by: Sameer Pujar <spujar@nvidia.com>
Link: https://lore.kernel.org/r/20200825052415.20626-3-mkumard@nvidia.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
zero-sugar-mainline-defconfig
Mohan Kumar 2020-08-25 10:54:15 +05:30 committed by Takashi Iwai
parent 216116eae4
commit 23d63a31d9
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sound/pci/hda/hda_tegra.c
View File

@ -179,6 +179,10 @@ static int __maybe_unused hda_tegra_runtime_suspend(struct device *dev)
struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip);
if (chip && chip->running) {
/* enable controller wake up event */
azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
STATESTS_INT_MASK);
azx_stop_chip(chip);
azx_enter_link_reset(chip);
}
@ -200,6 +204,9 @@ static int __maybe_unused hda_tegra_runtime_resume(struct device *dev)
if (chip && chip->running) {
hda_tegra_init(hda);
azx_init_chip(chip, 1);
/* disable controller wake up event*/
azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
~STATESTS_INT_MASK);
}
return 0;