From: Roy Spliet nouveau@spliet.org
[ Upstream commit 3ba21113bd33d49f3c300a23fc08cf114c434995 ]
This fixes runtime PM not working after a suspend-to-RAM cycle at least for the codec-less HDA device found on NVIDIA GPUs.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207043 Signed-off-by: Roy Spliet nouveau@spliet.org Link: https://lore.kernel.org/r/20200413082034.25166-7-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/pci/hda/hda_intel.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index fbffec2ab2372..a85b0cf7371a3 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2303,8 +2303,10 @@ static int azx_probe_continue(struct azx *chip)
set_default_power_save(chip);
- if (azx_has_pm_runtime(chip)) + if (azx_has_pm_runtime(chip)) { + pm_runtime_use_autosuspend(&pci->dev); pm_runtime_put_autosuspend(&pci->dev); + }
out_free: if (err < 0) {