From a323f69d00c61125386e96fa61cdea145c37b23c Mon Sep 17 00:00:00 2001 From: Roy Spliet Date: Mon, 13 Apr 2020 10:20:34 +0200 Subject: [PATCH] ALSA: hda: Explicitly permit using autosuspend if runtime PM is supported [ 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 Link: https://lore.kernel.org/r/20200413082034.25166-7-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- 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 fbffec2..a85b0cf 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) { -- 2.7.4