| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.6 076/106] ALSA: hda: Explicitly permit using autosuspend if runtime PM is supported | Date | Fri, 1 May 2020 15:23:49 +0200 |
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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 d69005e29975c..4f6d8a4b38452 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2337,8 +2337,10 @@ 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) { -- 2.20.1
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