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 <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>

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index fbffec2ab2372d7dd22b6a55ecd3b06012327fa9..a85b0cf7371a30dca86acfd513863ac5acb7051e 100644 (file)
--- 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) {