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[6/6] ALSA: hda: Explicitly permit using autosuspend if runtime PM is supported

Message ID 20200413082034.25166-7-tiwai@suse.de (mailing list archive)
State New, archived
Headers show
Series ALSA: hda: Fix/improve no-codec bus | expand

Commit Message

Takashi Iwai April 13, 2020, 8:20 a.m. UTC 
From: Roy Spliet <nouveau@spliet.org>

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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 02c6308502b1..8519051a426e 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2354,8 +2354,10 @@  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) {