From: Sameer Pujar <spujar@nvidia.com>
Date: Tue, 22 Jan 2019 07:33:21 +0000 (+0530)
Subject: ALSA: hda/tegra: add driver flag for runtime PM
X-Git-Tag: v5.15~6526^2~118
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9935d55b02906dec1b0795873cc4a1a7bb55b8f1;p=platform%2Fkernel%2Flinux-starfive.git

ALSA: hda/tegra: add driver flag for runtime PM

AZX_DCAPS_PM_RUNTIME flag is added to indicate support for runtime PM.
azx_has_pm_runtime() is used to check if above is enabled and thus
forbid runtime PM calls if needed.

Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: Ravindra Lokhande <rlokhande@nvidia.com>
Reviewed-by: Mohan Kumar D <mkumard@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index a7fd4c6..c8d18dc 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -520,7 +520,8 @@ MODULE_DEVICE_TABLE(of, hda_tegra_match);
 
 static int hda_tegra_probe(struct platform_device *pdev)
 {
-	const unsigned int driver_flags = AZX_DCAPS_CORBRP_SELF_CLEAR;
+	const unsigned int driver_flags = AZX_DCAPS_CORBRP_SELF_CLEAR |
+					  AZX_DCAPS_PM_RUNTIME;
 	struct snd_card *card;
 	struct azx *chip;
 	struct hda_tegra *hda;