[alsa-devel] [PATCH v2 3/6] ALSA: hda/tegra: add runtime PM callbacks

[Sameer Pujar]

This patch adds skeleton of runtime suspend and resume callbacks.

Signed-off-by: Sameer Pujar <spujar at nvidia.com>
Reviewed-by: Ravindra Lokhande <rlokhande at nvidia.com>
Reviewed-by: Mohan Kumar D <mkumard at nvidia.com>
---
 sound/pci/hda/hda_tegra.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 28e1656..1189f97 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -265,8 +265,23 @@ static int hda_tegra_resume(struct device *dev)
 }
 #endif /* CONFIG_PM_SLEEP */
 
+#ifdef CONFIG_PM
+static int hda_tegra_runtime_suspend(struct device *dev)
+{
+	return 0;
+}
+
+static int hda_tegra_runtime_resume(struct device *dev)
+{
+	return 0;
+}
+#endif /* CONFIG_PM */
+
 static const struct dev_pm_ops hda_tegra_pm = {
 	SET_SYSTEM_SLEEP_PM_OPS(hda_tegra_suspend, hda_tegra_resume)
+	SET_RUNTIME_PM_OPS(hda_tegra_runtime_suspend,
+			   hda_tegra_runtime_resume,
+			   NULL)
 };
 
 static int hda_tegra_dev_disconnect(struct snd_device *device)
-- 
2.7.4


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