Support system suspend by enforcing runtime PM suspend/resume.
Now there is no doubt that h/w is indeed stopped during suspend
and that h/w state will be properly restored after resume.

Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
 sound/soc/tegra/tegra20_spdif.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index 8b9bac30d5cd..89f7fc5c8aad 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -345,6 +345,8 @@ static int tegra20_spdif_platform_probe(struct 
platform_device *pdev)
 static const struct dev_pm_ops tegra20_spdif_pm_ops = {
        SET_RUNTIME_PM_OPS(tegra20_spdif_runtime_suspend,
                           tegra20_spdif_runtime_resume, NULL)
+       SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+                               pm_runtime_force_resume)
 };
 
 static const struct of_device_id tegra20_spdif_of_match[] = {
-- 
2.33.1

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