linux-kernel - [PATCH v5 09/11] ASoC: tegra20: spdif: Support system suspend

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Message-Id: <20211217175606.22645-10-digetx@gmail.com>
Date:   Fri, 17 Dec 2021 20:56:04 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Agneli <poczt@...tonmail.ch>
Cc:     linux-tegra@...r.kernel.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v5 09/11] ASoC: tegra20: spdif: Support system suspend

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.

Acked-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Dmitry Osipenko <digetx@...il.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 bc45a0a8afab..a4aa5614aef4 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