[PATCH 1/4] ASoC: SOF: OF: Add shutdown callback for SOF OF device

[Pierre-Louis Bossart]

From: YC Hung <yc.hung at mediatek.com>

Add shutdown callback function for SOF OF device and call
snd_sof_device_shutdown in sof_of_shutdown callback for DSP
shutdown sequence.

Signed-off-by: YC Hung <yc.hung at mediatek.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi at linux.intel.com>
---
 sound/soc/sof/sof-of-dev.c | 6 ++++++
 sound/soc/sof/sof-of-dev.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/sound/soc/sof/sof-of-dev.c b/sound/soc/sof/sof-of-dev.c
index e3718638f9ce..18c0f3cd0993 100644
--- a/sound/soc/sof/sof-of-dev.c
+++ b/sound/soc/sof/sof-of-dev.c
@@ -95,4 +95,10 @@ int sof_of_remove(struct platform_device *pdev)
 }
 EXPORT_SYMBOL(sof_of_remove);
 
+void sof_of_shutdown(struct platform_device *pdev)
+{
+	snd_sof_device_shutdown(&pdev->dev);
+}
+EXPORT_SYMBOL(sof_of_shutdown);
+
 MODULE_LICENSE("Dual BSD/GPL");
diff --git a/sound/soc/sof/sof-of-dev.h b/sound/soc/sof/sof-of-dev.h
index 4e0f6588dad9..fd950a222ba4 100644
--- a/sound/soc/sof/sof-of-dev.h
+++ b/sound/soc/sof/sof-of-dev.h
@@ -13,5 +13,6 @@ extern const struct dev_pm_ops sof_of_pm;
 
 int sof_of_probe(struct platform_device *pdev);
 int sof_of_remove(struct platform_device *pdev);
+void sof_of_shutdown(struct platform_device *pdev);
 
 #endif
-- 
2.30.2