Enable support of pm_runtime on STM32 I2S driver to allow
I2S power state monitoring.
Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx>
---
sound/soc/stm/stm32_i2s.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
index 6254bacad6eb..68c5de040df8 100644
--- a/sound/soc/stm/stm32_i2s.c
+++ b/sound/soc/stm/stm32_i2s.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include <linux/spinlock.h>
@@ -1113,6 +1114,7 @@ static int stm32_i2s_remove(struct platform_device *pdev)
{
snd_dmaengine_pcm_unregister(&pdev->dev);
snd_soc_unregister_component(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
return 0;
}
@@ -1150,6 +1152,8 @@ static int stm32_i2s_probe(struct platform_device *pdev)
return PTR_ERR(i2s->regmap);
}
+ pm_runtime_enable(&pdev->dev);
+
ret = snd_dmaengine_pcm_register(&pdev->dev, &stm32_i2s_pcm_config, 0);
if (ret) {
if (ret != -EPROBE_DEFER)
--
2.17.1
