diff mbox series

[v2,1/3] ASoC: stm32: i2s: add pm_runtime support

Message ID 20211119104752.13564-2-olivier.moysan@foss.st.com (mailing list archive)
State Accepted
Commit 32a956a1fadfd7d3924ab8ada2b7754054375903
Headers show
Series ASoC: stm32: add pm runtime support | expand

Commit Message

Olivier MOYSAN Nov. 19, 2021, 10:47 a.m. UTC 
Enable support of pm_runtime on STM32 I2S driver to allow
I2S power state monitoring.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
---
 sound/soc/stm/stm32_i2s.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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)