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 --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)