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ASoC: stm32: add pm runtime support

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Merge series from Olivier Moysan <olivier.moysan@foss.st.com>:

	Enable support of pm runtime on STM32 SPDIFRX, I2S and DFSDM drivers
	to allow power state monitoring.
This commit is contained in:
Mark Brown 2021-11-22 23:56:02 +00:00
commit 6d86bdb391
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GPG key ID: 24D68B725D5487D0
3 changed files with 12 additions and 1 deletions
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5
sound/soc/stm/stm32_adfsdm.c
View file

@ -12,7 +12,7 @@
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
#include <linux/iio/iio.h>
#include <linux/iio/consumer.h>
#include <linux/iio/adc/stm32-dfsdm-adc.h>
@ -334,6 +334,8 @@ static int stm32_adfsdm_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, priv);
pm_runtime_enable(&pdev->dev);
ret = devm_snd_soc_register_component(&pdev->dev,
&stm32_adfsdm_dai_component,
&priv->dai_drv, 1);
@ -373,6 +375,7 @@ static int stm32_adfsdm_probe(struct platform_device *pdev)
static int stm32_adfsdm_remove(struct platform_device *pdev)
{
snd_soc_unregister_component(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
}

4
sound/soc/stm/stm32_i2s.c
View file

@ -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)

4
sound/soc/stm/stm32_spdifrx.c
View file

@ -12,6 +12,7 @@
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset.h>
@ -955,6 +956,7 @@ static int stm32_spdifrx_remove(struct platform_device *pdev)
snd_dmaengine_pcm_unregister(&pdev->dev);
snd_soc_unregister_component(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
}
@ -1010,6 +1012,8 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)
udelay(2);
reset_control_deassert(rst);
pm_runtime_enable(&pdev->dev);
pcm_config = &stm32_spdifrx_pcm_config;
ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config, 0);
if (ret) {