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ASoC: stm32: i2s: add pm_runtime support 

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>
Link: https://lore.kernel.org/r/20211119104752.13564-2-olivier.moysan@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Olivier Moysan 2021-11-19 11:47:50 +01:00 committed by Mark Brown
parent 626a3dfbdb
commit 32a956a1fa
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 0 deletions
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4
sound/soc/stm/stm32_i2s.c
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@ -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)