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Message-ID: <20211119104752.13564-3-olivier.moysan@foss.st.com>
Date: Fri, 19 Nov 2021 11:47:51 +0100
From: Olivier Moysan <olivier.moysan@...s.st.com>
To: Alexandre Torgue <alexandre.torgue@...s.st.com>,
Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>,
Jaroslav Kysela <perex@...ex.cz>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Olivier Moysan <olivier.moysan@...s.st.com>,
Takashi Iwai <tiwai@...e.com>
CC: <alsa-devel@...a-project.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH v2 2/3] ASoC: stm32: dfsdm: add pm_runtime support for audio
Enable support of pm_runtime on STM32 DFSDM audio driver
to allow power state monitoring.
Signed-off-by: Olivier Moysan <olivier.moysan@...s.st.com>
---
sound/soc/stm/stm32_adfsdm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c
index e6078f50e508..6ee714542b84 100644
--- a/sound/soc/stm/stm32_adfsdm.c
+++ b/sound/soc/stm/stm32_adfsdm.c
@@ -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;
}
--
2.17.1
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