[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20211119104752.13564-2-olivier.moysan@foss.st.com>
Date: Fri, 19 Nov 2021 11:47:50 +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 1/3] 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@...s.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)
--
2.17.1
Powered by blists - more mailing lists