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ASoC: cs42l43: Add system suspend ops to disable IRQ

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The IRQ should be disabled whilst entering and exiting system suspend to
avoid the IRQ handler being called whilst the PM runtime is disabled.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240206113850.719888-2-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax
2024-02-06 11:38:50 +00:00
committed by Mark Brown
parent d172205747
commit 64353af49f
1 changed files with 41 additions and 2 deletions
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43
sound/soc/codecs/cs42l43.c
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@ -2336,8 +2336,47 @@ static int cs42l43_codec_runtime_resume(struct device *dev)
return 0;
}
static DEFINE_RUNTIME_DEV_PM_OPS(cs42l43_codec_pm_ops, NULL,
cs42l43_codec_runtime_resume, NULL);
static int cs42l43_codec_suspend(struct device *dev)
{
struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
disable_irq(cs42l43->irq);
return 0;
}
static int cs42l43_codec_suspend_noirq(struct device *dev)
{
struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
enable_irq(cs42l43->irq);
return 0;
}
static int cs42l43_codec_resume(struct device *dev)
{
struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
enable_irq(cs42l43->irq);
return 0;
}
static int cs42l43_codec_resume_noirq(struct device *dev)
{
struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
disable_irq(cs42l43->irq);
return 0;
}
static const struct dev_pm_ops cs42l43_codec_pm_ops = {
SYSTEM_SLEEP_PM_OPS(cs42l43_codec_suspend, cs42l43_codec_resume)
NOIRQ_SYSTEM_SLEEP_PM_OPS(cs42l43_codec_suspend_noirq, cs42l43_codec_resume_noirq)
RUNTIME_PM_OPS(NULL, cs42l43_codec_runtime_resume, NULL)
};
static const struct platform_device_id cs42l43_codec_id_table[] = {
{ "cs42l43-codec", },