ASoC: cs42l43: Add system suspend ops to disable IRQ

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>

diff --git a/sound/soc/codecs/cs42l43.c b/sound/soc/codecs/cs42l43.c
index 4d2a5584aa5763db3025f75d9688c424eb076f16..a97ccb512deba86305ff433fa5b639fdfbb8dcbe 100644 (file)
--- a/sound/soc/codecs/cs42l43.c
+++ b/sound/soc/codecs/cs42l43.c
@@ -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", },