From: Ricardo Rivera-Matos rriveram@opensource.cirrus.com
[ Upstream commit c3c8b088949b9ccb88da2f84d3c3cc06580a6a43 ]
Use the SYSTEM_SLEEP_PM_OPS handlers to prevent handling an IRQ when the system is in the middle of suspending or resuming.
Signed-off-by: Ricardo Rivera-Matos rriveram@opensource.cirrus.com Acked-by: Charles Keepax ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20231206160318.1255034-3-rriveram@opensource.cirru... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/cs35l45.c | 43 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+)
diff --git a/sound/soc/codecs/cs35l45.c b/sound/soc/codecs/cs35l45.c index b1d0f2c8f2cad..310747b7689d3 100644 --- a/sound/soc/codecs/cs35l45.c +++ b/sound/soc/codecs/cs35l45.c @@ -854,6 +854,46 @@ static int cs35l45_runtime_resume(struct device *dev) return ret; }
+static int cs35l45_sys_suspend(struct device *dev) +{ + struct cs35l45_private *cs35l45 = dev_get_drvdata(dev); + + dev_dbg(cs35l45->dev, "System suspend, disabling IRQ\n"); + disable_irq(cs35l45->irq); + + return 0; +} + +static int cs35l45_sys_suspend_noirq(struct device *dev) +{ + struct cs35l45_private *cs35l45 = dev_get_drvdata(dev); + + dev_dbg(cs35l45->dev, "Late system suspend, reenabling IRQ\n"); + enable_irq(cs35l45->irq); + + return 0; +} + +static int cs35l45_sys_resume_noirq(struct device *dev) +{ + struct cs35l45_private *cs35l45 = dev_get_drvdata(dev); + + dev_dbg(cs35l45->dev, "Early system resume, disabling IRQ\n"); + disable_irq(cs35l45->irq); + + return 0; +} + +static int cs35l45_sys_resume(struct device *dev) +{ + struct cs35l45_private *cs35l45 = dev_get_drvdata(dev); + + dev_dbg(cs35l45->dev, "System resume, reenabling IRQ\n"); + enable_irq(cs35l45->irq); + + return 0; +} + static int cs35l45_apply_property_config(struct cs35l45_private *cs35l45) { struct device_node *node = cs35l45->dev->of_node; @@ -1291,6 +1331,9 @@ EXPORT_SYMBOL_NS_GPL(cs35l45_remove, SND_SOC_CS35L45);
EXPORT_GPL_DEV_PM_OPS(cs35l45_pm_ops) = { RUNTIME_PM_OPS(cs35l45_runtime_suspend, cs35l45_runtime_resume, NULL) + + SYSTEM_SLEEP_PM_OPS(cs35l45_sys_suspend, cs35l45_sys_resume) + NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l45_sys_suspend_noirq, cs35l45_sys_resume_noirq) };
MODULE_DESCRIPTION("ASoC CS35L45 driver");