From: Liam Girdwood liam.r.girdwood@linux.intel.com
Make sure we reset codec and clear any IRQs on resume. This matches the init sequence in probe.
Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com Signed-off-by: Jarkko Nikula jarkko.nikula@linux.intel.com --- sound/soc/codecs/max98090.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c index 4accf9ba447e..b3f447cc050c 100644 --- a/sound/soc/codecs/max98090.c +++ b/sound/soc/codecs/max98090.c @@ -2392,9 +2392,32 @@ static int max98090_runtime_suspend(struct device *dev) } #endif
+#ifdef CONFIG_PM +static int max98090_resume(struct device *dev) +{ + struct max98090_priv *max98090 = dev_get_drvdata(dev); + unsigned int status; + + max98090_reset(max98090); + + /* clear IRQ status */ + regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status); + + regcache_sync(max98090->regmap); + + return 0; +} + +static int max98090_suspend(struct device *dev) +{ + return 0; +} +#endif + static const struct dev_pm_ops max98090_pm = { SET_RUNTIME_PM_OPS(max98090_runtime_suspend, max98090_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(max98090_suspend, max98090_resume) };
static const struct i2c_device_id max98090_i2c_id[] = {