From 46b0e97dcfdbb179b9992b6aec3eabb6095d8745 Mon Sep 17 00:00:00 2001 From: Liam Girdwood Date: Fri, 16 May 2014 16:55:21 +0300 Subject: [PATCH] ASoC: max98090: Reset codec on resume Make sure we reset codec and clear any IRQs on resume. This matches the init sequence in probe. Signed-off-by: Liam Girdwood Signed-off-by: Jarkko Nikula Signed-off-by: Mark Brown --- 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 be86094817eb..2888f632564a 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[] = { -- 2.30.2