From: Shuming Fan shumingf@realtek.com

This patch handles the regmap settings and re-detects the jack when the system level suspend/resume.

Signed-off-by: Shuming Fan shumingf@realtek.com --- sound/soc/codecs/rt5645.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index b0953e9bcaf9..5be5ec0260e9 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -4199,11 +4199,44 @@ static void rt5645_i2c_shutdown(struct i2c_client *i2c) regmap_write(rt5645->regmap, RT5645_RESET, 0); }

+static int __maybe_unused rt5645_sys_suspend(struct device *dev) +{ + struct rt5645_priv *rt5645 = dev_get_drvdata(dev); + + del_timer_sync(&rt5645->btn_check_timer); + cancel_delayed_work_sync(&rt5645->jack_detect_work); + cancel_delayed_work_sync(&rt5645->rcclock_work); + + regcache_cache_only(rt5645->regmap, true); + regcache_mark_dirty(rt5645->regmap); + return 0; +} + +static int __maybe_unused rt5645_sys_resume(struct device *dev) +{ + struct rt5645_priv *rt5645 = dev_get_drvdata(dev); + + regcache_cache_only(rt5645->regmap, false); + regcache_sync(rt5645->regmap); + + if (rt5645->hp_jack) { + rt5645->jack_type = 0; + queue_delayed_work(system_power_efficient_wq, + &rt5645->jack_detect_work, msecs_to_jiffies(0)); + } + return 0; +} + +static const struct dev_pm_ops rt5645_pm = { + SET_SYSTEM_SLEEP_PM_OPS(rt5645_sys_suspend, rt5645_sys_resume) +}; + static struct i2c_driver rt5645_i2c_driver = { .driver = { .name = "rt5645", .of_match_table = of_match_ptr(rt5645_of_match), .acpi_match_table = ACPI_PTR(rt5645_acpi_match), + .pm = &rt5645_pm, }, .probe = rt5645_i2c_probe, .remove = rt5645_i2c_remove,