We need to disable jack detection before entering suspend and
enable it after resume.
This was essential as headphone jack widget will always
remain on if a jack is inserted and results in no audio
after system resumes from a suspend.
Signed-off-by: Senthilnathan Veppur <senthilnathanx.veppur@xxxxxxxxx>
Signed-off-by: Bard Liao <bardliao@xxxxxxxxxxx>
---
sound/soc/codecs/rt298.c | 20 ++++++++++++++++++++
sound/soc/codecs/rt298.h | 2 ++
2 files changed, 22 insertions(+)
diff --git a/sound/soc/codecs/rt298.c b/sound/soc/codecs/rt298.c
index d403c20..629b038 100644
--- a/sound/soc/codecs/rt298.c
+++ b/sound/soc/codecs/rt298.c
@@ -1270,6 +1270,26 @@ static int rt298_i2c_remove(struct i2c_client *i2c)
return 0;
}
+void rt298_jack_suspend(struct snd_soc_codec *codec)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_dapm_context *dapm;
+
+ dapm = snd_soc_codec_get_dapm(rt298->codec);
+ snd_soc_dapm_disable_pin(dapm, "LDO1");
+ snd_soc_dapm_sync(dapm);
+}
+EXPORT_SYMBOL_GPL(rt298_jack_suspend);
+
+void rt298_jack_resume(struct snd_soc_codec *codec)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+ bool hp = false;
+ bool mic = false;
+
+ rt298_jack_detect(rt298, &hp, &mic);
+}
+EXPORT_SYMBOL_GPL(rt298_jack_resume);
static struct i2c_driver rt298_i2c_driver = {
.driver = {
diff --git a/sound/soc/codecs/rt298.h b/sound/soc/codecs/rt298.h
index 3638f3d..2de342f 100644
--- a/sound/soc/codecs/rt298.h
+++ b/sound/soc/codecs/rt298.h
@@ -211,6 +211,8 @@ enum {
};
int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack);
+void rt298_jack_suspend(struct snd_soc_codec *codec);
+void rt298_jack_resume(struct snd_soc_codec *codec);
#endif /* __RT298_H__ */
--
1.8.1.1.439.g50a6b54
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