Some platforms, e.g. WSB, don't need jack detection when system is in Suspend, for power save reason.
Here add jack detection enable/disable APIs and export them, when disabled, it will ignore interrupt, and disable LDO1, which is used for jack detection when headphone is plugged in.
Signed-off-by: Jie Yang yang.jie@intel.com Reviewed-by: Bard Liao bardliao@realtek.com --- sound/soc/codecs/rt286.c | 29 +++++++++++++++++++++++++++++ sound/soc/codecs/rt286.h | 2 ++ 2 files changed, 31 insertions(+)
diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index d5cc1bc..1a0c250f 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -402,6 +402,33 @@ int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack) } EXPORT_SYMBOL_GPL(rt286_mic_detect);
+int rt286_enable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack) +{ + struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); + + if (!jack) + return -EINVAL; + rt286->jack = jack; + if (jack->status | SND_JACK_HEADPHONE) + snd_soc_dapm_force_enable_pin(&rt286->codec->dapm, "LDO1"); + snd_soc_dapm_sync(&rt286->codec->dapm); + return 0; +} +EXPORT_SYMBOL_GPL(rt286_enable_jack_detection); + +int rt286_disable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack) +{ + struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); + + if (!jack) + return -EINVAL; + rt286->jack = NULL; + snd_soc_dapm_disable_pin(&rt286->codec->dapm, "LDO1"); + snd_soc_dapm_sync(&rt286->codec->dapm); + return 0; +} +EXPORT_SYMBOL_GPL(rt286_disable_jack_detection); + static int is_mclk_mode(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { @@ -1012,6 +1039,8 @@ static irqreturn_t rt286_irq(int irq, void *data) bool mic = false; int status = 0;
+ if (!rt286->jack) + return IRQ_HANDLED; rt286_jack_detect(rt286, &hp, &mic);
/* Clear IRQ */ diff --git a/sound/soc/codecs/rt286.h b/sound/soc/codecs/rt286.h index 7130edb..d793185 100644 --- a/sound/soc/codecs/rt286.h +++ b/sound/soc/codecs/rt286.h @@ -200,6 +200,8 @@ enum { };
int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack); +int rt286_enable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack); +int rt286_disable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack);
#endif /* __RT286_H__ */