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-rw-r--r--sound/soc/codecs/nau8825.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index c00b86dd80dc..503a6d8130b7 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -1612,7 +1612,6 @@ static int nau8825_jack_insert(struct nau8825 *nau8825)
snd_soc_dapm_sync(dapm);
break;
case 2:
- case 3:
dev_dbg(nau8825->dev, "CTIA (micgnd2) mic connected\n");
type = SND_JACK_HEADSET;
@@ -1632,6 +1631,11 @@ static int nau8825_jack_insert(struct nau8825 *nau8825)
snd_soc_dapm_force_enable_pin(dapm, "SAR");
snd_soc_dapm_sync(dapm);
break;
+ case 3:
+ /* detect error case */
+ dev_err(nau8825->dev, "detection error; disable mic function\n");
+ type = SND_JACK_HEADPHONE;
+ break;
}
/* Leaving HPOL/R grounded after jack insert by default. They will be
@@ -2328,6 +2332,13 @@ static int nau8825_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_OFF:
+ /* Reset the configuration of jack type for detection */
+ /* Detach 2kOhm Resistors from MICBIAS to MICGND1/2 */
+ regmap_update_bits(nau8825->regmap, NAU8825_REG_MIC_BIAS,
+ NAU8825_MICBIAS_JKSLV | NAU8825_MICBIAS_JKR2, 0);
+ /* ground HPL/HPR, MICGRND1/2 */
+ regmap_update_bits(nau8825->regmap,
+ NAU8825_REG_HSD_CTRL, 0xf, 0xf);
/* Cancel and reset cross talk detection funciton */
nau8825_xtalk_cancel(nau8825);
/* Turn off all interruptions before system shutdown. Keep the
@@ -2351,6 +2362,10 @@ static int __maybe_unused nau8825_suspend(struct snd_soc_codec *codec)
disable_irq(nau8825->irq);
snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
+ /* Power down codec power; don't suppoet button wakeup */
+ snd_soc_dapm_disable_pin(nau8825->dapm, "SAR");
+ snd_soc_dapm_disable_pin(nau8825->dapm, "MICBIAS");
+ snd_soc_dapm_sync(nau8825->dapm);
regcache_cache_only(nau8825->regmap, true);
regcache_mark_dirty(nau8825->regmap);