The patch helps save power by control MICBIAS. The headset's MICBIAS should be disabled without button requirement.
Signed-off-by: Seven Lee wtli@nuvoton.com --- sound/soc/codecs/nau8821.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/soc/codecs/nau8821.c b/sound/soc/codecs/nau8821.c index f307374834b5..6e1b6b26298a 100644 --- a/sound/soc/codecs/nau8821.c +++ b/sound/soc/codecs/nau8821.c @@ -1136,6 +1136,9 @@ static void nau8821_jdet_work(struct work_struct *work) NAU8821_R12_INTERRUPT_DIS_CTRL, NAU8821_IRQ_KEY_RELEASE_DIS | NAU8821_IRQ_KEY_PRESS_DIS, 0); + } else { + snd_soc_component_disable_pin(component, "MICBIAS"); + snd_soc_dapm_sync(nau8821->dapm); } } else { dev_dbg(nau8821->dev, "Headphone connected\n");