When the routing path between a widget (e.g. "Speaker") and the codec goes through an external amplifier, having a pin switch for this widget allows the amplifier to be disabled when the widget is not to be used (e.g. when using headphones).
Signed-off-by: Paul Cercueil paul@crapouillou.net --- sound/soc/generic/simple-card.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 34de32efc4c4..d34adb1518e7 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -556,6 +556,10 @@ static int simple_parse_of(struct simple_priv *priv) if (ret < 0) return ret;
+ ret = asoc_simple_card_of_parse_pin_switches(card, PREFIX); + if (ret < 0) + return ret; + /* Single/Muti DAI link(s) & New style of DT node */ memset(&li, 0, sizeof(li)); for (li.cpu = 1; li.cpu >= 0; li.cpu--) {