552f2d7edd
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> Signed-off-by: Mark Brown <broonie@kernel.org>