On Wed, Jan 28, 2015 at 11:51:04AM +0100, Tomeu Vizoso wrote: > To be used by userspace when the headphones jack is plugged in. > static const struct snd_kcontrol_new tegra_max98090_controls[] = { > + SOC_DAPM_PIN_SWITCH("Headphones"), > SOC_DAPM_PIN_SWITCH("Speakers"), > }; Why is userspace doing this? If this is supposed to be associated with the jack detection I'd expect us to be doing this in kernel.