On Sat, Mar 25, 2023 at 03:21:42PM +0100, Dylan Van Assche wrote: > > mutex_lock(&mbhc->lock); > > + ret = snd_jack_add_new_kctl(mbhc->jack->jack, "Headset Jack", WCD_MBHC_JACK_MASK); > + if (ret) > + dev_warn(component->dev, "failed creating Headset Jack kctl with err: %d\n", ret); > + No, drivers should not be open coding userspace reporting - there is no reason for this device to be special, or for this device to duplicate what machine drivers and the core are doing. Any configuration should be done by the machine driver, the ASoC core jack handling already creates userspace controls when asked.
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