On Fri, Feb 10, 2017 at 02:08:54PM +0800, Chen-Yu Tsai wrote: > One solution that might work is to mute the headphone output > while the amp is being charged, by setting SUN8I_ADDA_HP_VOLC_HP_VOL > to 0, and then restoring the value once it is charged. In other > words, overriding the value for the duration of sun8i_headphone_amp_event. This sounds like you want to make it an _AUTODISABLE control.
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