On Tue, Feb 04, 2020 at 11:04:06AM +0800, Tzung-Bi Shih wrote: > Some machine may share the same I2S lines for multiple codecs. For > example, mediatek/mt8183/mt8183-da7219-max98357 shares the same lines > between max98357a and da7219. When writing audio data through the I2S > lines, all codecs on the lines would try to generate sound if they > accepts DO line. As a result, multiple codecs generate sound at a > time. Rather than adding this in the driver it would be better to add some _PIN_SWITCH() widgets to the speaker outputs, those exist for essentially this purpose. > + max98357a->spk_switch = ucontrol->value.integer.value[0]; > + dev_info(component->dev, > + "put speaker switch: %d\n", max98357a->spk_switch); These _info() prints are too noisy.
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