On Mon, Mar 10, 2014 at 12:09:38PM +0000, Mark Rutland wrote: > On Mon, Mar 10, 2014 at 08:52:21AM +0000, Jyri Sarha wrote: > > + 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V > > + 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V > > + 3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD > > + If this node is not mentioned or if the value is unknown, then > > + micbias is set to 2.0V. > Why does the dts write need to select these -- what prevents this > getting selected dynamically? It's a property of the system integration - the board will be designed to bias the microphone at some voltage.
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