[alsa-devel] [PATCH 2/2] dt: binding: sound cs42l52 driver
broonie at kernel.org
Mon Nov 11 12:34:15 CET 2013
On Mon, Nov 11, 2013 at 10:16:22AM +0000, Mark Rutland wrote:
> On Thu, Nov 07, 2013 at 08:22:17PM +0000, Brian Austin wrote:
> > + - chgfreq : Charge Pump Frequency values 0x00-0x0F
> In general, longer but more easily understood names are preferred (e.g.
> "clock-frequency"). This could be "charge-pump-frequency".
I rather suspect that this is the name of the register that gets the raw
value specified written to it - using the register name seems reasonable
> > + - micbias_lvl: Set the output voltage level on the MICBIAS Pin
> > + 0x00 = 0.5 x VA
> > + 0x01 = 0.6 x VA
> > + 0x02 = 0.7 x VA
> > + 0x03 = 0.8 x VA
> > + 0x04 = 0.83 x VA
> > + 0x05 = 0.91 x VA
> Is this not something we'd want to change at runtime instead? Why does
> this need to be in the dt?
This is something that would come from the electrical design of the
system rather than something that users would tune at runtime.
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