[alsa-devel] [PATCH 1/8] ASoC: TPA6130A2 amplifier driver
peter.ujfalusi at nokia.com
Thu Oct 8 15:07:50 CEST 2009
On Thursday 08 October 2009 15:30:29 Nurkkala Eero.An (EXT-Offcode/Oulu) wrote:
> On Thu, 2009-10-08 at 13:58 +0200, Valentin Eduardo (Nokia-D/Helsinki)
> > +/*
> > + * TPA6130 volume. From -59.5 to 4 dB with increasing step size when
> > going + * down in gain. Justify scale so that it is quite correct from
> > -20 dB and + * up. This setting shows -30 dB at minimum, -12.95 dB at 49
> > % (actual + * is -10.3 dB) and 4.65 dB at maximum (actual is 4 dB).
> > + */
> The comment is misleading from all it says. For me it seems that the
> scale is quite correct from -59.5 to 4 dB or so. Also the minimum is
> -59.5 dB, not -30.
Yes, the scale is really close to the reality, the comment need to be fixed.
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