Re: [PATCH v3 3/5] ASoC: dt-bindings: wm8904: Add DMIC, GPIO, MIC and EQ support

From: Rob Herring
Date: Tue Mar 11 2025 - 13:59:43 EST


On Tue, Mar 11, 2025 at 09:42:45AM +0100, Krzysztof Kozlowski wrote:
> On Fri, Mar 07, 2025 at 02:52:42PM +0100, Francesco Dolcini wrote:
> > From: Ernest Van Hoecke <ernest.vanhoecke@xxxxxxxxxxx>
> >
> > Add two properties to select the IN1L/DMICDAT1 and IN2R/DMICDAT2
> > functionality:
> > - wlf,in1l-as-dmicdat1
> > - wlf,in1r-as-dmicdat2
> >
> > Add a property to describe the GPIO configuration registers, that can be
> > used to set the four multifunction pins:
> > - wlf,gpio-cfg
> >
> > Add a property to describe the mic bias control registers:
> > - wlf,mic-cfg
> >
> > Add two properties to describe the Dynamic Range Controller (DRC),
> > allowing multiple named configurations where each config sets the 4 DRC
> > registers (R40-R43):
> > - wlf,drc-cfg-regs
> > - wlf,drc-cfg-names
> >
> > Add three properties to describe the equalizer (ReTune Mobile), allowing
> > multiple named configurations (associated with a samplerate) that set
> > the 24 (R134-R157) EQ registers:
> > - wlf,retune-mobile-cfg-regs
> > - wlf,retune-mobile-cfg-hz
> > - wlf,retune-mobile-cfg-rates


> > + * Config registers per name, respectively:
> > + * KNEE_IP = 0, KNEE_OP = 0, HI_COMP = 1, LO_COMP = 1
> > + * KNEE_IP = -24, KNEE_OP = -6, HI_COMP = 1/4, LO_COMP = 1
> > + * KNEE_IP = -42, KNEE_OP = -3, HI_COMP = 0, LO_COMP = 1
> > + * KNEE_IP = -45, KNEE_OP = -9, HI_COMP = 1/8, LO_COMP = 1
> > + * KNEE_IP = -30, KNEE_OP = -10.5, HI_COMP = 1/4, LO_COMP = 1
> > + */
> > + wlf,drc-cfg-regs = /bits/ 16 <0x01af 0x3248 0x0000 0x0000>,
>
> <number>, <number>, <number> ...
>
> unless you wanted 64-bit?

Why? You would need "/bits/ 16 <number>, /bits/ 16 <number>, ..."

Rob