Re: [PATCH v3 2/9] iio: adc: add the ti-ads1262 driver

[Jonathan Cameron]

On Mon, 17 Aug 2026 11:22:23 +0300
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx> wrote:

> On Sun, Aug 16, 2026 at 10:30:29PM +0100, Jonathan Cameron wrote:
> > On Fri, 07 Aug 2026 22:58:24 -0500
> > Kurt Borja <kuurtb@xxxxxxxxx> wrote:  
> 
> ...
> 
> > > +static const struct reg_default ads1262_reg_defaults[] = {
> > > +	{ ADS1262_INTERFACE_REG,
> > > +	  FIELD_PREP_CONST(ADS1262_INTERFACE_STATUS_MASK, true) |
> > > +	  FIELD_PREP_CONST(ADS1262_INTERFACE_CRC_MASK, true) },
> > > +	{ ADS1262_MODE0_REG,		0x00 },
> > > +	{ ADS1262_MODE1_REG,
> > > +	  FIELD_PREP_CONST(ADS1262_MODE1_FILTER_MASK, ADS1262_FILTER_FIR) },
> > > +	{ ADS1262_MODE2_REG,
> > > +	  FIELD_PREP_CONST(ADS1262_MODE2_DR_MASK, ADS1262_DR_20_SPS) },
> > > +	{ ADS1262_INPMUX_REG,
> > > +	  FIELD_PREP_CONST(ADS1262_INPMUX_MUXN_MASK, ADS1262_INPMUX_AIN1) },
> > > +	{ ADS1262_IDACMUX_REG,
> > > +	  FIELD_PREP_CONST(ADS1262_IDACMUX_MUX2_MASK, ADS1262_IDACMUX_NO_CONN) |
> > > +	  FIELD_PREP_CONST(ADS1262_IDACMUX_MUX1_MASK, ADS1262_IDACMUX_NO_CONN) },
> > > +	{ ADS1262_IDACMAG_REG,		0x00 },
> > > +	{ ADS1262_REFMUX_REG,		0x00 },
> > > +	{ ADS1262_TDACP_REG,		0x00 },
> > > +	{ ADS1262_TDACN_REG,		0x00 },
> > > +	{ ADS1262_GPIOCON_REG,		0x00 },
> > > +	{ ADS1262_GPIODIR_REG,		0x00 },
> > > +	{ ADS1262_ADC2CFG_REG,		0x00 },
> > > +	{ ADS1262_ADC2MUX_REG,
> > > +	  FIELD_PREP_CONST(ADS1262_ADC2MUX_MUXN2_MASK, ADS1262_INPMUX_AIN1) },
> > > +};  
> > I'm not particularly keen on this formatting from a readability point of view.
> > Maybe using named intializers would help:
> > 
> > static const struct reg_default ads1262_reg_defaults[] = {
> > 	{ 
> > 		.reg = ADS1262_INTERFACE_REG,
> > 		.def = FIELD_PREP_CONST(ADS1262_INTERFACE_STATUS_MASK, true) |
> > 		       FIELD_PREP_CONST(ADS1262_INTERFACE_CRC_MASK, true),  
> 
> And looking at this, this has not to be booleans! Please, use proper integers
> instead (I think 1 is what you wanted).

Gah - I didn't noticed that at all!

Good spot.

> 
> > //extra indent fine here for readability reasons if we end up with some long lines
> > 	},
> > 	{ .reg = ADS1262_MODE0_REG, .def = 0x00 },
> > etc or just maybe use the more open form of the first element for all of them.
> > burns a bunch of lines, but is easy to read.   
>