Re: [PATCH v2] iio: exynos-adc: add experimental touchscreen support

Heiko Stübner
2014-07-27T21:50:51Z

Am Sonntag, 27. Juli 2014, 23:10:21 schrieb Hartmut Knaack:
> Arnd Bergmann schrieb:
> > @@ -205,6 +217,9 @@ static void exynos_adc_v1_init_hw(struct exynos_adc
> > *info)>
> > /* Enable 12-bit ADC resolution */
> > con1 |= ADC_V1_CON_RES;
> > writel(con1, ADC_V1_CON(info->regs));
> >
> > +
> > + /* set default touchscreen delay */
>
> Any information about how many µs/ms it is actually set with this value?

"ADC conversion is delayed by counting this value. Counting clock is pclk."
So, I guess here 10000 pclk ticks.

Heiko

>
> > + writel(10000, ADC_V1_DLY(info->regs));
> >
> > }
> >