[alsa-devel] [PATCH] audio: sgtl5000: Add MicBias resistor support in DT

Fabio Estevam festevam at gmail.com
Sun Oct 12 23:15:32 CEST 2014


On Sun, Oct 12, 2014 at 3:39 PM, Jean-Michel Hautbois
<jean-michel.hautbois at vodalys.com> wrote:

> +       if (np) {
> +               if (!of_property_read_u32(np,
> +                       "sgtl5000-micbias-resistor", &value)) {
> +                       switch (value) {
> +                       case 1:
> +                               sgtl5000->micbias_resistor =
> +                                       SGTL5000_MICBIAS_2K;
> +                               break;
> +                       case 2:
> +                               sgtl5000->micbias_resistor =
> +                                       SGTL5000_MICBIAS_4K;
> +                               break;
> +                       case 3:
> +                               sgtl5000->micbias_resistor =
> +                                       SGTL5000_MICBIAS_8K;
> +                               break;
> +                       default:
> +                               sgtl5000->micbias_resistor =
> +                                       SGTL5000_MICBIAS_OFF;
> +                               dev_err(&client->dev,
> +                                       "Unsuitable MicBias resistor\n");

The case 0 should SGTL5000_MICBIAS_OFF and the default should be
SGTL5000_MICBIAS_4K.


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