[alsa-devel] [PATCH] sound: soc: fsl: Do not set DAI sysclk when it is equal to system freq

Fabio Estevam festevam at gmail.com
Wed Sep 6 01:20:51 CEST 2017


On Tue, Sep 5, 2017 at 6:13 PM, Łukasz Majewski <lukma at denx.de> wrote:

> &i2c1 {
>         clock-frequency = <400000>;
>         pinctrl-names = "default";
>         pinctrl-0 = <&pinctrl_i2c1>;
>         status = "okay";
>
>         codec: tfa9879 at 6C {
>                 #sound-dai-cells = <0>;
>                 compatible = "tfa9879";

This codec seems to miss device tree support. Don't you need something
like this?

--- a/sound/soc/codecs/tfa9879.c
+++ b/sound/soc/codecs/tfa9879.c
@@ -312,9 +312,15 @@ static const struct i2c_device_id tfa9879_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, tfa9879_i2c_id);

+static const struct of_device_id tfa9879_of_match[] = {
+       { .compatible = "nxp,tfa9879", },
+       { }
+};
+
 static struct i2c_driver tfa9879_i2c_driver = {
        .driver = {
                .name = "tfa9879",
+               .of_match_table = tfa9879_of_match,
        },
        .probe = tfa9879_i2c_probe,
        .remove = tfa9879_i2c_remove,


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