On Mon, Nov 2, 2020 at 2:24 PM Ajye Huang <ajye.hu...@gmail.com> wrote: > > In addition, having mixer control to switch between DMICs by > using "dmic-gpios" property. > > Refer to this one as an example, > commit b7a742cff3f6 ("ASoC: AMD: Use mixer control to switch between DMICs") > > Signed-off-by: Ajye Huang <ajye_hu...@compal.corp-partner.google.com>
I am not sure if it would be better if you use another email (e.g. @gmail) for signoff. > +static int dmic_get(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_dapm_context *dapm = > snd_soc_dapm_kcontrol_dapm(kcontrol); > + struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card); > + > + if (data) You don't need to check for NULL. If snd_soc_card_get_drvdata() returns NULL, it shouldn't run into here. See other snd_soc_card_get_drvdata() calls in the file. > +static int dmic_set(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_dapm_context *dapm = > snd_soc_dapm_kcontrol_dapm(kcontrol); > + struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card); > + > + if (data) { Ditto. > + if (IS_ERR(data->dmic_sel)) { > + dev_err(&pdev->dev, "DMIC gpio failed err=%d\n", > + PTR_ERR(data->dmic_sel)); > + return PTR_ERR(data->dmic_sel); Remove 1 level indent.