[PATCH 05/15] ASoC: mediatek: mt8186: support hw gain in platform driver

Mark Brown broonie at kernel.org
Fri Feb 11 16:15:13 CET 2022


On Fri, Feb 11, 2022 at 06:38:08PM +0800, Jiaxin Yu wrote:

Again, mostly looks good just some minor issues (I've not repeated some
that applied to the prior code):

> +static const struct snd_kcontrol_new mtk_hw_gain2_in_ch1_mix[] = {
> +	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN15,
> +				    I_ADDA_UL_CH1, 1, 0),
> +};

These end up as regular user visible controls so should have standard
control names - in this case ending in Switch since it's a simple
on/off.  A similar issue was there in the earlier patches.

> +static const struct snd_kcontrol_new mtk_hw_gain_controls[] = {
> +	SOC_SINGLE("HW Gain 1", AFE_GAIN1_CON1,
> +		   GAIN1_TARGET_SFT, GAIN1_TARGET_MASK, 0),
> +	SOC_SINGLE("HW Gain 2", AFE_GAIN2_CON1,
> +		   GAIN2_TARGET_SFT, GAIN2_TARGET_MASK, 0),

These should have standard names like "HW 1 Volume" so userspace has a
better idea how to display them.
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