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

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Date:   Thu, 17 Feb 2022 22:05:07 +0800
From:   Jiaxin Yu <jiaxin.yu@...iatek.com>
To:     Mark Brown <broonie@...nel.org>
CC:     <lgirdwood@...il.com>, <tiwai@...e.com>, <robh+dt@...nel.org>,
        <matthias.bgg@...il.com>, <perex@...ex.cz>,
        <p.zabel@...gutronix.de>, <geert+renesas@...der.be>,
        <trevor.wu@...iatek.com>, <tzungbi@...gle.com>,
        <zhangqilong3@...wei.com>, <alsa-devel@...a-project.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 05/15] ASoC: mediatek: mt8186: support hw gain in
 platform driver

On Fri, 2022-02-11 at 15:15 +0000, Mark Brown wrote:
> 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.
Yes, I have corrected the control names in the other patches together.

> 
> > +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.

Ok, I see.