linux-kernel - Re: [PATCH v2 2/5] ASoC: sun4i-spdif: Add support for H6 SoC

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Message-ID: <20190503145435.jziomr3sqxp6jbpd@flea>
Date:   Fri, 3 May 2019 16:54:35 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Clément Péron <peron.clem@...il.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH v2 2/5] ASoC: sun4i-spdif: Add support for H6 SoC

On Thu, May 02, 2019 at 11:39:24AM +0200, Clément Péron wrote:
> > > @@ -169,16 +181,25 @@ struct sun4i_spdif_dev {
> > >       struct snd_soc_dai_driver cpu_dai_drv;
> > >       struct regmap *regmap;
> > >       struct snd_dmaengine_dai_dma_data dma_params_tx;
> > > +     const struct sun4i_spdif_quirks *quirks;
> >
> > I guess this will generate a warning since the structure hasn't been
> > defined yet?
>
> It's a pointer to a structure so no warning from the compiler.

Damn, I was convinced just declaring a pointer to a structure would
result to a gcc warning. Nevermind then.

> > > @@ -405,22 +426,26 @@ static struct snd_soc_dai_driver sun4i_spdif_dai = {
> > >       .name = "spdif",
> > >  };
> > >
> > > -struct sun4i_spdif_quirks {
> > > -     unsigned int reg_dac_txdata;    /* TX FIFO offset for DMA config */
> > > -     bool has_reset;
> > > -};
> > > -
> > >  static const struct sun4i_spdif_quirks sun4i_a10_spdif_quirks = {
> > >       .reg_dac_txdata = SUN4I_SPDIF_TXFIFO,
> > > +     .reg_fctl_ftx   = SUN4I_SPDIF_FCTL_FTX,
> > >  };
> > >
> > >  static const struct sun4i_spdif_quirks sun6i_a31_spdif_quirks = {
> > >       .reg_dac_txdata = SUN4I_SPDIF_TXFIFO,
> > > +     .reg_fctl_ftx   = SUN4I_SPDIF_FCTL_FTX,
> > >       .has_reset      = true,
> > >  };
> > >
> > >  static const struct sun4i_spdif_quirks sun8i_h3_spdif_quirks = {
> > >       .reg_dac_txdata = SUN8I_SPDIF_TXFIFO,
> > > +     .reg_fctl_ftx   = SUN4I_SPDIF_FCTL_FTX,
> > > +     .has_reset      = true,
> > > +};
> > >
> > > +static const struct sun4i_spdif_quirks sun50i_h6_spdif_quirks = {
> > > +     .reg_dac_txdata = SUN8I_SPDIF_TXFIFO,
> > > +     .reg_fctl_ftx   = SUN50I_H6_SPDIF_FCTL_FTX,
> > >       .has_reset      = true,
> >
> > The reg_dac_txdata and reg_fctl_ftx changes here should also be part
> > of a separate patch.
>
> You mean the reg_fctl_ftx quirk and the H6 introduction should be split ?

Yep

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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