linux-kernel - Re: [PATCH] ASoC: fsl_sai: Correct the clock source for mclk0

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Date:   Wed, 18 Nov 2020 21:01:21 -0800
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Shengjiu Wang <shengjiu.wang@....com>
Cc:     timur@...nel.org, Xiubo.Lee@...il.com, festevam@...il.com,
        broonie@...nel.org, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: fsl_sai: Correct the clock source for mclk0

On Thu, Nov 19, 2020 at 10:29:16AM +0800, Shengjiu Wang wrote:
> On VF610, mclk0 = bus_clk;
> On i.MX6SX/6UL/6ULL/7D, mclk0 = mclk1;
> On i.MX7ULP, mclk0 = bus_clk;
> On i.MX8QM/8QXP, mclk0 = bus_clk;
> On i.MX8MQ/8MN/8MM/8MP, mclk0 = bus_clk;
> 
> So add variable mclk0_mclk1_match in fsl_sai_soc_data To

Not in favor of "mclk0_mclk1_match" as it doesn't sound explicit
to me. Instead, "mclk0_is_bus_clk" or "mclk0_is_mclk1" might be
better. Or in case that you foresee some other implementation:

enum {
	MCLK0_IS_BUS_CLK,
	MCLK0_IS_MCLK1,
};

static const struct fsl_sai_soc_data fsl_sai_vf610_data = {
+	.mclk0_alias = MCLK0_IS_BUS_CLK,
};