linux-kernel - Re: [PATCH 2/2] ASoC: fsl_spdif: Add support for i.MX8QM platform

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Date:   Fri, 16 Oct 2020 18:23:26 -0700
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, lgirdwood@...il.com,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ASoC: fsl_spdif: Add support for i.MX8QM platform

On Thu, Oct 15, 2020 at 01:28:48PM +0800, Shengjiu Wang wrote:
> On i.MX8QM, there are separate interrupts for TX and RX.
> 
> As the EDMA can't be configured to swing back to first FIFO
> after writing the second FIFO, so we need to force the burst
> size to be 2 on i.MX8QM. And EDMA don't support to shift
> the data from S24_LE to S16_LE, so the supported TX format
> is also different on i.MX8QM.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>

One small nit, yet I am okay if you don't resend. So:

Acked-by: Nicolin Chen <nicoleotsuka@...il.com>

>  /* Check if clk is a root clock that does not share clock source with others */
> @@ -1283,6 +1313,8 @@ static int fsl_spdif_probe(struct platform_device *pdev)
>  	/* Initialize this copy of the CPU DAI driver structure */
>  	memcpy(&spdif_priv->cpu_dai_drv, &fsl_spdif_dai, sizeof(fsl_spdif_dai));
>  	spdif_priv->cpu_dai_drv.name = dev_name(&pdev->dev);
> +	spdif_priv->cpu_dai_drv.playback.formats =
> +				spdif_priv->soc->tx_formats;

Kernel no longer has strict 80-character limit now, and it seems
to fits 80 characters?