linux-kernel - Re: [PATCH v2 2/5] ASoC: samsung: i2s: add support for FSD I2S

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Message-ID: <Y7RvUlIuXQLUHEna@sirena.org.uk>
Date:   Tue, 3 Jan 2023 18:09:22 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Padmanabhan Rajanbabu <p.rajanbabu@...sung.com>
Cc:     lgirdwood@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, s.nawrocki@...sung.com,
        perex@...ex.cz, tiwai@...e.com, pankaj.dubey@...sung.com,
        alim.akhtar@...sung.com, rcsekar@...sung.com,
        aswani.reddy@...sung.com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v2 2/5] ASoC: samsung: i2s: add support for FSD I2S

On Tue, Jan 03, 2023 at 10:26:10AM +0530, Padmanabhan Rajanbabu wrote:

> +void fsd_i2s_fixup_early(struct snd_pcm_substream *substream,
> +		struct snd_soc_dai *dai)
> +{
> +	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
> +	struct i2s_dai *i2s = to_info(asoc_rtd_to_cpu(rtd, 0));
> +	struct i2s_dai *other = get_other_dai(i2s);
> +
> +	if (!is_opened(other)) {
> +		i2s_set_sysclk(dai, SAMSUNG_I2S_CDCLK, 192, SND_SOC_CLOCK_OUT);
> +		i2s_set_sysclk(dai, SAMSUNG_I2S_OPCLK, 0, MOD_OPCLK_PCLK);
> +	}
> +}

This looks like we're just hard coding to 192kHz?

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