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From:   Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
To:     <broonie@kernel.org>, <alsa-devel@alsa-project.org>
CC:     <Vijendar.Mukunda@amd.com>, <Basavaraj.Hiregoudar@amd.com>,
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        "Venkata Prasad Potturu" <venkataprasad.potturu@amd.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
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        Takashi Iwai <tiwai@suse.com>,
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        Marian Postevca <posteuca@mutex.one>,
        Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
        "open list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <linux-sound@vger.kernel.org>,
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Subject: [PATCH 7/7] ASoC: amd: acp: Set bclk as source to set pll for rt5682s codec
Date:   Wed, 6 Dec 2023 16:36:18 +0530
Message-ID: <20231206110620.1695591-7-venkataprasad.potturu@amd.com>
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Some platforms doesn't have reference mclk pin to codec,
so set bclk as a clk source for rt5682s codec pll in tdm mode.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
---
 sound/soc/amd/acp/acp-mach-common.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
index b72beb8e9b13..74e83c2dae53 100644
--- a/sound/soc/amd/acp/acp-mach-common.c
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -464,6 +464,22 @@ static int acp_card_rt5682s_hw_params(struct snd_pcm_substream *substream,
 		return ret;
 	}
 
+	if (drvdata->tdm_mode) {
+		ret = snd_soc_dai_set_pll(codec_dai, RT5682S_PLL1, RT5682S_PLL_S_BCLK1,
+					  6144000, 49152000);
+		if (ret < 0) {
+			dev_err(rtd->dev, "Failed to set codec PLL: %d\n", ret);
+			return ret;
+		}
+
+		ret = snd_soc_dai_set_sysclk(codec_dai, RT5682S_SCLK_S_PLL1,
+					     49152000, SND_SOC_CLOCK_IN);
+		if (ret < 0) {
+			dev_err(rtd->dev, "Failed to set codec SYSCLK: %d\n", ret);
+			return ret;
+		}
+	}
+
 	/* Set tdm/i2s1 master bclk ratio */
 	ret = snd_soc_dai_set_bclk_ratio(codec_dai, ch * format);
 	if (ret < 0) {
-- 
2.25.1