linux-kernel - [PATCH 02/10] ASoC: mediatek: mt8192-mt6359: Make i2s9 share the clock from i2s8

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Message-Id: <20220908161154.648557-3-nfraprado@collabora.com>
Date:   Thu,  8 Sep 2022 12:11:46 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Mark Brown <broonie@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>, Akihiko Odaki <akihiko.odaki@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Jiaxin Yu <jiaxin.yu@...iatek.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Miaoqian Lin <linmq006@...il.com>,
        Takashi Iwai <tiwai@...e.com>,
        Tzung-Bi Shih <tzungbi@...gle.com>,
        alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH 02/10] ASoC: mediatek: mt8192-mt6359: Make i2s9 share the clock from i2s8

Both i2s8 and i2s9 are connected to the rt5682 codec and should share
the same clock to work in a full-duplex manner. Set the clock sharing
during the initialization for rt5682.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
---

 sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c b/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c
index d0f9d66627b1..044d6ab71f0a 100644
--- a/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c
+++ b/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c
@@ -311,12 +311,21 @@ static int mt8192_mt6359_init(struct snd_soc_pcm_runtime *rtd)
 
 static int mt8192_rt5682_init(struct snd_soc_pcm_runtime *rtd)
 {
+	struct snd_soc_component *cmpnt_afe =
+		snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt_afe);
 	struct snd_soc_component *cmpnt_codec =
 		asoc_rtd_to_codec(rtd, 0)->component;
 	struct mt8192_mt6359_priv *priv = snd_soc_card_get_drvdata(rtd->card);
 	struct snd_soc_jack *jack = &priv->headset_jack;
 	int ret;
 
+	ret = mt8192_dai_i2s_set_share(afe, "I2S8", "I2S9");
+	if (ret) {
+		dev_err(rtd->dev, "Failed to set up shared clocks\n");
+		return ret;
+	}
+
 	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
 				    SND_JACK_HEADSET | SND_JACK_BTN_0 |
 				    SND_JACK_BTN_1 | SND_JACK_BTN_2 |
-- 
2.37.3