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From:   Vijendar Mukunda <Vijendar.Mukunda@amd.com>
To:     <broonie@kernel.org>, <alsa-devel@alsa-project.org>
CC:     <Alexander.Deucher@amd.com>, <Sunil-kumar.Dommati@amd.com>,
        <krisman@collabora.com>, <wtli@nuvoton.com>,
        Vijendar Mukunda <Vijendar.Mukunda@amd.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        "Jaroslav Kysela" <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
        open list <linux-kernel@vger.kernel.org>
Subject: [PATCH 4/9] ASoC: amd: vg: update platform clock control sequence
Date:   Wed, 23 Feb 2022 12:49:33 +0530
Message-ID: <20220223071959.13539-4-Vijendar.Mukunda@amd.com>
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Add pre power on widget event.
Based on this event update platform clock control sequence.

This will fix Codec clock and pll restoration issue during
system level resume.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
 sound/soc/amd/vangogh/acp5x-mach.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/sound/soc/amd/vangogh/acp5x-mach.c b/sound/soc/amd/vangogh/acp5x-mach.c
index 14cf325e4b23..e610616d796c 100644
--- a/sound/soc/amd/vangogh/acp5x-mach.c
+++ b/sound/soc/amd/vangogh/acp5x-mach.c
@@ -33,6 +33,8 @@
 #define DUAL_CHANNEL		2
 #define ACP5X_NUVOTON_CODEC_DAI	"nau8821-hifi"
 #define VG_JUPITER 1
+#define ACP5X_NUVOTON_BCLK 3072000
+#define ACP5X_NAU8821_FREQ_OUT 12288000
 
 static unsigned long acp5x_machine_id;
 static struct snd_soc_jack vg_headset;
@@ -274,6 +276,15 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
 			dev_err(card->dev, "set sysclk err = %d\n", ret);
 			return -EIO;
 		}
+	} else {
+		ret = snd_soc_dai_set_sysclk(codec_dai, NAU8821_CLK_FLL_BLK, 0,
+					     SND_SOC_CLOCK_IN);
+		if (ret < 0)
+			dev_err(codec_dai->dev, "can't set BLK clock %d\n", ret);
+		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, ACP5X_NUVOTON_BCLK,
+					  ACP5X_NAU8821_FREQ_OUT);
+		if (ret < 0)
+			dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
 	}
 	return ret;
 }
@@ -289,7 +300,7 @@ static const struct snd_soc_dapm_widget acp5x_8821_widgets[] = {
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_MIC("Int Mic", NULL),
 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
-			    platform_clock_control, SND_SOC_DAPM_POST_PMD),
+			    platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 };
 
 static const struct snd_soc_dapm_route acp5x_8821_audio_route[] = {
-- 
2.17.1