[PATCH 1/6] ASoC: es8328: Enabling support for 12Mhz sysclk

[Chris Morgan]

From: Chris Morgan <macromorgan at hotmail.com>

Enable support for 12Mhz sysclk on es8328. This sysclk value is used on
the Indiedroid Nova rk3588s based single board computer.

Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
Signed-off-by: Chris Zhong <zyw at rock-chips.com>
---
 sound/soc/codecs/es8328.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
index 160adc706cc6..3918be5fc3f1 100644
--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -36,6 +36,16 @@ static const struct snd_pcm_hw_constraint_list constraints_12288 = {
 	.list	= rates_12288,
 };
 
+static unsigned int ratios_12000[] = {
+	8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000,
+	48000, 88235, 96000,
+};
+
+static struct snd_pcm_hw_constraint_list constraints_12000 = {
+	.count = ARRAY_SIZE(ratios_12000),
+	.list = ratios_12000,
+};
+
 static const unsigned int rates_11289[] = {
 	8018, 11025, 22050, 44100, 88200,
 };
@@ -577,6 +587,13 @@ static int es8328_set_sysclk(struct snd_soc_dai *codec_dai,
 		es8328->sysclk_constraints = &constraints_12288;
 		es8328->mclk_ratios = ratios_12288;
 		break;
+	case 24000000:
+		mclkdiv2 = 1;
+		fallthrough;
+	case 12000000:
+		es8328->sysclk_constraints = &constraints_12000;
+		es8328->mclk_ratios = ratios_12000;
+		break;
 	default:
 		return -EINVAL;
 	}
-- 
2.34.1