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path: root/0003-es8316.patch
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diff --git a/sound/soc/codecs/es8316.c b/../pop-os-linux/sound/soc/codecs/es8316.c
index 056c3082f..acf21ef59 100644
--- a/sound/soc/codecs/es8316.c
+++ b/../pop-os-linux/sound/soc/codecs/es8316.c
@@ -26,10 +26,11 @@
 /* In slave mode at single speed, the codec is documented as accepting 5
  * MCLK/LRCK ratios, but we also add ratio 400, which is commonly used on
  * Intel Cherry Trail platforms (19.2MHz MCLK, 48kHz LRCK).
+ * Ratio 1000 is needed for at least one SKU where MCLK is 48Mhz.
  */
-#define NR_SUPPORTED_MCLK_LRCK_RATIOS 6
+#define NR_SUPPORTED_MCLK_LRCK_RATIOS 7
 static const unsigned int supported_mclk_lrck_ratios[] = {
-	256, 384, 400, 512, 768, 1024
+	256, 384, 400, 512, 768, 1000, 1024
 };
 
 struct es8316_priv {
@@ -465,6 +466,8 @@ static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
 	u8 bclk_divider;
 	u16 lrck_divider;
 	int i;
+	bool mclk_div_option = false;
+	unsigned int mclk_div = 1;
 
 	/* Validate supported sample rates that are autodetected from MCLK */
 	for (i = 0; i < NR_SUPPORTED_MCLK_LRCK_RATIOS; i++) {
@@ -477,7 +480,17 @@ static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
 	}
 	if (i == NR_SUPPORTED_MCLK_LRCK_RATIOS)
 		return -EINVAL;
-	lrck_divider = es8316->sysclk / params_rate(params);
+
+	mclk_div_option = device_property_read_bool(component->dev,
+						    "everest,mclk-div-by-2");
+	if (mclk_div_option) {
+		snd_soc_component_update_bits(component, ES8316_CLKMGR_CLKSW,
+					      ES8316_CLKMGR_CLKSW_MCLK_DIV,
+					      ES8316_CLKMGR_CLKSW_MCLK_DIV);
+		mclk_div = 2;
+	}
+
+	lrck_divider = es8316->sysclk / params_rate(params) / mclk_div;
 	bclk_divider = lrck_divider / 4;
 	switch (params_format(params)) {
 	case SNDRV_PCM_FORMAT_S16_LE:
@@ -520,7 +533,7 @@ static int es8316_mute(struct snd_soc_dai *dai, int mute, int direction)
 }
 
 #define ES8316_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
-			SNDRV_PCM_FMTBIT_S24_LE)
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 
 static const struct snd_soc_dai_ops es8316_ops = {
 	.startup = es8316_pcm_startup,
diff --git a/sound/soc/codecs/es8316.h b/../pop-os-linux/sound/soc/codecs/es8316.h
index c335138e2..0ff16f948 100644
--- a/sound/soc/codecs/es8316.h
+++ b/../pop-os-linux/sound/soc/codecs/es8316.h
@@ -129,4 +129,7 @@
 #define ES8316_GPIO_FLAG_GM_NOT_SHORTED		0x02
 #define ES8316_GPIO_FLAG_HP_NOT_INSERTED	0x04
 
+/* ES8316_CLKMGR_CLKSW */
+#define ES8316_CLKMGR_CLKSW_MCLK_DIV	0x80
+
 #endif