From c127918db23dbaeaa356071cd92d2ace05977671 Mon Sep 17 00:00:00 2001
From: Humberto Silva Naves <hsnaves@gmail.com>
Date: Sun, 13 Jul 2014 04:59:26 +0200
Subject: [PATCH] ASoC: exynos: Issues with the EPLL clock in daisy_max98095.

---
 sound/soc/samsung/daisy_max98095.c | 40 ++++++++++++++++++++++++------
 1 file changed, 32 insertions(+), 8 deletions(-)

diff --git a/sound/soc/samsung/daisy_max98095.c b/sound/soc/samsung/daisy_max98095.c
index b15b9fd65324..2ad7ab36b0ed 100644
--- a/sound/soc/samsung/daisy_max98095.c
+++ b/sound/soc/samsung/daisy_max98095.c
@@ -54,7 +54,7 @@
 static int set_audio_clock_hierarchy(struct platform_device *pdev)
 {
 	struct clk *fout_epll, *sclk_epll, *mout_audio0, *sclk_audio0;
-	struct clk *mout_audss, *mout_i2s;
+	struct clk *mout_audss, *mout_i2s, *dout_srp, *dout_bus;
 	int ret = 0;
 
 	fout_epll = clk_get(&pdev->dev, "fout_epll");
@@ -101,6 +101,22 @@ static int set_audio_clock_hierarchy(struct platform_device *pdev)
 		goto out5;
 	}
 
+	dout_srp = clk_get(&pdev->dev, "dout_srp");
+	if (IS_ERR(dout_srp)) {
+		printk(KERN_WARNING
+			"%s: Cannot find dout_srp clocks.\n", __func__);
+		ret = -EINVAL;
+		goto out6;
+	}
+
+	dout_bus = clk_get(&pdev->dev, "dout_bus");
+	if (IS_ERR(dout_bus)) {
+		printk(KERN_WARNING
+			"%s: Cannot find dout_bus clocks.\n", __func__);
+		ret = -EINVAL;
+		goto out7;
+	}
+
 	/*
 	 * fout_epll may have been initialized to operate at a frequency higher
 	 * than the audio block's maximum (192Mhz on 5250, 200Mhz on 5420),
@@ -112,29 +128,29 @@ static int set_audio_clock_hierarchy(struct platform_device *pdev)
 	ret = clk_set_rate(fout_epll, DEFAULT_EPLL_RATE);
 	if (ret < 0) {
 		printk(KERN_WARNING "Failed to set epll rate.\n");
-		goto out6;
+		goto out8;
 	}
 
 	/* Set audio clock hierarchy for S/PDIF */
 	ret = clk_set_parent(sclk_epll, fout_epll);
 	if (ret < 0) {
 		printk(KERN_WARNING "Failed to set parent of epll.\n");
-		goto out6;
+		goto out8;
 	}
 	ret = clk_set_parent(mout_audio0, sclk_epll);
 	if (ret < 0) {
 		printk(KERN_WARNING "Failed to set parent of mout audio0.\n");
-		goto out6;
+		goto out8;
 	}
 	ret = clk_set_parent(mout_audss, fout_epll);
 	if (ret < 0) {
 		printk(KERN_WARNING "Failed to set parent of audss.\n");
-		goto out6;
+		goto out8;
 	}
 	ret = clk_set_parent(mout_i2s, sclk_audio0);
 	if (ret < 0) {
 		printk(KERN_WARNING "Failed to set parent of mout i2s.\n");
-		goto out6;
+		goto out8;
 	}
 
 	/* Ensure that the divider between mout_audio0 and sclk_audio0 is 1. */
@@ -143,6 +159,14 @@ static int set_audio_clock_hierarchy(struct platform_device *pdev)
 		printk(KERN_WARNING "Failed to set audio bus rate (%d).\n",
 			ret);
 
+	clk_set_rate(dout_srp, DEFAULT_EPLL_RATE / 2);
+	clk_set_rate(dout_bus, DEFAULT_EPLL_RATE / 4);
+	clk_set_rate(fout_epll, 200000000);
+
+out8:
+	clk_put(dout_bus);
+out7:
+	clk_put(dout_srp);
 out6:
 	clk_put(mout_i2s);
 out5:
@@ -174,11 +198,11 @@ static int set_epll_rate(struct device *card_dev, unsigned long rate)
 	if (rate == clk_get_rate(fout_epll))
 		goto out;
 
-	ret = clk_set_rate(fout_epll, rate);
+	/* ret = clk_set_rate(fout_epll, rate);
 	if (ret < 0) {
 		printk(KERN_ERR "failed to clk_set_rate of fout_epll for audio\n");
 		goto out;
-	}
+	} */
 out:
 	clk_put(fout_epll);