From: Xiaoming Sui <xiaoming.sui@amlogic.com>
Date: Mon, 15 Apr 2019 12:38:47 +0000 (+0800)
Subject: avsync: spdif: fix the avsync for ms12 [1/4]
X-Git-Tag: hardkernel-4.9.236-104~1372
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=349448751688332d06986aed766e2d51045739ed;p=platform%2Fkernel%2Flinux-amlogic.git

avsync: spdif: fix the avsync for ms12 [1/4]

PD#SWPL-5837

Problem:
dtv is out of avsync when dolby ms12 certificate

Solution:
when the audio is played, recalculate the apts to sync
pcrsrc when pcrmaster.

Verify:
X301

Change-Id: I199383aa1c0de1b4f0ec646d9d066910b3bb2b42
Signed-off-by: Xiaoming Sui <xiaoming.sui@amlogic.com>
---

diff --git a/sound/soc/amlogic/auge/spdif.c b/sound/soc/amlogic/auge/spdif.c
index 3a51ab0..520c982 100644
--- a/sound/soc/amlogic/auge/spdif.c
+++ b/sound/soc/amlogic/auge/spdif.c
@@ -338,19 +338,35 @@ static int spdif_clk_set(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol);
 	struct aml_spdif *p_spdif = snd_soc_dai_get_drvdata(cpu_dai);
+	unsigned int mpll_freq = 0;
+	int ret;
 
 	int sysclk = p_spdif->sysclk_freq;
 	int value = ucontrol->value.enumerated.item[0];
-
 	if (value > 2000000 || value < 0) {
 		pr_err("Fine spdif sysclk setting range(0~2000000), %d\n",
 				value);
 		return 0;
 	}
-	sysclk += (value - 1000000);
-
-	aml_dai_set_spdif_sysclk(cpu_dai, 0, sysclk, 0);
-
+	value = value - 1000000;
+	sysclk += value;
+	/* pr_info("spdif_set %d to %d,diff %d\n",
+	 * p_spdif->sysclk_freq,sysclk,value);
+	 */
+	mpll_freq = sysclk * 4;
+	p_spdif->sysclk_freq = sysclk;
+	clk_set_rate(p_spdif->sysclk, mpll_freq);
+	clk_set_rate(p_spdif->clk_spdifout, p_spdif->sysclk_freq);
+	ret = clk_prepare_enable(p_spdif->sysclk);
+	if (ret) {
+		pr_err("Can't enable pcm sysclk clock: %d\n", ret);
+		return 0;
+	}
+	ret = clk_prepare_enable(p_spdif->clk_spdifout);
+	if (ret) {
+		pr_err("Can't enable clk_spdifout clock: %d\n", ret);
+		return 0;
+	}
 	return 0;
 }