linux-kernel - [PATCH 3.16.y-ckt 010/129] ASoC: rt5677: add register patch for PLL

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Message-Id: <1432285114-9254-11-git-send-email-luis.henriques@canonical.com>
Date:	Fri, 22 May 2015 09:56:35 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Bard Liao <bardliao@...ltek.com>, Mark Brown <broonie@...nel.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 010/129] ASoC: rt5677: add register patch for PLL

3.16.7-ckt12 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bard Liao <bardliao@...ltek.com>

commit 74d6ea52aeef0236242221c6eff6d892565c5a92 upstream.

The PLL output will be unstable in some cases. We can fix it by
setting some registers.

Signed-off-by: Bard Liao <bardliao@...ltek.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 sound/soc/codecs/rt5677.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 833231e27340..d48b484ce47e 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -56,6 +56,9 @@ static const struct reg_default init_list[] = {
 	{RT5677_PR_BASE + 0x1e, 0x0000},
 	{RT5677_PR_BASE + 0x12, 0x0eaa},
 	{RT5677_PR_BASE + 0x14, 0x018a},
+	{RT5677_PR_BASE + 0x15,	0x0490},
+	{RT5677_PR_BASE + 0x38,	0x0f71},
+	{RT5677_PR_BASE + 0x39,	0x0f71},
 };
 #define RT5677_INIT_REG_LEN ARRAY_SIZE(init_list)
 
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