linux-kernel - [PATCH 4.0 44/72] ASoC: rt5677: add register patch for PLL

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Date:	Mon, 11 May 2015 10:54:50 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Bard Liao <bardliao@...ltek.com>,
	Mark Brown <broonie@...nel.org>
Subject: [PATCH 4.0 44/72] ASoC: rt5677: add register patch for PLL

4.0-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: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/codecs/rt5677.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -62,6 +62,9 @@ static const struct reg_default init_lis
 	{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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