linux-kernel - [15/70] ASoC: Ensure we delay long enough for WM8994 FLL to lock when starting

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Date:	Mon, 01 Aug 2011 16:18:30 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Subject: [15/70] ASoC: Ensure we delay long enough for WM8994 FLL to lock when starting

2.6.39-stable review patch.  If anyone has any objections, please let us know.

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

From: Mark Brown <broonie@...nsource.wolfsonmicro.com>

commit 8e9ddf811ba021506d2316fcfe619faa0ab3f567 upstream.

This delay is very conservative.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 sound/soc/codecs/wm8994.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1969,6 +1969,8 @@ static int _wm8994_set_fll(struct snd_so
 		snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
 				    WM8994_FLL1_ENA | WM8994_FLL1_FRAC,
 				    reg);
+
+		msleep(5);
 	}
 
 	wm8994->fll[id].in = freq_in;


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