From: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Date: Thu, 25 Aug 2016 10:39:32 +0000 (+0100)
Subject: ASoC: arizona: Wait for resume before enabling FLL
X-Git-Tag: v4.14-rc1~2251^2~4^2~16^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=63d19e0693668de5ce46b5f0f948645bf43b546b;p=platform%2Fkernel%2Flinux-rpi.git

ASoC: arizona: Wait for resume before enabling FLL

When enabling an FLL use pm_runtime_get_sync() instead of
pm_runtime_get() to ensure that all the register settings
have been written out and the codec is powered-up before
we write the enable bit.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 0fc3b4b6..ccb3ca2 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -2268,7 +2268,7 @@ static int arizona_enable_fll(struct arizona_fll *fll)
 					 ARIZONA_FLL1_SYNC_BW);
 
 	if (!already_enabled)
-		pm_runtime_get(arizona->dev);
+		pm_runtime_get_sync(arizona->dev);
 
 	regmap_update_bits_async(arizona->regmap, fll->base + 1,
 				 ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);