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ASoC: arizona: Don't change the FLLn_GAIN before entering FREERUN

Message ID 1472549440-4155-1-git-send-email-ckeepax@opensource.wolfsonmicro.com (mailing list archive)
State Accepted
Commit c9991052aedaa74c69f8198852c65a99caf1adec
Headers show

Commit Message

Charles Keepax Aug. 30, 2016, 9:30 a.m. UTC 
From: Nariman Poushin <nariman@opensource.wolfsonmicro.com>

When reclocking an active FLL, to ensure a clean transition, do
not change the gain setting until we have entered free run.

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/arizona.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index ecfdbfc..0fc3b4b 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -2218,11 +2218,11 @@  static int arizona_enable_fll(struct arizona_fll *fll)
 
 	if (already_enabled) {
 		/* Facilitate smooth refclk across the transition */
-		regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9,
-					 ARIZONA_FLL1_GAIN_MASK, 0);
 		regmap_update_bits(fll->arizona->regmap, fll->base + 1,
 				   ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
 		udelay(32);
+		regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9,
+					 ARIZONA_FLL1_GAIN_MASK, 0);
 	}
 
 	/*