[PATCH v2 1/1] ASoC: arizona: Set FLL to free-run before disabling

From: Richard Fitzgerald
Date: Wed Nov 20 2013 - 09:37:36 EST


The FLL must be placed into free-run mode before disabling
to allow it to entirely shut down.

Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
sound/soc/codecs/arizona.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 6f05b17..fea9910 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1529,6 +1529,8 @@ static void arizona_enable_fll(struct arizona_fll *fll,
try_wait_for_completion(&fll->ok);

regmap_update_bits(arizona->regmap, fll->base + 1,
+ ARIZONA_FLL1_FREERUN, 0);
+ regmap_update_bits(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
if (use_sync)
regmap_update_bits(arizona->regmap, fll->base + 0x11,
@@ -1546,6 +1548,8 @@ static void arizona_disable_fll(struct arizona_fll *fll)
struct arizona *arizona = fll->arizona;
bool change;

+ regmap_update_bits(arizona->regmap, fll->base + 1,
+ ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
regmap_update_bits_check(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_ENA, 0, &change);
regmap_update_bits(arizona->regmap, fll->base + 0x11,
--
1.7.2.5


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