ASoC: arizona: Set FLL to free-run before disabling

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

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

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 6f05b17d1965..fea991031be1 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,