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

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 6f05b17d19657aebb15f5793ec3cb36b07c57422..fea991031be18a05eab28e4922b10a2e472b5ea9 100644 (file)
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1528,6 +1528,8 @@ static void arizona_enable_fll(struct arizona_fll *fll,
        /* Clear any pending completions */
        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)
@@ -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,