In preparation for additional features on the FLL this patch factors out the code for enabling an FLL into a seperate function.
Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/codecs/arizona.c | 66 ++++++++++++++++++++++++-------------------- 1 files changed, 36 insertions(+), 30 deletions(-)
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 72f2f65..7ad850c 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1090,6 +1090,41 @@ static bool arizona_is_enabled_fll(struct arizona_fll *fll) return reg & ARIZONA_FLL1_ENA; }
+static void arizona_enable_fll(struct arizona_fll *fll, + struct arizona_fll_cfg *ref, + struct arizona_fll_cfg *sync) +{ + struct arizona *arizona = fll->arizona; + int ret; + + regmap_update_bits(arizona->regmap, fll->base + 5, + ARIZONA_FLL1_OUTDIV_MASK, + ref->outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); + + arizona_apply_fll(arizona, fll->base, ref, fll->ref_src); + if (fll->sync_src >= 0) + arizona_apply_fll(arizona, fll->base + 0x10, sync, + fll->sync_src); + + if (!arizona_is_enabled_fll(fll)) + pm_runtime_get(arizona->dev); + + /* Clear any pending completions */ + try_wait_for_completion(&fll->ok); + + regmap_update_bits(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); + if (fll->sync_src >= 0) + regmap_update_bits(arizona->regmap, fll->base + 0x11, + ARIZONA_FLL1_SYNC_ENA, + ARIZONA_FLL1_SYNC_ENA); + + ret = wait_for_completion_timeout(&fll->ok, + msecs_to_jiffies(250)); + if (ret == 0) + arizona_fll_warn(fll, "Timed out waiting for lock\n"); +} + static void arizona_disable_fll(struct arizona_fll *fll) { struct arizona *arizona = fll->arizona; @@ -1107,9 +1142,7 @@ static void arizona_disable_fll(struct arizona_fll *fll) int arizona_set_fll(struct arizona_fll *fll, int source, unsigned int Fref, unsigned int Fout) { - struct arizona *arizona = fll->arizona; struct arizona_fll_cfg ref, sync; - bool ena; int ret;
if (fll->fref == Fref && fll->fout == Fout) @@ -1140,35 +1173,8 @@ int arizona_set_fll(struct arizona_fll *fll, int source, fll->sync_freq = Fref; }
- ena = arizona_is_enabled_fll(fll); - if (Fout) { - regmap_update_bits(arizona->regmap, fll->base + 5, - ARIZONA_FLL1_OUTDIV_MASK, - ref.outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); - - arizona_apply_fll(arizona, fll->base, &ref, fll->ref_src); - if (fll->sync_src >= 0) - arizona_apply_fll(arizona, fll->base + 0x10, &sync, - fll->sync_src); - - if (!ena) - pm_runtime_get(arizona->dev); - - /* Clear any pending completions */ - try_wait_for_completion(&fll->ok); - - regmap_update_bits(arizona->regmap, fll->base + 1, - ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); - if (fll->sync_src >= 0) - regmap_update_bits(arizona->regmap, fll->base + 0x11, - ARIZONA_FLL1_SYNC_ENA, - ARIZONA_FLL1_SYNC_ENA); - - ret = wait_for_completion_timeout(&fll->ok, - msecs_to_jiffies(250)); - if (ret == 0) - arizona_fll_warn(fll, "Timed out waiting for lock\n"); + arizona_enable_fll(fll, &ref, &sync); } else { arizona_disable_fll(fll); }