diff options
Diffstat (limited to 'sound/soc/codecs/arizona.c')
| -rw-r--r-- | sound/soc/codecs/arizona.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 5455d0e87f0f..fae6ccf8405b 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -2209,12 +2209,15 @@ static int arizona_enable_fll(struct arizona_fll *fll) struct arizona *arizona = fll->arizona; bool use_sync = false; int already_enabled = arizona_is_enabled_fll(fll, fll->base); + int sync_enabled = arizona_is_enabled_fll(fll, fll->base + 0x10); struct arizona_fll_cfg cfg; int i; unsigned int val; if (already_enabled < 0) return already_enabled; + if (sync_enabled < 0) + return sync_enabled; if (already_enabled) { /* Facilitate smooth refclk across the transition */ @@ -2255,6 +2258,9 @@ static int arizona_enable_fll(struct arizona_fll *fll) return -EINVAL; } + if (already_enabled && !!sync_enabled != use_sync) + arizona_fll_warn(fll, "Synchroniser changed on active FLL\n"); + /* * Increase the bandwidth if we're not using a low frequency * sync source. @@ -2270,12 +2276,12 @@ static int arizona_enable_fll(struct arizona_fll *fll) if (!already_enabled) pm_runtime_get(arizona->dev); - regmap_update_bits_async(arizona->regmap, fll->base + 1, - ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); if (use_sync) regmap_update_bits_async(arizona->regmap, fll->base + 0x11, ARIZONA_FLL1_SYNC_ENA, ARIZONA_FLL1_SYNC_ENA); + regmap_update_bits_async(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); if (already_enabled) regmap_update_bits_async(arizona->regmap, fll->base + 1, |