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Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r--sound/soc/codecs/arizona.c10
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,