diff options
Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r-- | sound/soc/codecs/arizona.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 0a417e8..a6f09bb 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1716,7 +1716,7 @@ static void arizona_apply_fll(struct arizona *arizona, unsigned int base, ARIZONA_FLL1_CTRL_UPD | cfg->n); } -static bool arizona_is_enabled_fll(struct arizona_fll *fll) +static int arizona_is_enabled_fll(struct arizona_fll *fll) { struct arizona *arizona = fll->arizona; unsigned int reg; @@ -1732,13 +1732,17 @@ static bool arizona_is_enabled_fll(struct arizona_fll *fll) return reg & ARIZONA_FLL1_ENA; } -static void arizona_enable_fll(struct arizona_fll *fll) +static int arizona_enable_fll(struct arizona_fll *fll) { struct arizona *arizona = fll->arizona; int ret; bool use_sync = false; + int already_enabled = arizona_is_enabled_fll(fll); struct arizona_fll_cfg cfg; + if (already_enabled < 0) + return already_enabled; + /* * If we have both REFCLK and SYNCCLK then enable both, * otherwise apply the SYNCCLK settings to REFCLK. @@ -1766,7 +1770,7 @@ static void arizona_enable_fll(struct arizona_fll *fll) ARIZONA_FLL1_SYNC_ENA, 0); } else { arizona_fll_err(fll, "No clocks provided\n"); - return; + return -EINVAL; } /* @@ -1781,7 +1785,7 @@ static void arizona_enable_fll(struct arizona_fll *fll) ARIZONA_FLL1_SYNC_BW, ARIZONA_FLL1_SYNC_BW); - if (!arizona_is_enabled_fll(fll)) + if (!already_enabled) pm_runtime_get(arizona->dev); /* Clear any pending completions */ @@ -1800,6 +1804,8 @@ static void arizona_enable_fll(struct arizona_fll *fll) msecs_to_jiffies(250)); if (ret == 0) arizona_fll_warn(fll, "Timed out waiting for lock\n"); + + return 0; } static void arizona_disable_fll(struct arizona_fll *fll) @@ -1821,7 +1827,7 @@ static void arizona_disable_fll(struct arizona_fll *fll) int arizona_set_fll_refclk(struct arizona_fll *fll, int source, unsigned int Fref, unsigned int Fout) { - int ret; + int ret = 0; if (fll->ref_src == source && fll->ref_freq == Fref) return 0; @@ -1836,17 +1842,17 @@ int arizona_set_fll_refclk(struct arizona_fll *fll, int source, fll->ref_freq = Fref; if (fll->fout && Fref > 0) { - arizona_enable_fll(fll); + ret = arizona_enable_fll(fll); } - return 0; + return ret; } EXPORT_SYMBOL_GPL(arizona_set_fll_refclk); int arizona_set_fll(struct arizona_fll *fll, int source, unsigned int Fref, unsigned int Fout) { - int ret; + int ret = 0; if (fll->sync_src == source && fll->sync_freq == Fref && fll->fout == Fout) @@ -1869,11 +1875,11 @@ int arizona_set_fll(struct arizona_fll *fll, int source, fll->fout = Fout; if (Fout) - arizona_enable_fll(fll); + ret = arizona_enable_fll(fll); else arizona_disable_fll(fll); - return 0; + return ret; } EXPORT_SYMBOL_GPL(arizona_set_fll); |