diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2014-03-07 20:34:22 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-09 12:28:06 +0400 |
| commit | f641aec62c948c7754429136ad176824fbb97238 (patch) | |
| tree | f89418a2ac43b7356bc3ccee252df880ed3d096d /sound/soc/codecs/arizona.c | |
| parent | 8ccefcd265b486186c94ea70c77511e7c570347d (diff) | |
| download | linux-f641aec62c948c7754429136ad176824fbb97238.tar.xz | |
ASoC: arizona: Calculate OUTDIV first
OUTDIV will remain unchanged whilst the rest of the FLL configuration is
calculated so do this first.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/codecs/arizona.c')
| -rw-r--r-- | sound/soc/codecs/arizona.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 7b1354ae337b..1f106abf1bb0 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1415,6 +1415,18 @@ static int arizona_calc_fll(struct arizona_fll *fll, arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, fll->fout); + /* Fvco should be over the targt; don't check the upper bound */ + div = ARIZONA_FLL_MIN_OUTDIV; + while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) { + div++; + if (div > ARIZONA_FLL_MAX_OUTDIV) + return -EINVAL; + } + target = fll->fout * div / fll->vco_mult; + cfg->outdiv = div; + + arizona_fll_dbg(fll, "Fvco=%dHz\n", target); + /* Fref must be <=13.5MHz */ div = 1; cfg->refdiv = 0; @@ -1429,18 +1441,6 @@ static int arizona_calc_fll(struct arizona_fll *fll, /* Apply the division for our remaining calculations */ Fref /= div; - /* Fvco should be over the targt; don't check the upper bound */ - div = ARIZONA_FLL_MIN_OUTDIV; - while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) { - div++; - if (div > ARIZONA_FLL_MAX_OUTDIV) - return -EINVAL; - } - target = fll->fout * div / fll->vco_mult; - cfg->outdiv = div; - - arizona_fll_dbg(fll, "Fvco=%dHz\n", target); - /* Find an appropraite FLL_FRATIO and factor it out of the target */ for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { |