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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2014-03-07 20:34:23 +0400
committerMark Brown <broonie@linaro.org>2014-03-09 12:28:07 +0400
commit5a3935c7643966e4172e7a704a48a35f9b4dc668 (patch)
tree29319d73672a3def02aeb4d7bccbc10de9779fac /sound/soc/codecs/arizona.c
parentf641aec62c948c7754429136ad176824fbb97238 (diff)
downloadlinux-5a3935c7643966e4172e7a704a48a35f9b4dc668.tar.xz
ASoC: arizona: Calculate FLL gain last
No part of the FLL calculation depends on the value determined for the gain but the gain does depend on other values. In preparation for future updates this patch moves the gain to be the last thing calculated. 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.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 1f106abf1bb0..219d1d54f536 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1455,18 +1455,6 @@ static int arizona_calc_fll(struct arizona_fll *fll,
return -EINVAL;
}
- for (i = 0; i < ARRAY_SIZE(fll_gains); i++) {
- if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) {
- cfg->gain = fll_gains[i].gain;
- break;
- }
- }
- if (i == ARRAY_SIZE(fll_gains)) {
- arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n",
- Fref);
- return -EINVAL;
- }
-
cfg->n = target / (ratio * Fref);
if (target % (ratio * Fref)) {
@@ -1490,6 +1478,18 @@ static int arizona_calc_fll(struct arizona_fll *fll,
cfg->lambda >>= 1;
}
+ for (i = 0; i < ARRAY_SIZE(fll_gains); i++) {
+ if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) {
+ cfg->gain = fll_gains[i].gain;
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(fll_gains)) {
+ arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n",
+ Fref);
+ return -EINVAL;
+ }
+
arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n",
cfg->n, cfg->theta, cfg->lambda);
arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n",