ASoC: Set full range of WM8994 FLL Fratio values

Use all the available Fratio values when configuring the WM8994 FLL, not
just 0 and 3, following more complete characterisation of the device
performance.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2010-04-20 13:36:11 +09:00
parent 136ff2a272
commit 7d48a6acbc

View file

@ -2784,9 +2784,18 @@ static int wm8994_get_fll_config(struct fll_div *fll,
if (freq_in > 1000000) {
fll->fll_fratio = 0;
} else {
} else if (freq_in > 256000) {
fll->fll_fratio = 1;
freq_in *= 2;
} else if (freq_in > 128000) {
fll->fll_fratio = 2;
freq_in *= 4;
} else if (freq_in > 64000) {
fll->fll_fratio = 3;
freq_in *= 8;
} else {
fll->fll_fratio = 4;
freq_in *= 16;
}
pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);