diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-10 17:03:46 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-10 17:17:35 +0100 |
| commit | 2b4d39fc2a80e271ac8d44fccd02277a4b63c557 (patch) | |
| tree | 9d4638752ae0466653fdec8015bde4128180b2cd /sound/soc | |
| parent | a1f34af0ec35e3131d65e0ae4cec6b048cba3e88 (diff) | |
| download | lwn-2b4d39fc2a80e271ac8d44fccd02277a4b63c557.tar.gz lwn-2b4d39fc2a80e271ac8d44fccd02277a4b63c557.zip | |
ASoC: arizona: Support variable FLL VCO multipliers
Some Arizona chips have a higher frequency for the FLL VCO, support this
in the common code.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/arizona.c | 6 | ||||
| -rw-r--r-- | sound/soc/codecs/arizona.h | 1 | ||||
| -rw-r--r-- | sound/soc/codecs/wm5102.c | 3 |
3 files changed, 7 insertions, 3 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index f3680c374347..5c9cacaf2d52 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -734,9 +734,9 @@ static int arizona_calc_fll(struct arizona_fll *fll, /* Apply the division for our remaining calculations */ Fref /= div; - /* Fvco should be 90-100MHz; don't check the upper bound */ + /* Fvco should be over the targt; don't check the upper bound */ div = 1; - while (Fout * div < 90000000) { + while (Fout * div < 90000000 * fll->vco_mult) { div++; if (div > 7) { arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", @@ -744,7 +744,7 @@ static int arizona_calc_fll(struct arizona_fll *fll, return -EINVAL; } } - target = Fout * div; + target = Fout * div / fll->vco_mult; cfg->outdiv = div; arizona_fll_dbg(fll, "Fvco=%dHz\n", target); diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h index b894b64e8f5c..59caca8865e8 100644 --- a/sound/soc/codecs/arizona.h +++ b/sound/soc/codecs/arizona.h @@ -141,6 +141,7 @@ struct arizona_fll { struct arizona *arizona; int id; unsigned int base; + unsigned int vco_mult; struct completion lock; struct completion ok; diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index 7a6a11a323ff..6537f16d383e 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -853,6 +853,9 @@ static int __devinit wm5102_probe(struct platform_device *pdev) wm5102->core.arizona = arizona; + for (i = 0; i < ARRAY_SIZE(wm5102->fll); i++) + wm5102->fll[i].vco_mult = 1; + arizona_init_fll(arizona, 1, ARIZONA_FLL1_CONTROL_1 - 1, ARIZONA_IRQ_FLL1_LOCK, ARIZONA_IRQ_FLL1_CLOCK_OK, &wm5102->fll[0]); |