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ASoC: nau8825: fix bug in FLL parameter

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In the FLL parameter calculation, the FVCO should choose the maximum one.
The patch is to fix the bug about the wrong FVCO chosen.

Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
John Hsu 2016-09-13 11:56:03 +08:00 committed by Mark Brown
parent 29b4817d40
commit a8961cae29
1 changed files with 1 additions and 1 deletions
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2
sound/soc/codecs/nau8825.c
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@ -1912,7 +1912,7 @@ static int nau8825_calc_fll_param(unsigned int fll_in, unsigned int fs,
/* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional
* input based on FDCO, FREF and FLL ratio.
*/
fvco = div_u64(fvco << 16, fref * fll_param->ratio);
fvco = div_u64(fvco_max << 16, fref * fll_param->ratio);
fll_param->fll_int = (fvco >> 16) & 0x3FF;
fll_param->fll_frac = fvco & 0xFFFF;
return 0;