AcoSail/kernel_optimize_test
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ASoC: wm8994: Suppress noop updates of FLL K

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Using snd_soc_write() means we always write to the register even if it
already contains the newly calculated value.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-03-03 15:33:23 +00:00
parent 2bc16ed8e0
commit b16db745b5
1 changed files with 2 additions and 1 deletions
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sound/soc/codecs/wm8994.c
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@ -1918,7 +1918,8 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
WM8994_FLL1_OUTDIV_MASK |
WM8994_FLL1_FRATIO_MASK, reg);
snd_soc_write(codec, WM8994_FLL1_CONTROL_3 + reg_offset, fll.k);
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_3 + reg_offset,
WM8994_FLL1_K_MASK, fll.k);
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_4 + reg_offset,
WM8994_FLL1_N_MASK,