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ASoC: Conditionalize the enable of WM8994 ADC TDM mode
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Future devices will not benefit from this.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
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Mark Brown committed Jul 9, 2011
1 parent 3db1bbf commit 5b73967
Showing 1 changed file with 12 additions and 4 deletions.
16 changes: 12 additions & 4 deletions sound/soc/codecs/wm8994.c
Original file line number Diff line number Diff line change
Expand Up @@ -3051,10 +3051,18 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);

/* Unconditionally enable AIF1 ADC TDM mode; it only affects
* behaviour on idle TDM clock cycles. */
snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
/* Unconditionally enable AIF1 ADC TDM mode on chips which can
* use this; it only affects behaviour on idle TDM clock
* cycles. */
switch (control->type) {
case WM8994:
case WM8958:
snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
break;
default:
break;
}

wm8994_update_class_w(codec);

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