ASoC: Dynamically manage CLK_SYS in WM8903
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
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@ -860,10 +860,18 @@ SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0,
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SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0,
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wm8903_cp_event, SND_SOC_DAPM_POST_PMU),
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SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0),
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SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8903_CLOCK_RATES_2, 2, 0, NULL, 0),
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};
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static const struct snd_soc_dapm_route intercon[] = {
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{ "CLK_DSP", NULL, "CLK_SYS" },
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{ "Mic Bias", NULL, "CLK_SYS" },
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{ "HPL_DCS", NULL, "CLK_SYS" },
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{ "HPR_DCS", NULL, "CLK_SYS" },
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{ "LINEOUTL_DCS", NULL, "CLK_SYS" },
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{ "LINEOUTR_DCS", NULL, "CLK_SYS" },
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{ "Left Input Mux", "IN1L", "IN1L" },
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{ "Left Input Mux", "IN2L", "IN2L" },
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{ "Left Input Mux", "IN3L", "IN3L" },
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@ -1059,10 +1067,11 @@ static int wm8903_set_bias_level(struct snd_soc_codec *codec,
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break;
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case SND_SOC_BIAS_OFF:
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snd_soc_update_bits(codec, WM8903_CLOCK_RATES_2,
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WM8903_CLK_SYS_ENA, WM8903_CLK_SYS_ENA);
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wm8903_run_sequence(codec, 32);
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reg = snd_soc_read(codec, WM8903_CLOCK_RATES_2);
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reg &= ~WM8903_CLK_SYS_ENA;
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snd_soc_write(codec, WM8903_CLOCK_RATES_2, reg);
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snd_soc_update_bits(codec, WM8903_CLOCK_RATES_2,
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WM8903_CLK_SYS_ENA, 0);
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break;
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}
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