61 lines
2.0 KiB
Diff
61 lines
2.0 KiB
Diff
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diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
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index c506c9305..41a08b320 100644
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--- a/sound/soc/codecs/rt5651.c
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+++ b/sound/soc/codecs/rt5651.c
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@@ -24,6 +24,7 @@
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include <sound/jack.h>
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+#include <linux/clk.h>
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#include "rl6231.h"
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#include "rt5651.h"
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@@ -1511,6 +1512,7 @@ static int rt5651_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
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static int rt5651_set_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level)
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{
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+ struct rt5651_priv *rt5651 = snd_soc_component_get_drvdata(component);
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switch (level) {
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case SND_SOC_BIAS_PREPARE:
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if (SND_SOC_BIAS_STANDBY == snd_soc_component_get_bias_level(component)) {
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@@ -1518,6 +1520,13 @@ static int rt5651_set_bias_level(struct snd_soc_component *component,
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snd_soc_component_update_bits(component, RT5651_D_MISC,
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0xc00, 0xc00);
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}
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+ if (!IS_ERR(rt5651->mclk)){
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+ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
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+ clk_disable_unprepare(rt5651->mclk);
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+ } else {
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+ clk_prepare_enable(rt5651->mclk);
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+ }
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+ }
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break;
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case SND_SOC_BIAS_STANDBY:
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if (SND_SOC_BIAS_OFF == snd_soc_component_get_bias_level(component)) {
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@@ -2059,6 +2068,13 @@ static int rt5651_probe(struct snd_soc_component *component)
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{
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struct rt5651_priv *rt5651 = snd_soc_component_get_drvdata(component);
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+ /* Check if MCLK provided */
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+ rt5651->mclk = devm_clk_get(component->dev, "mclk");
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+ if (PTR_ERR(rt5651->mclk) == -EPROBE_DEFER){
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+ dev_err(component->dev, "unable to get mclk\n");
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+ return -EPROBE_DEFER;
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+ }
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+
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rt5651->component = component;
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snd_soc_component_update_bits(component, RT5651_PWR_ANLG1,
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diff --git a/sound/soc/codecs/rt5651.h b/sound/soc/codecs/rt5651.h
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index 20c33a3ec..17524fa9f 100644
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--- a/sound/soc/codecs/rt5651.h
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+++ b/sound/soc/codecs/rt5651.h
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@@ -2097,6 +2097,7 @@ struct rt5651_priv {
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int dmic_en;
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bool hp_mute;
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+ struct clk *mclk;
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};
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#endif /* __RT5651_H__ */
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